Jack3d: Jacked Info from USP Labs
Jack3d from USPLabs
The ULTIMATE Pre-Workout Energy and Focus Drink
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Jack3d Side Effects

Is Jack3d Safe?

Disclaimer: The creators of Jack3d.org take no responsibility for the statements and links on this page. Consult your doctor before using any supplements. These statements have not been approved by the FDA. 

Update – March 15, 2012 – Over the years, this page has received over 700,000 people looking up this information. I kid you not. It was written to discuss each individual ingredient, which is well and good, and was dead-on accurate.But there’s even more information now:

Since publishing this page, USPLabs has had several safety research studies shown on JACK3D ITSELF, which is better than focusing on all of the parts, as we do below.

If you’re interested in reading about this, head on over to our Is Jack3d Safe? for an up-to-date look at the product *as a whole*.


Jack3d has minimal known side effects, but to truly assess the potential side effects, let’s take a look at each ingredient separately (in case you need it, here’s a detailed writeup: Jack3d Ingredients).

Jack3d Active Ingredients:
Arginine Alpha-Ketoglutarate, Creatine Monohydrate, Beta Alanine (Carnosyn®), Caffeine, 1,3-Dimethylamylamine HCl, Schisandra Chinensis (Berry) Extract (Standardized for Schizandrol A)

  • Arginine Alpha-Ketoglutarate (AAKG) Side EffectsThere are very little side effects when using AAKG, and the studies linked above show that human subjects were fine, even when using much more AAKG than is in a serving of Jack3d. If you are diabetic, beware that you may have some gastrointestinal issues.

    This means that if you want an even more explosive pump for a heavy day, you can add some raw AAKG powder (it’s relatively inexpensive)… maybe another 2-3g to top off.

  • Creatine Side EffectsCreatine has no documented side effects.

    It has been used and studied for decades, and anyone that tells you differently has not read the countless studies on it. Do NOT worry about the creatine in Jack3d, it will only help you, and is also another ingredient that you can add another 2-3g more (after your workout, in the case of creatine).

    So let’s repeat that one more time:
    Creatine has no documented side effects.

  • Beta Alanine Side EffectsBeta alanine… now this is a fun one. The biggest side effect of beta alanine are the “tingles”, a pin-prickly, flushing feeling you might get on your skin after using it. Some people love it, some people dislike it, and some people don’t feel it at all.

    If you feel the tingles when taking Jack3d, it’s from the beta alanine. The good news is that studies showed blood to be healthy and there were no signs of toxicity after four weeks of continued use.

    This means that the beta alanine in Jack3d is safe, but may annoy (or please) you. It will not harm you. From personal experience, we find that it takes over 5g of beta alanine to feel the tingles, and Jack3d never gives us any tingles unless we add more beta alanine.

  • Caffeine Side Effects 

    Caffeine is safe for healthy people when used properly. Studies show that the typical person can safely handle 400mg of caffeine per day, so if you’re using 2 or 3 scoops of Jack3d, you’re probably not going to want to add much more caffeine to your day.As you’re probably aware, using too much caffeine, such as more than 300mg, can lead restlessness, nervousness, excitement, insomnia, flushing of the face, increased urination, gastrointestinal disturbance, muscle twitching, a rambling flow of thought and speech, irritability, and irregular or rapid heart beat. This is why we don’t EVER believe in using more than three scoops of Jack3d at a time.

    Caffeine is also addictive. If you use it every day, you may be addicted, and when you stop to cycle off, you may get headaches and slight nausea for a few days. So try not to use Jack3d every day (you shouldn’t be working out every day anyway), and give the caffeine a week-long rest periodically.

    If you’re obese or have mental disorders, you should stay away from large doses of caffeine, and thus, probably shouldn’t be using Jack3d until your diet is worked out. Contact us if you need help with that.

  • 1,3 Dimethylamylamine Side Effects 

    Before we begin, we want to send you over to the Is Jack3d Safe?page, which focuses on the DMAA content in Jack3d.The conclusion? After measuring resting blood pressure and heart rate, and blood samples were taken for a complete blood count, metabolic panel, and lipid panel…. the survey shows…. THIS IS A COMPLETELY SAFE PRODUCT, and 1,3 is a safe and well-tolerated, mild stimulant when taken per the instructions!

