BSN's Atro-Phex Review & Information: Does Atro-Phex Work? -

BSN’s Atro-Phex Review & Information: Does Atro-Phex Work?

Atro-Phex is the latest fat burner from BSN, a company renowned for its sports-enhancement products like NO Xplode, Syntha-6, Axis-HT and Nitrix. Atro-Phex isn’t BSN’s first fat burner offering — others include Thermonex (reviewed here) and Cheater’s Relief (reviewed here!).

There’s been some major effort put into the packaging of this product. It comes in a “snazzy” red box, and the capsules are not packed loosely, but come in blister packs.

So one thing’s for certain… Atro-Phex sure looks cool.

But what’s in it?

A single, 1-capsule serving of Atro-Phex contains a proprietary 680 mg blend of ingredients. I dislike “proprietary blends” since they disguise the true amount of each ingredient, making it very difficult to assess for efficacy.

In other words, you can never really tell if an ingredient is merely “label dressing” (i.e., it looks great on the label, but there’s so little of it in the formulation it’s impossible for it to elicit any sort of effect) or whether it is present in a strong enough dosage to be useful. The latter, in my opinion, becomes less and likely the more intensive a formula becomes.

And this is one intensive formula. The Atro-Phex ingredient profile is divided into 5 “matrices”…

1. ATRO-EFX™: An interesting blend of ingredients here, I was actually looking forward to having a closer look at these ingredients until I discovered the “fat burning” element of the Atro-Phex appears to be almost identical to that of another fat burner — Spectra Force Research’s Thermophoric Diet Caps.

So much for innovation.

Ingredients include…

  • Beta-phenylethylamine, a spin on that famous “amphetamine-related” chocolate-derived “feel good” chemical that’s finding its way into more and more fat burners these days (see Gaspari’s CytoLean and Nutrex’s Lipo 6 X). Its effects on weight loss however, have yet to be demonstrated conclusively.
  • Caffeine (labeled as methylxanthine): common to most fat burners, caffeine’s fat burning characteristics are well known (see Am J Clin Nutr. 1989 Jan;49(1):44-50, Am J Clin Nutr. 1980 May;33(5):989-97).
  • Hordenine, a monamine oxidase inhibitor, likely included to prevent the aforementioned phenyethylamine from being metabolized by the enzyme monamine oxidase.
  • N-acetyl-l-tyrosine ethyl ester monohydrate, an “acetylated derivative” of the amino acid tyrosine — that is alleged to be more stable and effective.Tyrosine is included in fat burners for a number of reasons — it enhances mood and focus, is a precursor to important neurotransmitters dopamine and norepinephrine, and some say it enhances fat burning since it is a precursor to thyroid hormones T3 and T4 (there is little real evidence to validate this claim however).
  • i-FAS50TM: A “precise and synergistic ratio of fatty acid synthase regulators,” consisting of green tea, fleece flower (Fo-ti), and Chinese mistletoe. Fatty acid synthase is an enzymatic system that is involved in the process of turning carbohydrates into fat. Early animal studies suggest the inhibition of fatty acid synthase can lead to dramatic weight loss. Studies also suggest that green tea, fleece flower and loranthus parasiticus are all useful for inhibiting fatty acid synthase (see Life Sci. 2004 Mar 26;74(19):2389-99, Int J Cancer. 2003 Oct 10;106(6):856-62). How supplementation will bear out on human weight loss has yet to be established.
  • Phenylalanine: Phenylethylamine (that’s the chocolate “feel good” chemical, right?) can be naturally synthesized from phenylalanine via a process called enzymatic decarboxylation. Additionally, phenylalanine is involved in the release of cholecystokinin (CCK), a hormone thought to control satiety.
  • Bitter orange extract: A source of naringin, a citrus flavanoid also found in grapefruit, and responsible for grapefruit’s distinctive bitter taste.Most of us have heard how it’s important to be careful consuming grapefruit juice along with certain medications — studies reveal that naringin interferes with certain enzymes which can affect the metabolism and breakdown of these drugs. There is also some evidence that the effects and levels of caffeine can be extended when consumed with naringin.
  • Advantra-Z®: A patented source of synephrine. Long thought to be a credible alternative to ephedra as a thermogenic ingredient, clinical data validating synephrine’s fat burning abilities is in short supply. This study (Obes Rev. 2006 Feb;7(1):79-88) sums it up nicely…

    “While some evidence is promising, we conclude that larger and more rigorous clinical trials are necessary to draw adequate conclusions regarding the safety and efficacy of C. aurantium and synephrine alkaloids for promoting weight loss.”

