5 Side Effects of Jack3d Formula. . It was an insane pre-workout that was commonplace before football games, max-out day, and even when taking the ACT or SAT. AbbreviationsEast723 • 6 days ago. When the concerns about DMAA came up, I read up, decided for myself that there was an acceptably low amount of risk and continued happily on my way. Everywhere I looked, seeking a supplement I could rely on, I only found despair, disappointment, and malcontent. Apr 4, 2010. 16-year-old Taylor. But, what it lacks for here, it makes up for in other extracts and ingredients. Jack3d™ gives users much more than expected in terms of energy, focus and powerful muscle pumps. eljobber. Business, Economics, and Finance. So I went to GNC and the sales rep there was like "yo bro i got some stuff that will make u go amped in the gym its called C4" so im like alright let me look at the ingredients and this stuff was just full of vitamin b12 and caffeine. This supplement is the perfect balance of effectiveness and value. 49 with Subscribe & Save discount. I used to love the old formula of Jack3d, and nothing new seems to come close. Seemed to be a good balance of stim and pump. Supplement ForumsJust bought a five serving pack of 1. This is a roundabout number. hallo there! last months i was a huge fan of jack3d but im among the thousand of fans that was really dissapointed with the new version, i take 3 scoops and i feel placebo! :S :( i ordered a lversion from sp250 to give it a try but i m among a couple of other pre workouts to choose! so i wud appreciate to hear ur opinion, some of which i m. About BEC and BGC units A Brief History The BEC classification system was developed by V. And I never said DMAA is an amphetamine. by USP Labs. 300+ bought in past month. Cellucor c4 - Has a similar profile to the old Jack3d and is a popular Pre workout supp now. Filled with 45 servings OldJack will help push you to your limits and then push a little further during your most rigorous training sessions. Powder 30 Servings (Pack of 1) 6,354. Not as intense as the old Jack3d, but still pretty good. Join Date: Nov 2011 Location: United Kingdom (Great Britain) Age: 31 Posts: 1,237 Rep Power: 244Ordered creatine and 3 jack3d ( old… Ordered creatine and 3 jack3d ( old formule ) test it, its real and hard :) communication is good and products are real. To boil things. SE. Natty Contest question. While this has only ever been linked to other deaths anecdotally, the whole product, as well as other products containing DMAA, were recalled. Source: Good friend is Vice President of USPlabs (makers of jack3d). Please Scroll Down to See Forums Below . the old Jack3d had great reviews thats why im interested in MGN's Massive Growth, but if this is dangerous i dont want to play with my health 02-20-2010, 12:24 PM #5. Click to find the best Results for antique jack Models for your 3D Printer. Coming from a Drug Addict: Jack3d is the Strongest PWO Supplement IMOCaffeine adds to maximal strength, but once you're acclimated to it instead of it making you stronger you're pretty much stuck just taking it to maintain baseline or you'll end up going through withdrawal and your strength will plummet-the effective and maximum recommended dose are so close, and dependency gained so quickly that it's not really. But note how it is labeled 1,3-Dimethylamylamine and not Methylhexaneamine? In all fairness, their new Jack 3D Micro does hot have this ingredient. Has anyone used the pre workout Hydrazine? Im seeing amazing reviews and that is like the old Jack3d & Craze but it costs £68 which is putting me off abit. Bad thing is, the market for the product is exactly wrong, it's. -Caffeine amount < 250mg (can take less than a serving, don't like too much caffeine) OG Craze was my favorite pre, and I did like OG Jack3d as well, though it sometimes made me crash pretty bad. No crash. Com Jack3d você não terá uma queda de energia durante um treino. Woke AF is the closest I've found to the original Jack3d. Obviously, it has ZERO affect on my body now and hasnt effected my gains. So I've been taking Mesomorph preworkout and it's the closest thing I've tried since the old Jack3d formula. 