    As with almost anything in this world, and just like the caffeine, it’s fine in correct doses and can cause some side effects if too much is consumed – such as headache, lightheadedness, and “snappy” mood.

    The worst thing that ever happened with 1,3-Dimethylamylamine HCl / DMAA was when a New Zealand partier suffered a stroke after taking an undisclosed amount. While we take this seriously, we should also note that this guy was not your most healthy individual and probably snorted it with various other drugs (1,3 is mixed into a lot of “party pills”, which we shouldn’t need to tell you not to take) and drank a bottle of booze to go along with it.

    So in the end, don’t add any extra DMAA to your Jack3d, don’t snort it, and keep your Jack3d life separate from your party life.

    Millions upon millions of doses show Jack3d to be safe. Use common sense.

  • Schizandrol A Side Effects 

    Schizandrol A has not only been shown to outperform amphetamine in cognitive tasks involving focus, but it has also been shown to greatly increase the capacity of muscles to perform work,while also increasing physical force. In essence, it is able to provide a stimulating effect to the body and mind.Last, but certainly not least; unlike various stimulants which can increase catabolic hormone levels (i.e. glucocorticoids), this compound has been shown to lower levels of “bad” hormones like cortisol in animal models.

So in the end, Jack3d has minimal side effects. The biggest irritation you may get from Jack3d are the beta alanine tingles, and those are not dangerous.

Because of the caffeine content, we will never recommend more than 3 scoops of Jack3d, and most beginners should start with half a scoop and only increase by a half scoop at a time.

See, that’s not so bad! Now go read and post Jack3d Reviews or Buy Jack3d!

Again, check out Is Jack3d Safe? for a study on the entire product as a whole

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160 Comments at “Jack3d Side Effects”

  1. javier says:

    Hola, quisiera saber si jack3d me va a servir para un triatlon de larga distancio, Ironman.

  2. mike says:

    Dear sir/madam,
    I am 46 year old men,Having half scoop Jack3D early morning at 4.30AM before my worck out, if ther is any problem for tht having with empty stomach?

    Pls replay me on my email id.

    • Admin says:

      Hi Mike,

      We’ll hit you up on e-mail, but just so everyone sees – it’s great to take on an empty stomach. I do this all the time. Note that it will “kick in” faster since there is no food to slow absorption.

      We are huge fans of working out on empty stomachs – this is known as the “fasted training protocol” – but you should take Modern BCAA during your workouts so that your muscles don’t get broken down / catabolized.


  3. Josh says:

    I weight 248lbs and I’m 5’10 and an 18yr old male I’m a little husky. should I start taking jack3d??

    • Admin says:

      It would be best to speak to a doctor who knows his stuff before beginning any supplementation program. At your point, I would urge you to get your diet in line first. Marc Lobliner’s free book at is a great place to start. Clearly there is a diet problem and you can’t have any supplements “mask” that. Feel free to post your daily diet and we can help critique.

  4. julio says:

    I have a question , I’ve been taking Jack is great .!
    Although I left it to try nitroflex I believe that’s the name , well i started getting red dots all over my body :/ now I stop using that knew and went back to jack .

    Is it bad if you take jack for a long time or do you.have to go off for a month for a healthier life ?

    • Admin says:

      Yes, you should Cycle Jack3d to occasionally reset your adrenals. Nitro Flex from John Scott? That’s in a completely different class of supplements, as it’s for joint health. If your joints hurt, USPLabs has an incredible product called Super Cissus RX.

  5. Elise says:

    i’m a 24 yr old female, 125 pounds, 5’2 tall. I havent noticed any females commenting on this thread, it’s safe ofr women too i assume. Should i alter the doesage at all? I usually take 1 scoop before my workout but notice i am very sensitive to the caffeine…often wide awake hours after my workout.