  • Bioperine: Included for its ability to increase the bioavailability and absorption of certain ingredients.
  • Yohimbine HCl: The standardized extract of the bark of the African Yohimbe tree is yohimbine. This compound is often used as a natural aphrodisiac. It is also sold as a drug (in the U.S., a popular brand is Yohimex containing 5.4 milligram of yohimbine hydrochloride per tablet) and is used to treat impotency, dilate the pupil of the eye, and stimulate fat loss (studies indicating weight loss are promising but not revolutionary — see Isr J Med Sci. 1991 Oct;27(10):550-6).
  • Razberi-k or “raspberry ketones”. These are similar in structure to capsaicin and synephrine — two compounds thought to enhance weight loss via the stimulation of norepinephrine (although real evidence to validate this theory is in short supply). One study performed on rodents (you can view the specifics of the study here) did show that raspberry ketones prevented fat synthesis as well as the rise of blood triglycerides and overall, helped prevent obesity.

2. Mood & Mental Performance Optimizers:  Vitamin B6, plus periwinkle alkaloids vinburnine, vinpocetine, and vincamine. The last three ingredients facilitate blood flow to the brain.

3. Aqua-Retic™ Matrix: Includes juniper, a common diuretic as well as dandelion, which also displays diuretic characteristics.

4. Insulin Support & Weight Management: Contains one ingredient — Cinnulin PF®. Cinnulin is a water-soluable cinnamon extract which, according to the product web site has been shown in clinical trials to decrease fasting blood sugar.

5. Pro-Thyroid Stimulator: Includes 7-keto DHEA and Dicana™ — a patent-pending diiodothyroacetic acid isomer. One study has shown that 7-keto does have a positive effect on thyroid hormone levels in obese people (see Journal of Exercise Physiology, Volume 2, Number 4, October 1999). Diiodothyroacetic acid is a thyroid metabolite that may have a positive effect on metabolism, although to date, most positive studies have been animal based.

Phew! I told you there were a LOT of ingredients in Atro-Phex. So, with all that out of the way, what’s the bottom line?

Well, the Atro-Phex formula certainly is an interesting one.

Regardless, many of the ingredients don’t have much in the way of human-based clinical trials to validate their effectiveness on weight loss.

And there have been no clinical trials performed on this product to date to confirm any sort of “synergistic effect” (i.e., that the sum of the effects of all the ingredients is greater than that of what each one delivers individually).

To me, it looks like Atro-Phex is a fat burner in need of an identity. Was BSN trying to make Atro-Phex “look” like all things to all people by throwing everything but the kitchen sink into the formulation?

Who knows?

All I know is that when a 680 mg “proprietary blend” contains as many ingredients as this one, it’s extremely likely that a large percentage of them do nothing but “spice up the label.” Personally, I’d prefer a less intensive, more focused ingredient profile, with the emphasis on ingredients that have at least some decent clinical data behind them—like Isatori’s LS7 or any of our recommended thermogenics.

Nonetheless, BSN is an extremely popular brand, capable of creating products that meet the needs of their receptive audience, so maybe you’ll want give it a try? (You can buy it online at

So far, visitor feedback has been pretty positive. Perhaps they’ve got the balance right with this product? We’d love to hear from Atro-Phex users… what do you think?

Author: Paul

Paul Crane is the founder of His passions include supplements, working out, motorcycles, guitars... and of course, his German Shepherd dogs.


  1. I’m not out of shape at all — I’m 6 percent body-fat. I have taken atro-phex for a week and saw results in the first 3 days.

    I trust BSN a lot, and I think this is a good product because it has worked well with my body chemistry. It may differ from person to person so I can say it works well for me but maybe it won’t work well on other buyers and users.

    In my opinion its worked better than the other weight-management/dietary supplements that I have taken, and I have taken Xyience, and Hydroxycut — the original and the hardcore.

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  2. Just started using Atro-Phex 3 days ago, right from the get go I noticed a difference in the Intensity of my workouts. Also, noticed the diuretic affect.

    I’ve bought BSN products before and always had good experiences with them.

