Optimum Nutrition ZMA

Rated 4.82 out of 5 based on 119 customer ratings
4.82
119 Reviews
(120 customer reviews)

$14.99$24.99

ZMA by ON is formulated with very potent ingredients, Zinc Monomethionine Aspartate, Magnesium Aspartate, and Vitamin B6. When combined, these ingredients have been clinically shown to increase athletes testosterone by 43.7% and raise IGF-1 levels by 25%. Along with the hormonal increase, Zinc, Magnesium, and B6 are also known to increase strength and give a more restful sleep. So, if you want to get the most from your hard work in the gym and tip the scales in your favor, then why wait? Get ZMA by Optimum Nutrition today.

Options: 90 Capsules, 180 Capsules
Clear

Options: 90 Capsules, 180 Capsules

Have you ever heard the saying "You don't grow inside the gym, you grow while your sleeping"? Well, that simply saying just happens to be true. During sleep our bodies release hormones that repair torn and damaged muscle fibers causing us to gain muscle. Due to this very important anabolic growth window, Optimum Nutrition introduces its night time recovery formula called ZMA by ON. This formula will move the scales in your favor and get the results you deserve.

ZMA by ON is formulated with very potent ingredients, Zinc Monomethionine Aspartate, Magnesium Aspartate, and Vitamin B6. When combined, these ingredients have been clinically shown to increase athletes testosterone by 43.7% and raise IGF-1 levels by 25%. Along with the hormonal increase, Zinc, Magnesium, and B6 are also known to increase strength and give a more restful sleep. So, if you want to get the most from your hard work in the gym and tip the scales in your favor, then why wait? Get ZMA by Optimum Nutrition today

Available Sizes

Optimum Nutrition ZMA 90 Capsules
Optimum Nutrition ZMA 180 Capsules

Warnings

Discuss with your physician before taking if you have a medical condition or are taking any prescription medications. Stop use and discuss with your physician if any negative effects occur. Do not exceed the suggested dose. Do not take if pregnant or lactating. Must be 18 years old to use this product. Keep away from children. Do not use if the seal has been tampered with. Store in a cool, dry place.

Serving Size: 3 Capsules
Servings Per Container: 30

Amount Per Serving

Magnesium – 450mg
(as aspartate)
Zinc – 30mg
(as monomethionine and aspartate)
Vitamin B6 – 10.5mg
(as pyridoxine HCl)

Other Ingredients:
Gelatin, Rice Powder, Magnesium Stearate.

Global Disclaimer

Manufacturers continually change product specifications, descriptions and ingredients. While we try our best to keep all product information up to date, it may not reflect the latest information available from the manufacturer. Product packaging may contain different or additional information, including the product description, nutritional facts, ingredients, allergens and other information. Always read labels, warnings, and directions and other information provided with the product before using or consuming a product. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition. For additional information about a product, please contact the manufacturer.

Take 2 or 3 capsules daily on an empty stomach 30-45 minutes before bedtime. For best results, men should use 3 capsules daily. The recommended dosage for women is 2 capsules per day. Avoid taking with dairy or other calcium-containing foods or supplements.

Additional information

Weight 3.2 oz
Dimensions 8 × 6 × 6 in
Options

90 Capsules, 180 Capsules

120 reviews for Optimum Nutrition ZMA

  1. Rated 5 out of 5
    4.82
    119 Reviews

    J

    I have tried a bunch of different weight loss pills, nothing compares to this product. I have lost 45lbs. I am a healthy 120 lbs! I get a little gittery but nothing I can’t control (kind of like the energy), and it definitely helps when I weight lift! Recommend to everyone.

  2. Rated 5 out of 5
    4.82
    119 Reviews

    Joe

    I being honest this product really works with ephedra , you sweat while seating down working or working out. I was not hungry, When I go to buffet I use to eat two plates and now I just 1/2 plate, I use to be depress weight 450 pounds in past and now I went down to 235 in one year, I’m good healthy, no problems

  3. Rated 5 out of 5
    4.82
    119 Reviews

    Erndog

    I used to take Xenadrine with ephedra when it was legal. Ever since they banned ephedra because some dumb fools could not follow directions or were to impatient to lose weight lost their lives instead. I tried everything even crushed caffiene pills in my Rockstar to get the same effect and nothing. I saw this product and took a chance and I am very impressed. I love the energy. No more crushed caffiene pills in my rockstar. And I’ve dropped 20 pounds in two months with lots of cardio and eating right.