    • Admin says:

      Yes – We always recommend women start with half a scoop due to size and metabolism. This is less caffeine than a cup of coffee, but the other two stimulants will help “smooth it out”. This is safe for women, but see your doctor’s attention if mixing this with any prescription drugs – which includes birth control.

  6. Ruan says:

    How long does Jack stay in your sistem?? Because I’m afraid when they are testing us for steroids I’m afraid they wil test me positive??

    • Admin says:

      There are absolutely no steroids in Jack3d. If you are being tested for DMAA, however, you must cycle off.

      It all depends on your dosage and metabolism, so the question cannot be truthfully answered since we’re all different. Stimulants typically get through the body very quickly, I’ve seen 3-4 days with plenty of water mentioned as a good way to flush them out, but this cannot be verified so play it as safe as possible.

      But again, this is not a steroid whatsoever. Stimulant yes, steroid.. no.

  7. ryanrostron says:

    Can jacked3d cause appetite suppresion?

    • Admin says:

      Yes, the caffeine and 1,3 Dimethyl have been known to do this. This is why OxyELITE Pro is such an incredible fat burner. If you’re bulking, just get on a regular eating schedule and work out harder and you’ll be plenty hungry.

  8. andrew says:

    Hello Admin, I am a 25 years old male. I am diabetic since 4-5 years. Can i take Jack3d pre workout?

    • Admin says:

      Sorry, but you must speak to a doctor before mixing any supplements with prescription medication. It should not be taken with any medical conditions without a doctor’s approval.

      Also, some of the custom diet plans made the author here have gotten diabetic patients off of their insulin through PROPER diet and training.

  9. alex says:

    i am takin medicine for high colestherol, can i take jack 3d?

    • Admin says:

      Sorry, but you must speak to a doctor before mixing any supplements with any prescription medication. It should not be taken if you have any medical conditions without a doctor’s approval. I would also advise this free diet e-book to get you on a real food diet with the proper fats, which can help with medical conditions such as yours.

  10. Abid says:

    I am doing my workout in the evening say around 7pm and taking jack3d 30min before workout. I go to bed at 11pm I feel sleepless. So shall I take jack3d in morning and do my workout in evening kindly advise me

    • Admin says:

      That would make no sense, as Jack3d is supposed to be taken before your workout. The problem is that you are working out too late to be taking a stimulant-based product. Instead, I’d recommend Yok3d, which will give you great pumps, but none of the stimulants. And maybe a very small dosage of Jack3d (like half a scoop, or whatever allows you to sleep) to go along with that.

  11. salman says:

    I want to use jack3d.i am already doing bodybuilding from 5 years and just 30 years so is it good for me to use Jack3d? and what is the procedure to use Jack3d??? how many days i can consecutive use it???Also i have question is it compulsory to use one kind of whey protein along with Jack3d,if yes so kindly prefer it to me?
    Note i am doing 1 hour bodybuilding daily.

    • Admin says:

      Take it 15-45 minutes before your workout (it works faster if on an empty stomach), start with 1 scoop but you can adjust to use more in later workouts. You will need to see what works best for you.

      You should use it a max of 5 times per week, and after 8 weeks, you should cycle off of ALL stimulants for 2-4 weeks, and then get back on.

      Whey protein is great to take immediately post workout. We are fans of MTS Machine Whey, but nearly any kind that you enjoy and does not give you cramps will do. Thanks and good luck!!

      • salman says:

        Hi Admin,

        many thanks for your kind co-operate.
        can i use Jack3d without any whey protein????

  12. The beast says:

    Can I use supercuts3 with jack3d

    • Admin says:

      This should be fine, as it’s relatively stimulant free. You might want to check out Recreate by USPLabs though – same idea but better ratings in all of the stores. It’s mentioned on our stack page.

  13. shaun says:


    Can Jack3d be used as a fat stripper also?

    I’m 21 and not in bad shape but could do with dropping a few pounds, can Jack3d help with this?


  14. Jon says:

    Hi, I have been dieting and working out daily and taking whey after my workouts. Will jack3d help me cut weight and put on muscle, or just build muscle>

    • Jon says:

      As well help burn fat.