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  3. So I finished a bulk-up phase recently with 10% bf I’ve been on Atro for about a month and have had some amazing results.

    Starting – 5 ’10 168lbs. After one month 162, a loss of 6 lbs.

    Of course some of the results came from HIT (high intensity training) and weight training, but I have lost about 6 pounds. Some of it water of course, but bodyfat is now 7%(caliper measurements).

    I’ve had great results so far, though I’ve had a few side effects such as headaches and an irritated stomach. Overall I would recommend this to any body builder looking to maintain muscle and get cut.

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  4. i m using Atro phex for 14 días first week, I feel full of energy and lost weight but this second week I notice my weight is increasing…the energy is ok but I dont know why my weight is incresing and mesuare too..because i suppose i used to loose weight

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  5. Well…I trust BSN a lot too. I think No-explode and Syntha-6 are very good for my body, so I use them everyday.

    But, especially about atro-phex, I’m not able to have belief in the product. Cause, after using this product, I feel tired so much, and have some trouble with my blood pressure.

    Of course, I don’t wanna think that this product has some clinical defects, but in my case, this is not so good.

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  6. I am only on day one of my taking this product and my reasons for trying it are thus: I’ve been working out regularly for most of 1 1 1/2 years, I play soccer 2x week and yet I still have issues with belly fat and a lingering layer over what I perceive to be some pretty hard muscle. So, I’m giving atrophex a try.

    I will be happy to re-post as the weeks go by and look forward to having some success with this. My teammate and friend just finished her packet and is pretty lean (but I know the differences in our body types are the reason and I don’t expect that for myself.) I would just like to lose the stubborn layer over my muscle. Maybe i’ll be surprised and if so, I’ll certainly rave about the product at that time.

    I will be eating leaner and hopefully cleaner while taking this as well as making sure that I don’t let anything get in the way of the gym routine.

    Day one is this so far (and I understand your body needs to acclimate to the amount of stimulants): I took my 1 a.m. pill and 30 min. later ate a yogurt (soy, i’m lactose intolerant) and 2 hours after that a banana and 2 hours later I was starving so I ate a Fibery bar which helped to satisfy the empty feeling I was having all morning. Then it was time for my p.m. pill which I took around noontime and felt a little squimish 15 min. later. so I asked my friend what she did and her husband said low cal., low fat mini meals 4-5 a day helps that. so I had a small snack of rice cakes (one serving of 10 small = 70 cal) I never look at calories… this is a first for me. I felt better. I had my lunch an hour later (sliced chicken breast & swiss on whole wheat w/mustard). and all day so far water. So, i’m done with the pills for today….and tomorrow I’ll do it all again. I’ll check back in like 2 weeks to let you know…..

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  7. I tested Atro-Phex vs Lipodrene for a 4 week cycle for each product maintaining the same calorie protein (1800/165g) intake daily and using the same workout for both tests.

    Test start was with the Atro:

    Caliper BF: 13.5%
    5′ 10.3″ tall

    After 4 weeks i had dropped down to 11.3% bf and 162 pounds.

    I wanted to follow up with 4 weeks of the Lipo to see if my fat continued down, stayed the same, or went up.

    I felt the Lipo controlled my appetite much better then Atro Phex. Both give you some type of energy boost though. The Atro seemed more intense, but I was taking 8 pills a day vs 1 Lipo.

    After 4 weeks on Lipo my BF was 10.1%… and I weighed 158 pounds.

    I think it’s safe to say in my case, both worked well for me. I think overall, the Lipo was best because of the cost and the fact I only took 2 pills per day vs the 8 I was taking with the Atro-Phex.

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  8. I’m concerned because I was diagnosed with mitral valve prolapse after a few months of taking Atro-phex, and I wonder if there’s a link.

    I noticed it gave me energy but also crazy heart palpitations when I’d work out. I remember when Fen-phen was found to cause heart valve damage, and I wonder if the fat-burning component of Atro-phex could do this by a similar process.

    I want to know if anyone else has had a similar experience.

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  9. I am 18 years old, 5’7” and currently 152lbs I’m always playing a sport and have been going to the gym at least 4 times a week for the past month.

    I have been taking Atro-phex for about a week and a half. I have lost 10lbs in this past month. I am not sure how much weight loss is from Atro-phex or how much is from just working out and eating correctly, but I definitely like what I see.