30/Ounce) $31. etc ~jek555, 201224 votes, 24 comments. New posts Search forums. I came across an unfinished bottle of the original oxyelite pro in my house the other day. . and yet somehow still isn’t as strong as the original Jack3d lol Click to expand. Podcasts. A judge dismissed. O. I also want to take multivitamins so im not sure what can be combined with what. Glad it's working for you, I sold mine after 3 servings, and went to the black market to find some old Jack3D and Hemo Rage which have worked wonders, but i fear the day they disappear for good. In a statement, USPlabs, the Dallas. Total Review of both! By KurtBoy in forum Product Reviews - Help Out! Replies: 24 Last Post: 02-08-2010, 12:00 PM. I didn't look at the serving size because I was preeeetty stupid, and decided "Hey, it's not resealable, so this is obviously one serving. Are there options for fat burning without taking caffeine and ephedrine? Homeif it hits you that hard, might be too much for me old jack3d I would do 1 scoop and my skin would crawl to the point it caused pain if I wasn't lifting somethi - #150476844 added by zombifier at Fitness - muscle and fitness, fitness plan, fitness workoutsMethylhexanamine (also known as methylhexamine, 1,3-dimethylamylamine, 1,3-DMAA, dimethylamylamine, and DMAA; trade names Forthane and Geranamine) is an indirect sympathomimetic drug invented and developed by Eli Lilly and Company and marketed as an inhaled nasal decongestant from 1948 until it was voluntarily withdrawn from the. Piperzines are often used in making fake ecstasy pills for the similar sensation they provide. 05-15-2010, 03:58 PM #4. The U. Thoroughly Impressed. 6. (Arginine ALpha-Ketoglutarate, Creatine Monohydrate, Beta Alanine, Caffeine, 2-Aminoisoheptane HCI, Geranium Extract (stem & leaves), Yohimbe. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. Supplement Auction. But I try some preworkout with DMAA but every where is DHMA+DMAA. I will miss you old Jack3d, now you are not pretty good like before. Jack3d Ingredients & Supplement Facts. A subreddit designed for discussion of supplements and nutraceuticals; for health, performance, or any…This is not correct. because idiots are to afraid of dying to buy it. 2370 "old jacks" 3D Models. 50-60mg is a common dosage for preworkout. For anyone who hasn’t tried the old formula Jack3D, it was the best pre-workout product out there. The most popular bodybuilding message boards!54 votes, 104 comments. Next was Jack3d, which I still swear was the best ever. ? I don't want to spend 30$ on it then find out it makes me voilently vomit. shadar. I much prefer modafinil+caffeine for such things. ReplySo I went to GNC and the sales rep there was like "yo bro i got some stuff that will make u go amped in the gym its called C4" so im like alright let me look at the ingredients and this stuff was just full of vitamin b12 and caffeine. Aug 29, 2013. khergan. 7 1/2 weeks out from first natural pro show. Philip Tracy, the owner of Max Muscle of Reno, described Jack3d as an “amphetaminelike compound” that “speeds up your heart rate” and could “possibly” cause death. The old Jack3d with dimethylamylamine 1 3 was pretty good. Claire Squires, the 30-year-old woman who died while running the London marathon last year, had a now-banned stimulant, Jack3d, in her water bottle. Serious Nutrition Solutions - Competitive Edge Labs - Muscle. I bought the old jack3d like 2years ago and never used it because i was scared of the side effects (stim dick, libido, crash etc) so I'm looking for something with no side effects. Even if you take 3 servings you'll still only be at half of what Pre JYM is. Unless he has a heart condition, he should be fine on jack3d as long as he isn't overdoing the dosage. Last month, they. meh. I have similar effects with taking 200mgs caff+50mgs dmaa these days. Nothing in it should make you test positive. Unless you invest in a highly accurate scale or suspend the DMAA in a fluid suspension, it can be difficult measuring an accurate amount. 150mg+ could be fatal. Updated 6:18 PM, April 12, 2013: In advance of Rock Center’s report on the supplement industry, the FDA issued a warning about DMAA, the supplement present in the popular product Jack3d. To boil things down to their essence, the Jack3d Original Formula was banned, but its parent company, USP Labs , still makes a pretty sick selection of preworkouts that remain in the FDA’s good graces. Old Jack3d, before they took out dimethylalamine was insane and hardly overrated in the slightest. com box and just one scoop was waaayy better than everything i mentioned put together Gifd Labs Products:and in person training / coaching with Jerry Ward : USPlabs reps: I am a huge fan of Jack3d (still have a new 2 tubs of old formula), but you need to be honest with your customers. Add a Comment. Only downside besides my probably shortened life span was my non functioning penis the entirety I was on the stuff. On Friday I felt fucking monster at the gym (just got in some dmaa like old school jack3d) and did a 90min heavy ass arm workout, running the racks from 1rm to fucking 5lb weights at the end with each set 1-2 reps to failure, or to complete failure once I. How quick is quickly ? Just curious as can have it repaired if lasts but if it’s just a few games then nah. It's generally safe, as long as you don't push yourself. 