    • Admin says:

      Yes, it’s helped several people as the ingredients are thermogenic and assist with fat burn – but proper diet and nutrient timing are far more important. Feel free to contact us with your exact diet plan or post to the USP forums.

      If you’re only interested in fat burn, you’d probably be better off checking out OxyELITE Pro, USPLabs’ fat burner that has many of the same ingredients, but a few more for fat burn.

  15. Noah Roop says:

    I have a couple of questions. Is jack3d a steriod?
    How dangerous is it? How effective is it?

    • Admin says:

      No, it is not a steroid. It is not even close to a steroid and has nothing even close to anything that resembles any substance that could possibly be considered an ‘anabolic’. It is legally sold over the counter. The side effects are discussed on this page, and it’s effective as hell, as demonstrated by the hundreds of reviews that have kept it around 9.0+ after 2 years. But that all depends on what you want it to be “effective” for.

  16. NCorvelli says:

    Hey I know this might be a stupid question as ive read the threads but just to clarify after i finish my first container of jack3d cycle off for exactly how long until im able to get back into it? thanks! its an amazing product. im a diabetic and i was given the ok with it. but surprisingly my blood sugars have gotten much better since starting my cycle =]. thanks again for your time!

  17. matt says:

    im 13 150lbs 5’11 been thinking about adding a preworkout supplement. Is it safe for me to take and will it help me build faster

    • Admin says:

      Sorry, this is for users 18 and older only. At your age, diet is far more important. See for a free plan that will really help. High quality fats, including the better sources of saturated fat will do wonders for your soon-to-be exploding testosterone levels.

  18. Stephen says:

    This might sound terrible but I’m trying Jack3d for the first time and am going to take 30 mins before workout. I normally start a workout with 20 mins of cardio after which I’d consume a scoop of N.O Xplode.

    Is it okay to mix 2 pre-workout ‘loaders’ like this. I’m also using testosterone boosters.

    • Admin says:

      No – According to the label, you should not mix with any other stimulants.

      If you need this much caffeine to get going before your workout, it might be time that you took a month off of all stimulants. Your adrenal glands need a rest. See Should I Cycle Jack3d? for some tips.

      • Stephen says:

        Good idea. I was thinking more of sustained energy. I just took Jack3d 10 minutes ago and a couple of testosterone pills just now. I’ll be doing 20 minutes cardio in about 15 minutes time when I get to the gym.

        During the cardio I plan to sip on some N.O Xplode and sip on it during my workout until I run out then move on to water.

        I’m 33 years old. Do you think this is a good or bad idea? :)

  19. Courtney says:

    I am a 33 year old female and take Jack 3D 3 days a week before my workout. I just received my order of OxyElitePro and was wondering if I can take this together or if I should only be taking one or the other. Thank you for your response.

  20. Mike says:

    Dear admin, Ive been taking jack3d for about a year great product if you cycle right, Im going to start taking yok3d. I hear if you break the pills and mix it with your jack3d taking 35min before your workout it works great. Any comments? Also what about longterm use any problem? i appreciate a email thanks!

    • Admin says:

      That may work for some people, but Yok3d definitely takes a bit longer to kick in – if you do this, it MIGHT not give you those extra pumps until the end of the workout. For me, I need to take Yok3d around 75 minutes pre workout, depending on the empty stomach.

      Test it out. But yes, you can always open the capsules and mix them with other drinks if you don’t like swallowing pills. All good in that respect!

  21. dalton says:

    I’m getting ready start jack3d tmrw…. how long will it be til I start seeing results… I’m building muscle slot of people tell me it will make me big… but I used c4 cellular I don’t anymore… how is jack3d will increase everything an make me bulk up quick?

    • Admin says:

      Jack3d gives you better workouts. Your diet is what makes you big.

      You should focus on your diet and not the supplements, as there’s only a couple things like creatine that will really build muscles in Jack3d. Here’s a link to our favorite diet plan (free).

  22. Kristin says:

    Hi Admin, I recently heard of Jack3d from a friend who has been bodybuilding for about 2 years. I want to start working out but my body gets tired so easily that my workouts just don’t last that long…So, I was wondering, is this product safe to use for first timers in the workout scene? I’m 24 years old, female, and 5’1. Thanks for your time!