    I take 4 pills in the morning before breakfast and 4 pills before dinner before I work out. I have no side effects besides having to use the bathroom a lot, but that is because I was consuming 120 oz of water or more a day.

    Overall, I believe this is a great product. I feel that it is working very well for me. I recommend it to anyone. Just test it to make sure it works for you.

    I will repost in about a month with my results providing a better opinion of the product.

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  10. I’m only using Atro-Phex when I’m not working out. I work 12-13 hour shifts, so I take it at work mostly so I’m not eating all the time.

    I use NO EXPLODE before workouts. Should I be taking Atro Phex before a work out?

    Editor’s comments: Definitely do NOT combine Atro-Phex with NO-Xplode, as its energy matrix contains a ton of caffeine and other stimulants. We’d recommend you continue using these two products exactly as you are! (click here for a full review of NO-Xplode on

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  11. I’m glad I found this site. I actually just purchased Atro-phex 2 days ago. I haven’t noticed any of the side affects I keep reading about. I drink tons of water so I’m not worried about headaches but I have read you must eat something around 30 minutes after taking the pill.

    But since BSN makes N.O. Explode and that works so well for me, I thought I’d give this product a try also. I really appreciate how I do not crash after taking their products. I’m 5’10’ 205 lbs. with a goal to reach 185 lbs. The trend seems to be 2 pills 2x daily. I hope that combination works for me.

    I take a pill in the morning and then again another pill around 5pm (after work or before the gym) and I always have 1.5 scoops of No Explode before lifting. Should I not mix these two together (Atro-Phex and N.O.Explode) before I start my work out?

    Editor’s Comments: Personally, I would not. N.O.Xplode (reviewed in full here!) contains a TON of caffeine and other xanthines. Combining the two will provide you with a super high dose of stimulants, which is not necessarily a good thing.

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  12. I started taking Atro Phex a week ago. I read up before hand, so knew to drink plenty of water. I changed my diet as well (to a healthier one) and looked forward to losing weight. I weigh myself weekly.

    However, after weighing myself after this first week on Atro Phex, I have GAINED 4 pounds! I was looking to losing at least a pound. Is it normal to gain weight in the first week? Or whats up?!! I have NEVER gained weight in the first week on a diet before.

    I do enjoy the energy that it continues to give me, and I am able to work out longer and more which I enjoy! I am just baffled by the gaining of pounds in the first week!

    Editor’s comments: It’s likely those 4 pounds are mostly water. If you’ve increased your water consumption, it may simply be that you’re more hydrated. Additionally, your weight can fluctuate a fair bit on its own; that’s even more true for women during certain periods of their monthy cycle. Try weighing yourself daily, and I’ll bet you’ll see more consistant measurements.

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  13. I got a free sample of Atro-Phex in my last can of Syntha-6. Although I have been using Syntha-6 and N.O.Xplode for years, I had a very bad experience with BSN’s previous fat-burner product Thermonex.

    After just starting the product, I took a capsule one morning and noticed a very disturbing irregular heartbeat (arythmia); I was driving at the time and promptly stopped at a fire station that was close by to have it checked out by paramedics. They were very concerned after hooking me up to a cardiogram (I think) that showed my heartbeats and tried to get me to allow them to take me to the hospital in an ambulance. I declined and drove myself to the ER.

    The doctors monitored me for awhile and as time went on, my heartbeats returned to normal. We all concluded there was something in the product that my body “did not like.” I am used to large amounts of caffeine, like N.O.Xplode and lots of coffee, so I don’t think it was that. I also regularly used the old ephedra products before they were banned with no such side effects. I suspect the culprit in this case was one of the new “exotics” BSN is putting into the product…the ones without human clinical studies.

    I suspect Claire, who posted earlier that she had heart palpitations after taking Atro-Phex, probably aggravated a pre-existing condition. I say this because I had been diagnosed with a mild heart murmur myself and for some reason this product aggravated the condition. I don’t think Atro-Phex caused it.

    Just be aware you may be one of the unlucky (?) ones that won’t tolerate the product well.

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  14. I have used many fat burners and weight management matrix pills over the last 3 years. Mostly since joining the military, the hectic lifestyle has caused my weight to fluctuate incredibly. I started taking Syntha-6 for post workout relief on my muscles as I’ve kicked it into gear seeing as I’ve worked very hard to lose all my gained fat, not my muscle. I was on a steady loss of body weight using Hydroxycut, but after it was banned I was without a supplement. I saw the recommendations for Atro-phex on the bottle of my favorite protein mix and decided to give it a try.