55g-16. Xplode ( I used this before and it wasn't nearly as good as the old sp250, but they have. Nutritional label for the old Jack3d. ago. 5. Rated 4. HydeMind. In this article, here’s what I’ll cover: Why Was Jack3d Banned? My Jack3d Review; New Jack3d Ingredients Jack3d (that’s pronounced “jacked”, by the way) is also famous — or infamous, depending on who you are — because of what happened next. It's almost as good as the old pre-workouts with DMAA (that's what made the old jack3d so good) Reply rsteroidsthrow2 •. While this has only ever been linked to other deaths anecdotally, the whole product, as well as other products containing DMAA, were recalled. the nitrogen group is considered the functional group and the first carbon atom attached to. "Claire was always in the gym and. ReplySo I went to GNC and the sales rep there was like "yo bro i got some stuff that will make u go amped in the gym its called C4" so im like alright let me look at the ingredients and this stuff was just full of vitamin b12 and caffeine. best workout i had with the product. So just wanted to throw it out there, I had heard of the guy behind DS not being fully honest so stayed away from their…So I’m looking for a pre-workout similar to the old Jack3d prior to getting canned for stopping people’s hearts and such. Pretty mediocre performance by Canelo in their trilogy. Something comparable would be Cellucor's NO Extreme with a couple caffeine pills. We describe the case of a previously healthy 22-year-old man who presented with anginal chest pain and was diagnosed with a non-ST-elevation myocardial infarction. 15 - 25% when you 'clip' the coupon on the product page - 5% when you checkout via Subscribe & Save = $14. and while the old version of Jack3d was one of the best pre workouts on the market, this new formulation is pretty damn good. SKU uspJ3D. € 54,90 € 39,90 incl. N. hemoval These r the only ones i know for sure but there is definately more that i dont hve listed some rumors are c4 an p6 will cause u to test positive also im told stay away from all testosterone boosters. 2. Note: Coupons are typically one per account. Any advice? Advertisement Coins. Show Printable Version; 02-11-2014, 08:25 PM #1. P 10/10/10. The most popular bodybuilding message boards!Going into 17. ”. I've heard alright things about 1MR and White Flood, probably gonna try them soon. Taste - TIE. Kenneth Lee. Forums. How much Caffeine is in. If you tested them in a blind test you'd not be able to tell any difference. 0. Racetams always seem to make me feel a little off emotionally. It's like adding a significant, powerful stimulant on top of caffeine and just. 3 GB r/CrackWatch • •As a general rule, you need to have the game closed for resetting auctions or anything else that depends on in-game days, and you need to have the game open to reset raids and outbreaks and anything else that depends on real-life days (and conversely, closing the game lets you move the time backwards without resetting them, which is useful for. qnzlilshotta said: ok so got the new JACK3D. I purchased the old Jack3d formula about 2 weeks ago, however day 3 into taking the PWO I was no longer feeling anything. If they don't show the exact amounts of each ingredient in each each serving, leave it behind and look for another product. $36. The hype on Jack3d is so ridiculous that I see countless guys walking in to GNC, Power Nutrition, and the Vitamin Shoppe asking for this product, and the best part is — none of these guys ever seem to have any muscle! So I just knew I had to taste this stuff and write a real Jack3d review!I haven't tried Mesomorph since the good old dmaa days. SK. S. OLD Jack3D. OLD Jack3D. Last summer, a 22-year old soldier collapsed during a training run with his unit. i just bought two container today expiring 10/12 and i. 1. Important note* Recovering drug addict +2 years now. . Jack3d was the second closest thing to steroids you could acquire in high school besides Sarms. Now I just order pure DMAA and add it to whatever pre-workout I happen to have + 2 caffeine pills. I chose number 3. Do this the first 3 times using the product. So, jack3d