    • Admin says:

      Yes, start with half a scoop and evaluate from there. If you’re new to working out, it’s fine to not last too long. Just see if you can slowly extend the workouts. One idea is to do intervals of very low intensity and then bursts of higher intensity. Over time, you can track your improvements in the length of the higher intensity “intervals”. This will happen with or without Jack3d, but a dash of Jack3d can’t hurt if you are cleared for stimulant/supplement use by doctors.

      But your lethargy could be symptomatic of something else – possibly diet. You can feel free to post exactly what you’re doing here, but one cool trick is to have MCT Oil in your pre workout meal / shake. This is discussed in the Fat Loss Factor book we mention in this thread many times. That’s just one piece of a huge puzzle, but either way, it’s worth looking at the entire diet if not seeing

  23. James says:

    I am a 19 year old male I am 5’11” and I weigh 195 pounds I am starting to get pretty fat and I have been starting by eating less and workking on a lot of cardio, but I want to start lifting should I start jack at the same time?

    • Admin says:

      For sure. High intensity interval training and weightlifting is paramount to burning fat. Low intensity steady state cardio is one piece of the puzzle, but if you’re not going after muscle growth, it’s too easy to simply “replace” the calories you’ve “burnt”.

      Weightlifting gives you the hormonal, anabolic responses you need to keep the fat coming off long after the workout is done – and Jack3d gives better workouts as well as provides thermogenic fat burning support.

      Note that when you start lifting, you might actually gain or maintain your weight in terms of pounds. This is fine as long as your bodyfat is dropping – building muscle mass can sometimes make you weigh more, but as long as you’re feeling and looking better, it’s all good. Weight is only one of many variables.

  24. Franco says:

    Hey admin, thanks for the replies it’s nice to know that if u have a question u can just ask.

    My question is: While using one scoop of Jack3d pre-workout can I for instance use USN’s Muscle Fuel STS or a Whey Protein imediatly after my workout? Aren’t to many substances bad for your liver and kidney’s? Or is it not that much?


    I assume Jack3d increases heart rate because of the caffeine, can Jack3d be harmful to your heart because of this?

    • Admin says:

      Good questions Franco.

      First off, Jack3d pre-workout and protein post-workout is the IDEAL situation. This will take you from going from a broken down, catabolic state to an anabolic, repairing state immediately post workout – a great thing to have. The shake should be within 20 minutes post-workout, and can include dextrose if you’re trying to bulk up quickly and spike your insulin.

      30-60 minutes after that shake, you should have a real meal with healthy carbs (like oats, yams, sweet potatoes, or brown rice), green veggies, natural protein (chicken, turkey, lean beef), and healthy fats (avocado, coconut oil, fat from grass-fed beef).

      Regarding kidney / liver problems, that’s what I consider an “old wives tale” – studies don’t back it. Just drink plenty of water. Here’s a link: Whey Protein Side Effects — see the study that shows kidney function in normal range.

      Regarding Jack3d’s safety, we recommend everyone read the newer studies linked here: http://www.jack3d.org/is-jack3d-safe. The safety studies on healthy males have ALL turned out perfectly fine.


  25. Teresa says:

    I bought jack3d recently and it worked so good that I thought I better ask if this could give me a dirty UA. Because of what I do for a living I am required by ODOT to receive random drug tests and would not want to jeopardize my job. But I dont want to stop using a product that actually works if I dont have to

    • Admin says:

      Speak with your drug testing management / organization / governing body. Everything in Jack3d is legal and over the counter in the US, but you should clear anything you take with them to be sure.

  26. ihmany says:

    me and my brother have been working out for 2 months now.. saturday to thursday and friday we rest.. can we take jack3d everyday? any advice on how to take it if we workout for 6 days in a week? thank you very much..

    • Admin says:

      The label states to take it 5 days a week, but you’re okay with 6 – just note that your tolerance might build up quicker than most people, and you’ll want to cycle off eventually according to our Cycle Jack3d doc.