    Like the bottle said, and my initial expectations, it was hard the first few days. My heart rate was higher than normal and I had to use the bathroom more frequently. I also felt nauseous, but coupled with that was a strange feeling of calm. I didn’t get angry or riled up. That was unusual considering other pills usually made me get upset. This is definitely the first pill to provide me with different results…

    Into the third week of use, I have noticed a significant loss of weight. It was slow and steady for the first two. I have lost nearly a pound of body weight EVERY SINGLE DAY! I was hovering near 178 lbs, at 69″ height. I have no idea what my bodyfat % is at, as I have no caliper out here. As you can see this is a very good product. I am now down to 171 lbs. I hope to hit below 170 soon. Thank you BSN.

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  15. I have been taking atro-phex for a few weeks and I just “upped” my dose from one to two pills in the morning and afternoon and immediately have noticed irregular heartbeats after I take the afternoon dose. I went online to see if others have had the same problem. I have lost 3 pounds (with diet and exercise too), and really don’t want to stop taking the product. I, like the comment above, was diagnosed years ago with a heart murmur, so that probably has something to do with it.

    It is unfortunate that this product seems to do that to a lot of people! It can be scary when something starts messing with your heart!

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  16. This product did absolutley nothing for me. I didn’t feel energized and I didn’t feel the need to eat less. I stopped taking this product and switched to Hydroxycut Hardcore which worked until it was recalled.

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  17. I’ll say one thing. Wow! This stuff is nuts! Gotta give it a try, but must be serious about a healthy diet, hydrating, and straight smoking your self in the gym.

    BEFORE: I started off weighing 207 Lbs after getting fat over Christmas. My belly looked like a pack of cinnamon rolls.

    AFTER: Dropped 17 Lbs in 2 weeks. Now I’m 190 and dropping.

    TOLERANCE: Started off taking only 2 a day (1 in the morn, and 1 in the early afternoon). Jumped up to 4 a day after a week.

    MY WORK OUT: I run every day, and no less than 3 miles at a 7 minute mile pace. Other than on the weekends I always run late at night close to bed time so I can just crash after working out. On the weekends, I try and see how far and fast I can go. The farthest I’ve gone during a single run was 8 miles in an hour. I burn over 1200 calories on those long runs. When I don’t do the long distance runs I substitute with 10,000 meter rowing sessions after the 3 milers. Always knock out a max set of crunches and pull ups. Make sure you got something in your stomach or your gunna feel like crap. If you don’t drink water stand the hell by.

    RECOMMENDATIONS: Eat small meals every 3 to 4 hours (chicken breast 6 inchers from Subway are great). Healthy snacks will help hunger cravings (Harvest/Power Bars). If you don’t drink water your gunna start pissing rust if you don’t just pass out. Watch the caffeine and don’t take with NO-Xplode like I tryed once. My heart rate was about 200 beats a minute for over an hour just slothing on the couch (felt like I had just sprint over a mile). Take a good multi-vitamin. I take Ultra Mega Green twice a day by GNC (food based). I mix Accelerade with my water 50% of the time. Give it a try.

    GREAT EFFECTS: Hyper as all hell (you’ll feel like you can jump start a dead battery). Lots of energy, drive, and focus. When your on this stuff and not working out you’ll feel like a fat chick craving a jelly doughnut.

    ADVERSE EFFECTS: My armpits sweat like crazy and stomach aches if empty. Always hungry, but that’s to be expected with my stomach still shrinking and as much cardio I do.

    Remember, everyones body is different and it’s easyer for some to stay in shape than others. It’s straight genetics. If you want to be healthy you’ve got to live healthy. Feed the machine and build that muscle memory. It’s all about tolerance. What’s your pain threshhold?

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  18. I’m training 2-3 times a week. In 2 of the trainings I’m doing a 5km run and afterward, a muscle workout.
    That’s in most cases, I also for one workout ride a bicycle for 2-4 hours (burns 2000+ calories) and then do a muscle training. How should i take this product?

    Editor’s comments: Yotam, please see the Atro-Phex review for a better idea of what you can expect with this product. Dosing is provided on the packaging; one capsule twice daily increasing to a maximum of 4 per day.