had low doses of fake ecstasy in it. That was the extent of the side effects for me. Drug danger The effects of performance-enhancing stimulants on an athlete's body can be. . Old Jack3d vs new Dark Labs CRACK PWO 👀 People who have been in the game for a while, how does old Jack3d (or any OG DMAA pwo) compare to new Dark Labs CRACK or other 2022 "DMAA" pre workouts in general?Feb 16, 2014. Try new SHREDZ: ANABOLIC METH MATRIX pre-workout today! May be carcinogenic. muscleaddiction. shatter - i liked this one. PinelliPunk. . The closest thing to Jack3d on the market - and Hi-Tech has now disclosed doses in each scoop! UPDATED WITH DMHA! Caffeine: 100mg. Reply. Ultra Hardcore pre-workout formula for those who want intense energy & insane, mind-blowing pumps. 1 scoop and you'll blast to to moon! Hmm. I've never tried the new formula but the old stuff was the best pre-workout i've every tried (out of 4 or 5 different brands). I love it but I don't experience very good pumps from it. 7M subscribers in the starterpacks community. i can't remember if jack3d had just a month and a year, or a month, day, and a year. Old Jack assists your workout with amplified energy, razor sharp focus, and prolonged muscular endurance. . #this is a post for all the people who are Barly take them need advice. 200lbs. 2 lb. 1 Why Jack3d Was Banned: 2 Jack3d Original Formula. Beta Alanine: 1. The most popular bodybuilding message boards!old jack3d was epic new jack3d doesnt have the same effect (not a tolerance issue, i was off stims for months) . I chose number 3. Wanted to switch out to SPMAXX but RSP dyno also interesting as a stack, any. im like are u serious the stuff is like $ 50. Affordable price in the market. The Air Force didn't really notice it until I was getting my retirement, but by then the amount of pre workout and energy drinks I had ingested would make me a viable option as a battery in a Tesla. New media New comments Search media. Be cautious. Like i mentioned earlier, this is very much the same as the OLD jack3d and gives me more energy and focus compared to jacked v2 at a lesser dose. Took only shitty Liv52 liver aid but did not needed, no unbearable pumps. 01-11-2010, 11:57 PM #15. View Profile View Forum Posts Registered User Join Date: Oct 2009 Age: 32 Posts: 77 Rep Power: 198. Higher blood pressure from the TRT coupled with the increase in blood pressure from the caffeine will make you feel pretty speedy. So I went to GNC and the sales rep there was like "yo bro i got some stuff that will make u go amped in the gym its called C4" so im like alright let me look at the ingredients and this stuff was just full of vitamin b12 and caffeine. I took one serving of JACK3d between 8-10 months ago while working out with a buddy, and haven't ever again. Big™ Administrateurs;The old jack3d gave me proper insomnia & a limp dick, i find coffee to be much better. 405mg of Caffeine in full dose. Also a year before EE launched second galaxy launched and the devs did it too but even worse. I took one serving of JACK3d between 8-10 months ago while working out with a buddy, and haven't ever again. thoughts? i rep back. 📩 Automatically receive MPMD articles when they are published: (Gorilla. I know many other factors could of influenced the runners health but it has been proven that DMMA is dangerous. 37. This is actually a banned ingredient and what got the people behind USP Labs Jack3d pre-workout into trouble (more on that later). hey guys, am thinking about entering a natty contest soon (NANBF). 1 Jack3d Ingredients. Edit: here are the ingredients to jack3d: Proprietary Blend Creatine Monohydrate Caffeine Arginine Alpha-Ketoglutarate Beta AlanineIt's not "very powerful" in my experience at least compared to something like DMAA (the old Jack3d formula) or ephedrine or Adderall. CryptoPosted by u/tricky3737 - 2,298 votes and 68 comments321 votes, 58 comments. DMAA isn't something you want to start at a high dose. Im about to try something else, what would people recommend? I've been reading into white flood/muscle marinade. Note: Coupons are typically one per account. (Reuters) - USPlabs, which sold the best-selling workout supplement Jack3d, and six of its executives face criminal charges for the unlawful sale of nutritional. A week ago I popped a 100mg pill with a friend. Hydrazine. Ive got some old hi tech off the chain, 20 mgs dmaa, 100 mgs caffeine. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. As you can see it looks a lot more like a normal pre-workout comparted to the old formula of Craze, that crazy energy amped up feeling was most likely coming from the. 37. What’s waiting inside is a truly explosive mix of well-researched ingredients such as arginine alpha-ketoglutarate, creatine monohydrate, beta alanine, caffeine, geranium extract, DMHA, and Schizandrol A. What set Jack3d apart was its inclusion of DMAA (Methylhexanamine) as its main ingredient, which is basically an analogue of an amphetamine and has similar effects. But I try some preworkout with DMAA but every where is DHMA+DMAA. Anyone ever get the same effects of molly with their preworkouts? I've tried muscle pharm assualt, craze, jack3d, ext. Above is the label for old Jack3d. NFL. It should be fine 11-13-2010, 07:16 PM #7. Consumers, however, can still buy Jack3d, a “preworkout booster,” and OxyElite Pro, a fat burner, at GNC stores and other retailers in the United States. Sup guys, I was hoping you guys could educate me a bit about exercises for my legs. * CURRENT JACK3D 2022 VS ORIGINAL JACK3D FORMULA INGREDIENTS. PinelliPunk. . Purple Wraath White Flood N. For me 25mg has me shaking; I've heard of others needing 75-100mg to really get going. View Profile View Forum Posts 10 30 10 Join Date: Jul 2009 Location: Daytona Beach, Florida, United States Age: 41 Posts: 13,537. J. shakar karwan. Seriously, went half a year without jerking off. Anyone. Compare that to 3 or 5g of ingredients in say jack3d or c4 or the product you are referring to. I stocked up on a bunch before they took it off the shelves and replaced them with the new formula. We drove to every single gym trying to find one that was open, faces on fire. WTS Original Oxyelite Pro. But I try some preworkout with DMAA but every. For anyone who hasn’t tried the old formula Jack3D, it was the best pre-workout product out there. this is my second container of JACK3D. USP Labs Jack3d advanced. hey guys, am thinking about entering a natty contest soon (NANBF). 250g can /OLD FORMULA / old version / US version Jack3d DMAA. I try caffeine and dont get much of a bump there. With Jack3d you'd get the buzz and focus like a kid on adderall, you could lift for 2 hrs, but I noticed it would make my brain tingle and feel cold. Hi! I'm just getting to the bottom of the tub of Jack3d. The last of my og jack. Unless you are on 4 scoops of jack3d (original formula) and a one inch thick 2 foot long line of cocaine, theres no way you could suck in enough oxygen and move enough weight to overtrain in 30min. For pre-workout, you need an "upper" that revs you up (things like caffeine, taurine, high calories, or methamphetamine, speed, steroids etc). So i was just looking for a new prew to buy and i found this is this possible? Isnt it discontinued long time ago? And it was brought up in section "back to stock"I’ve never used PED’s. It is tough to re-adjust. “USPlabs continues to believe that DMAA is legal, or. Shipping is free with Prime or on $25+ orders. D. Overview Of Jack3d Pre workout by USP Labs. Benefits include increased energy, improved endurance, enhanced focus and concentration, and improved muscle pumps. 9 reviews. It seems to work for me, although it might just be because it tastes (and looks) like the old jack3D which was the real deal. If Original Formula Jack3d was your. No luck, got home and ran 5 km in the middle of February, shit was cold. November 7, 2011. I. Tasted awful and I didn't feel anything from it. Thinking about seeing what all the glycerol hype is and moving my rep. Our last Mesomorph comparison is with another infamous OG pre workout Jack3d. animal pump - this one is good but I feel like i want to drink my pre workout instead of take pills. USPLabs Hydro 100 30 Servings. Its old so the powder is a soft brick and difficult to break up. The most popular bodybuilding message boards!Additional information obtained from an immunoassay vendor suggested the anorectic compound dimethylamylamine (DMAA) may be the cause of the false-positive screens. 4-Oz (30 Servings) MuscleTech Vapor X5 Pre Workout Powder (Blue Raspberry) on sale for $20. Sports. Overall, the new Jack3d actually doesn’t have that much caffeine. It’s pretty good (it reminds me of one called Uncut from a few years ago) but no. This. This powerhouse contains 1,3-Dimethylamylamine HCl, also known as Methylhexaneamine or DMAA!2K votes, 190 comments. Watch there review below. 