  27. Wannarun says:

    Can this be used before a run rather than weight lifting and still be effective as a fat burner and energy boost?

    • Admin says:

      Yes and Yes!! Tons of our reviewers on this site are actually using it for cardio energy. The 1,3 Dimethylamylamine HCl is so amazing for lung capacity and endurance — and we all know that beta alanine is great for endurance too. The lack of “filler” junk also makes it ideal for not bloating you when you’re trying to do cardio.

      I swim with Jack3d all the time… it really helps lung capacity for me. Give it a shot, standard dosing 30 mins before your run and start to adjust as you see fit.

  28. Ashley says:

    I am a marathon runner and to fit in my strength/weight workouts I am going to train early morning, fasted. I know Jack3d works better on an empty stomach but should I take a BCAA powder mixed in with it or some capsules? Just wondering if the amino acids affect the jack3d ingredients from working properly?

    • Admin says:

      For any endurance sport, mixing BCAA powder in with Jack3d is a VERY smart idea – it will prevent muscle breakdown as well as increase endurance (both proven in research studies).

      Modern BCAA is the USPLabs product of choice – you can add the unflavored version to your Jack3d, but unflavored BCAAs typically don’t taste too good and it will “bring down the average” of your taste. So I’d go with a flavored one, at least 1 scoop pre workout and 2 scoops during workout if you can carry it with you somehow.

      No adverse reactions when mixing them at all. I do it all of the time.

  29. Mike says:

    I have a question concerning jacked 3d? I love this product my bench has gone up from 135 to 195 in aabout 3 months, and i have gained 10 lbs of lean muscle. and iv been using it now for a while, almost finish my 2nd bottle. I take the recommended 1.5 scoops pre workout days only. Last week when i was lifting heavy weight, cuz my goal is to gain weight and lean muscle. I pop a blood vessel in my head, i went to merge and got a ct scan and doctor said there was no blood or brain aneriasm, no blocking, nothing bad. just he said to rest for a few days, it was my last rep and i kinda didnt breather properly like i should of. I over exert myself by straining cuz i wanted so bad to get that last rep in. Some people say it could be cuz of jacked cuz it pumps you up and ur veins stick out. What do u think and should i stop using it? give me your feedback please.

    • Admin says:

      You’ll need to speak with your doctor about that. The AAKG acts as a vasodilator, increasing your vascularity, as you mentioned. However, the stimulants do the opposite a little bit since they act as vasoconstrictors.

      The bigger issue is that you’ve gone through two tubs in a row and it sounds like you’re ready to cycle off for four weeks, as recommended by USPLabs. This could be the most important factor at play – as well as overtraining and improper breathing. It sounds like it’s time for a cycle off.

      • Mike says:

        So ya i went to see te dr. and he said it cause of a SINUS infection which is causing the brutal pain in my head. Kinda weird tho how my face dont hurt and my eyes r fine, anyways so i guess he said the pressure goes to ur head which can cause the pain from lifting heavy weights. SO i will continue to use jacked 3d but im off for 10 days he said, but this time i will cycle off for 4 weeks, atleast i know what the problem was.

  30. Jamell says:

    I’m currently doing 1hr cardio workouts mon-fri and rest on the weekends. Also I’ve been taking jack3d around 40-45 min before my workouts daily. Just wanted to know if it was safe to take it that way mon-fri?

    • Admin says:

      Yep – Several people keep asking about cardio workouts and Jack3d, and the answer is YES – it’s great for cardio, but please follow the proper cycling and dosage rules the same as weightlifters should follow, as specified on the label.

  31. Jake Enricks says:

    Can i take jack3d even if I’m only 17 years of age?

  32. Arlifornia says:

    I’m a female using Jack for 2 months 30 minutes before my workout. I feel stronger, lasting endurance, sweat faster, intense focus and decreases my appetite. I like the watermelon flavor. Only a scoop cures me from moving in slow motion. And it doesn’t stain your teeth like coffee and tea. :))

  33. JA says:

    Is jacked safe to take with oxyelite pro?

  34. Matt says:

    I am a 14 year old male. Is it safe to take a half a scoop of jack3d before a workout?