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  19. My first experience with Atro-phex and I’m pretty pleased with it. I have tried a lot of fat burners and have found PHD’s Lean Degree to be the most successful so far, I’m only on day 2 of Atro-phex.

    Editor’s comments: Elliot, to provide the greatest value to our visitors and this web site, please use the product three to four weeks before sharing your comments here. Chances are you may feel differently about it after you’ve used it for a full cycle.

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  20. HI! I’m 18 and I just started using Atro-Phex 2 days ago but I’m confused as to when I should be taking it. I know to take it in the morning on an empty stomach but should I take it before lunch or before dinner? Also can I eat lunch because I have this full feeling but should I eat. (note: I wake up and take it around 6 15 and go to school starts at 7.)

    Editor’s comments: There are full dosing instructions on the box. It is probably a better idea to take these in the morning and at lunch – taking them later in the evening may affect your ability to sleep soundly.

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  21. I just ordered atro-phex because I heard good things about it, but I was wondering if I can take this while using my whey protein and creatine pills?

    Editor’s comments: There’s no reason why you shouldn’t. Just be careful about mixing pre-workout supplements like NO-Xplode with them – they both contain a ton of stimulants.

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  22. I received a free sample of Atro-phex with my Oxygen magazine this month so I though I would give it a try. DON’T DO IT! I have been miserable all day. My heart felt like it was going to burst out of my chest. I was agitated and unfocused all day and I only took one pill. That was at 7:00 AM and now at 10:30 PM, I can still feel it’s effects. I’m sure I won’t sleep well, so this one pill will probably cost me two days of feeling bad. I’ve tried other fat burners, supplements, etc. and you don’t have to be this miserable to give your program an edge.

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  23. I’ve been on Atro Phex for less than a week now and I can already see the difference. No side effects. I started with one pill in the morning and one in the afternoon. I’m up to taking two at a time now. No jitters or any crazy side effects. Unless, you think “sexy” is a side effect – then bring it on! LOL.. Just drink alot of water. I’m also taking creatine too, so the both is very dehydrating. I’m drinking about a gallon of water a day and then some.

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  24. I have been on Atro Phex for a week and since my last body fat measurement exactly a month ago, I’ve lost 3% body fat. Keep in mind that I have a pretty consistent workout and my nutrition is dialed in. I take two pills at a time and I have no negative side effects whatsoever…. only side effect is waking up sexy each day!

    LOL.. ok… all jokes aside. This stuff works. I wouldn’t say that I have such a high tolerance for stimulants/caffeine. I drink one/two cups of coffee in the morning. I’m a regular user of Superpump or NO Explode and have cycled off right now. So I take two pills when I wake up. Two pills in the afternoon – about 5 or 6 hrs later as recommended.

    I have a whey protein in between. I work out about 5pm, and take my creatine after my workout. I have my casein protein before I go to bed. Remember all this followed by a consistent work out and nutrition!

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  25. I’m 15, <9% bodyfat, I am a huge wrestler i am lookin for something that will help burn a little bit more fat without actually takin a true fat burner. Is Atro-Phex a true fat burner and will it cause strokes and heart attacks like a fat burner in furture years? Would it hurt my young body to supplement with Atro-Phex?

    Editor’s comments: Jacob, none of these products are recommended for anyone under 18 years old. And at under 9% bodyfat, you really don’t need one.

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  26. I too have a mild heart murmur and took Atro Phex about a year ago and it caused me to have irregular heartbeat. I get an irregular heartbeat simply from too much caffeine as well, and this product is loaded with it. I am about to try this product again for the 2nd time and am interested to see how it affects me this go round.

    I just finished taking Accutane a week ago. Does anyone know if it is not ok to start this product so soon after taking accutane?

    Editor’s comments: That’s a question for your doctor, Kristen.

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  27. I’ve been using this product for 4 weeks and already lost 6lbs. I have been receiving so much energy that all I want to do is work out. Awesome Product!

    A buddy of bought me GNC AMP Creatine for muscle build up…. Is it safe to take both?

    Editor’s comments: As long as the creatine product doesn’t contain stimulants; normally there’s no issue with combining creatine with a thermogenic.