2, I wanted to collect people's thoughts/feedback on taking pre-workout before competing. The current version of Jack3d has the ingredient DMHA, and is allowed to be sold in the USA. eu are selling the og jack3d is there any chance its real or is it bunk ? USPlabs stopped production like 10 years ago so definitely fake. 2) I do not think it is fair to compare the removal of theophylline in Jack3d to the developments in Anabolic Xtreme's Slim Xtreme. I have tried a pair of crazyfast plus reps, the sole seperated pretty quick because of the quality of the material being very thin. To use Geranium Extract, Hi-Tech Pharmaceuticals removes the currently litigated. NO explode did this to me, and also seemed to give me an irregular heart beat frequently. Jack3d Pre Workout | New Formula | 45 Servings. 861K subscribers in the freebies community. I have never had an injury other than a pulled muscle since I started competing athletically in sports around the age of 8. shatter - i liked this one. Food and Drug Administration says DMAA is illegal. I'd kill for the old Jack3d back for when I need it, but as far as I can tell that shit is genuinely awful for the human body. The powder is yellow too, It tastes fine and the effects are the same. The most popular bodybuilding message boards!Whatever I had on hand. ’s position. Have used: NO*Xplode (As a newbie, had to blow up the toilet before EVERY workout) C4 (All around good supplement, gave good pumps) Nsane (Fucked up my stomach and had a shitty workout, only tried twice) Reply BMW1292. The FDA called upon the makers of Jack3d and other companies that use DMAA in their products to prove its safety and that it came from a natural source (they claimed it was "geranium extract") or risk being shut down. Pre workout works just fine but has a bunch of unnecessary ingredients and is overpriced. The Old jack3d, but that shit made my mouth dry as fuck. †. Supplements. 3 Original jack3d formula: 4 Jack3d pre workout review. Jack3d micro does not have dmaa, the original jack3d still 100% has dmaa in it. You're going to have to go through trials and oainto find. Wondering if anybody here has dabbled in this? Just ran out of the old school Jack3D, and about to try some Mr. Jack3d doesn't seem to have that effect for some reason. Just pick one, turn up your headphones and work hard in the gym. :( no mo og USP Labs Micronized BCAA Omega3 600EPA/240DHA B-50 D3 5,000iu Taurine 500mg Vitamin C. CryptoThe most popular bodybuilding message boards!So americansupplements. just makes me wanna keep the rests short, weight heavy and reps movin! The new Fat Joe album is PERFECTBusiness, Economics, and Finance. The sole objective of The Ultimate Jack3d Original Pre Workout with DMHA is to enable you to rule your domain. Anyone who used the original formula should EXPECT to notice a decrease in focus/energy, just look at the ingredients. The original Jack3d formula, which was introduced in 2008, contained DMAA (1-3 Dimethylamylamine). This is actually an adaptogen similar to ashwagandha. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. Amphetamine and methamphetamine are chemically similar, and ephedrine is used in the production of methamphetamine. glacierxdde • 1. But Jack3d V2 now features a proprietary blend with ~4. 1,3-Dimethylamylamine HCl. Hi-tech pharmaceuticals also makes a straight clone of old jack3d called jack’d up. old school jack3d - this stuff was crazy. This formula is completely new and unique as of the 2019 re-release of USP Labs Jack3d. i've heard some nice things via youtube about DMAA from my doctor, (doctor tony huge) and have ordered some to try. 5’5” 154. ago. It provided a little extra focus and stamina but not enough to want to keep taking it. I bought the old jack3d like 2years ago and never used it because i was scared of the side effects (stim dick, libido, crash etc) so I'm looking for something with no side effects. 1 yr. FEATURES. True of any of the pre-workout stuff. Find many great new & used options and get the best deals for Jack3d+Jack+3d+USP+Labs+Advanced+45+Servings+Not+Micro+Fruit+Punch+094922463005 at the best online prices at eBay! Free shipping for many products!Look at any energy drink you can buy at 7-11 and they will have something similar to the Jack3d warning, its just a way for companies to cover there @ss if some kid messes himself up by taking way to much of a product. S. I've finished a 60 serving jar of C4 and am looking to move to a stronger preworkout. meh. I also want to take multivitamins so im not sure what can be combined with what. At. 250mg caffeine, 25. MrVeins. Jack3d as a pre-workout supplement. old school jack3d - this stuff was crazy. . Insane amounts of energy. The energy (and really overall effects) of Old Jack is just like the original Jack3d.