    Please answer back.

    • Admin says:

      Sorry, but this is intended for users 18 and older only. At your age, you should focus on diet, and have tons of energy. The diet plan posted on this discussion should do incredible for you!

  35. Dsmitty says:

    I’m in high school and couple of friends took jacked.Over a period of time they all had terrific gains.Me on the other hand i wasn’t because my diet alone helped me.Football season came around and i suffered a high ankle sprain and was out for three months never being able to play again.So during that time i lost a majority of leg strength and back strength and went through physical therapy.I was a starting right guard at 6’1 280lbs and my doctor told me to lose weight due to my knee pain which has subsided.So i was curious would jack help me lose weight and gain lean mass because i plan on losing about 30lbs and joining the military.

    • Admin says:

      Sorry to hear about your injuries.

      Yes, Jack3d is a thermogenic, so it definitely helps people burn fat and lose weight, assuming clean/proper diet and workout.

      But for this purpose, you might be more interested in OxyELITE Pro – OxyELITE-Pro.com – it’s even better for the main goal of fat burning, due to a few other ingredients it has that Jack3d doesn’t!

  36. MR. Alcala says:

    Hi Admin, Im taking the JACK3D (MON,TUE,THURS,FRI) before workout..but is OK or safe to go to party every saturday and drink beer?? sorry to say but it’s my routine weekly… it’s possible to affect my internal organs?? give me some advice.. THANK YOU..

    • Admin says:

      Hi – This is a question that many think about but few ask. Obviously, alcohol will limit your potential since it’s catabolic, raises estrogen, gives you a bad workout the next day, is just a downright nasty carbohydrate typically had late at night, etc etc etc.

      But if you’re 24 hours out from your Jack3d dosage, I don’t see them interfering – the stimulants aren’t in you that long. I would NOT mix this on the same day as you are using alcohol though.

      Tread carefully…

      • MR. Alcala says:

        Thank you very much for the good advice.. on the other hand,I’m using jack3d before workout,it’s alright to use muscletech nitro tech (hardcore) after workout?? .. i’m worry because both supplements contain creatine.. pls help me..thank you again..

  37. Brandon Fuqua says:

    Hey Admin,

    I plan on taking Jack3d and then taking Amplified Creatine XXX as a post workout.
    I read that you said taking Whey Protein with Jack is good but I was just wondering if taking the Creatine afterward would be ok?

    • Admin says:

      Whey Protein “with” Jack3d? We never really mix the two. Take they whey post workout with your extra creatine – and yes that’s good!

  38. colton says:

    I am a 195 pound 15 year old football player and I am strong as it is but am hoping to get toned should I take jak3d

  39. bob says:

    I’ve just started to take Jack 3d I use it only for running, the first time I took it I felt the the boost or should I say my breathing was in a good state helping me to run. The second time I took it again for running I’ve never felt so worse in running in my life I felt dizzy and just simply did not want to run. On the 2nd time I started to run around 30 mins after taking supplement. Question should the waiting of taking jack be longer for cardio. Last point since taking the supplement my urine colour has turned bright yellow whats going on here please explain.

    • Admin says:

      30-45 minutes prior is the way to go. I’d mix it with some Modern BCAA for your purposes – BCAAs are great for endurance and fight muscle fatigue / depletion during cardio.

      It sounds like you were dehydrated – if your urine is bright yellow, you don’t have enough water. You don’t need clear pee, but it should not be bright. Especially since there is no Vitamin B (or similar) in the product to do this. Start with a lower dosage too, that might help. Not sure how much you took.

  40. kiran kumar says:

    hie admins m frm mumbai ,and m goin start the new jack 3d ,does it contain any side effect in it and what are precaution…..

  41. Ryan says:

    I am new to taking Jack3d and I love the product. My question is people are saying the FDA is going to pull Jack3d is this truth or just some bull floating around on the internet.

    • Admin says:

      It’s still up in the air. It is not currently off the market, although some stores have pulled it from the shelves. The FDA is still deciding what to do with DMAA.