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  28. Have been taking AP for nearly a month now and it is working fine. However, soon as I try to take the 3rd capsule (afternoon) I get serious heart/muscle palpitations. Honestly, its scary – I’ve just gone through that tonight. I am not sure if I should continue with 2 caps a day from tomorrow.

    If there was someone out there to tell me that palpitations are normal and I shouldn’t worry then I will probably keep using it, otherwise, quite frankly, I find it dangerous right now!

    Editor’s comments: Beks, heart palpitations are DEFINITELY something you should be concerned about. We recommend dramatically lowering your dose, or discontinuing the product altogether.

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  29. I’m 18 years old, 5’3 and 130lbs, I cheer 3 times a week for my college but want to get back to my old working out habits. I feel like I have a lot of stress and no time living at school so I need something effective that works fast. I saw an ad for Atro-Phex in a magazine and thought something like this would help.

    I was looking for some feed back, should I buy this stuff or not? I’m thinking about just trying it and buying the 48 caps bottle but I’m not sure if i need it? i do have a muscular build being a cheerleader for some years but have also gained fat from having so much off time and stress.

    What do you recommend?

    Editor’s comments: Anadelina, sorry to be the bearer of bad news, but there’s no product on the planet that’s going to melt the weight off you fast. Some products help a little, but it’s still up to you to do the hard work – dieting and exercising.

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  30. alright so ive been using this for almost a week so it might be premature to pass any judgement but heres what im thinking…atrophex is an “aqua-retic”, it makes you piss your water weight and hence all my recent muscle definition. great. but it makes you thristy as hell so youre putting all the water you just pissed out back in again….right??? and around and around it goes while bsn pockets your money. i mean i want to follow through with the rest of the product because its 10x better than coffee for focus and spunk. but in terms of the body building time line- im not sure when this product is appropriate. this is like a post bulking phase product yeah? get massive for a couple months and then shrink wrap it with atrophex? or can i use it to help bulk because im seeing very significant increases in my 2 rep max weight. idk. s.o.s…. thanks

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  31. I am 5 ’12 and was 220 pounds. This stuff is great. I lost 5 pounds the first week of taking this with a good diet and exercise. After a month and a half. I have lost 20 pounds. I only take two pills a day. Any more than that it hurts my stomach no matter how much water i drink. I want to loose 10 more pounds. Hopefully this will get me there.

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  32. I had a sample of this product in my SynthaSix. This stuff was good, I took all four pills and went out for a jog and had a great run and my appetite was destroyed on the stuff. This was a year ago and I didn’t properly take it for weeks or whatever so it may not be a great review, but I do remember it working great!

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  33. I’ve been taking this product for 4 days and I love that it gives me energy. I’ve noticed the difference in my stomach which is also great.

    I’m a little concerned about the chest pains I’ve been getting at night when in bed and I’m not sure if I should continue taking it?

    I only take it once a day and would love to continue but not if it’s going to give me heart problems. Overall it seems to work but it might not be for me 🙁

    Editor’s comments:
    We’d recommend that you stop taking the product and get checked out by your doctor – chest pains are nothing to mess around with.

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  34. Hi, i have a question for you. I am 18, 6′ and 155 lbs. I have good sized muscles but would like to be more toned. The main place i want this is my stomach! I have always wanted six pac abs but could never get there. I have strong abs and i think with the loss of some fat, i can reach my goal. The only thing everyone talks about with this product is the fact that you lose weight, yes i am going to lose weight from getting rid of fat, but i want to focus on the FAT BURNING part of it and not lose any muscle or make my arms look to small. Would you recommend this product to me? Will i have a six pac when i am done or at least lose the stubborn fat? Thanks!

    Editor’s comments: Any time you reduce calories, lean muscle mass is threatened. That’s why bodybuilders go on “building” and “cutting” phases. For the most part, losing weight while gaining or maintaining muscle is a contrary goal. You can work to eliminate muscle loss, but you can’t prevent it. And this product will not help with that.

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  35. I’m 16 and I just wa looking at Atro-Phex and was doing a lot of research on it to see if I should take it. Could someone respond to this and tell me if I should?

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    • Editor’s comments: Ethan, this product is not recommended for anyone under the age of 18. We suggest you lose weight the old fashioned way; learn how many calories you need daily, and do not consume more than that. Get more active, too.

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  36. What would happen if you do take it underage?

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    • Editor’s comments: You’d observe less of an effect.

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