      Right now, the FDA is forcing USPLabs to justify that it is safe – which they have done so with 7 studies.

      USPLabs has also used third party labs to prove that DMAA can truly be extracted from geranium stem and oil, and not just chemically synthesized, which was another concern of the FDA.

      We’re not sure what will happen next though.

  42. Jan says:

    Can I take it for fottbal is it good for 90 mints running n focusing?
    And I’m taking it ones a week is ok??
    Thanx again

    • Admin says:

      Yes, sprints and high-intensity interval training is epic on Jack3d. You’ll feel MUCH better. Start with a scoop 30 minutes prior to sprints and move up or down accordingly.

  43. John says:

    Ive used similar products to Jack3d before and I must say this is one of the best ive ever taken so thank you for the amazing product. I cycled off about 4 weeks ago and I took the suggested dose and today during my cardio session I had this crazy feeling like my carotid artery was going to pop out of my ear I know sounds weird and i should probably ask a doctor about this but does the vascular effect Jack3d causes have the potential to cause this if your a little on the dehydrated side? Im in ok shape have a few extra pounds im 5’9 and weigh 165 body fat is around 14% give or take and im 27.

    • Admin says:

      If that happens, I’d discontinue use. You don’t need to return with as large of a dosage – you can start lower once you’re back. So it could be that you got a bit panicked from taking too much.

  44. Luke says:

    Want to know the chances of popping on the military drug test. Rumors that you can pop for Meth are out there. And if not why is this banned by the military?

  45. Robert says:

    Hi, i just wanna know if im not doing a cycle off, is it dangerous? what happen?

    i only use jack3d 2-3 times, one scoop

    • Admin says:

      2-3 times per week? I’d say that’s fine, given that you don’t take any stimulants on the other days. When heavy stims are taken 5-6 days per week (in any form). 1 scoop, 2-3 times per week is likely not to need to be cycled unless you start building up a tolerance. Your mileage will vary.

  46. Ryan says:

    Im 17 years old 6.2 and 170 pounds. I’m fit I exercise regularly and lift weights. I find it hard to swallow jack3-d any help or substitutes?

    • Admin says:

      Sorry, but Jack3d is for users 18 and up.

      Most people find an appropriate water, ice, flavor, and powder combination to make it good for them.

  47. chris says:

    I used jack3d for the first time today. I had two scoops and i felt really ill and had to cut my session short.

    I had a 10 minute run and then went into do my shoulders and triceps. After 3 x 15 reps i felt sick..!!!

    I have been dizzy most of the day and had to lay down.

    Not the drug for me, i won’t be using it again

    • Admin says:

      Sorry about the experience, but 2 scoops is WAY too much for a first timer. We recommend starting at a half scoop and assessing from there. You put yourself on stimulant overload, which isn’t good. We all react differently, and that’s why it’s wise to start slowly. We suggest this all over the site. Hope you’ll give it another go.

  48. Greg says:

    I am 21 year old male an weigh 173, I start my workout at 3pm after work, I am trying to build mass what do you recommend me to take with jack 3d?

    • Admin says:

      Check out the free diet book that pops up when you enter the site, as well as some of the stuff from the bulking section of the Jack3d Stack page. It’s really all about food, which is why I love the free e-book – it’s based on real, whole foods and lots of veggies for nutrient support.

  49. husss says:

    im a 23 yr old and 103kgs who uses jack3d 3 times a week (mon,wed,fri). i take 3 scoops on each of those days, i get insane pumps and feel real energetic when i lift weights which is what i want, however when i finish working out and start to calm down i feel a little bit worried, angry and depressed, should i reduce scoops or even discontinue? what do you reccomend i should do?

    • Admin says:

      3 scoops is the max dosage, and can be a lot even for someone your size. I would go lower. You are experiencing a type of crash from the stimulants. I’d also focus on making sure your post-workout meals are full of everything you need, including natural omega 3 fatty acids and starchy carbs from sweet potatoes / yams.

  50. Alex says:

    I’m 21 years old ,I work out 6 days a weak , I baught Jack 3d and i took it today for the first time … can i take it 6 days in a week ?? or what can I do ?

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