  4. Rated 5 out of 5
    4.82
    119 Reviews

    Sadies

    I have taken this pill since 2007 I love the great results it has done to me, I was at a weight of 169lbs. currently at this time I am at 117lb. which has really boosted my confidents.. Thank you it has changed my life.

  5. Rated 5 out of 5
    4.82
    119 Reviews

    Sammi

    I used this product for about a year, and I lost weight and kept it off! I loved it! After a year, my body became immune to it, and I got off of it. I did put some weight back on when I got off of it, but it worked great when I was on it!

  6. Rated 3 out of 5
    4.82
    119 Reviews

    cyclne79

    I took this stuff over the summer and it worked pretty well. It made me jittery though. Dont recommend using it before a workout.

  7. Rated 5 out of 5
    4.82
    119 Reviews

    Bri

    This product suppresses your appetite really well & gives an obvious boost of energy. It’s a really great way to start your weightloss commitment because you’ll lose pounds rather rapidly in the beginning. Great motivation to continue your workouts!

  8. Rated 5 out of 5
    4.82
    119 Reviews

    E-Panther

    After trying Hydroxcut Hardocre, Lipo 6 and other BS Supps. from GNC, a personal trainer recommended this to me, so, after one bottle I have gone from 202 down to 187. I focus on building lean mass and I wanted to uncover my gains. This product was absolutely amazing. I would recommend this to anyone who knows what they are doing in the gym. It’s not for your average joe.

  9. Rated 5 out of 5
    4.82
    119 Reviews

    Fatty

    I’ve struggled with weight my entire life! Finally-there’s actually the magic pill. I have tons of energy to help me work out and i see results immediately!!

  10. Rated 5 out of 5
    4.82
    119 Reviews

    Anonymous

    This product is great! I don’t get the shakes like the older ephedra-based products and my appetite is really supressed.

  11. Rated 5 out of 5
    4.82
    119 Reviews

    Ace

    I have tried many energy, fatburners, and none has ever worked. A friend let me try Stimerex and I was really surprised, it really worked. I was not hungry at all, the entire day. It did give me the jitters a little, but it also gave me energy. Great stuff!

  12. Rated 5 out of 5
    4.82
    119 Reviews

    Bob

    What more can you say about this stuff, it’s real ephedrine mixed in with a nice cocktail of 1,3Dimethalene, Caffeine, and yoshimbre bark. I usually take on in the morning and one around noon. Shit makes you feel great, and I’ve been slowly losing weight while keeping my strength up.
     
    TLDR – A++ Would buy again.

  13. Rated 5 out of 5
    4.82
    119 Reviews

    hazel_eyes

    Love it! It gives you energy and helps with hunger…

  14. Rated 5 out of 5
    4.82
    119 Reviews

    Dejah

    Stimerex-ES with Ephedra is an awesome product, I started taking it regularly about 3 weeks ago and have loved the effects of having more energy and being less hungry. I also recently went on a 7-day cruise and took it each day as recommended as I didn’t want to gain a lot of weight on vacation, well it worked great.. hope this product stays around as you’ve got me sold!!

  15. Rated 5 out of 5
    4.82
    119 Reviews

    fashexplosion

    We love this product. It gets us up and energized at 5am every morning. Unlike coffee we don’t feel jittery. I don’t know how healthy it is but it makes us feel great. The outer coating doesn’t taste good if it happens to dissolve a little on your tongue, I would prefer a capsule or something that doesn’t have any taste.

  16. Rated 5 out of 5
    4.82
    119 Reviews

    Rubianna Duran

    I love these pills! I have lost 20 pounds and it gave me enough energy to get through a half marathon.

  17. Rated 4 out of 5
    4.82
    119 Reviews

    Molot

    Good stuff

  18. Rated 5 out of 5
    4.82
    119 Reviews

    Rubianna

    I really love the Hi-Tech pharmaceuticals Stimerex-Es w/Ephedra. I have lost over 20 pounds and it give me energy.

  19. Rated 4 out of 5
    4.82
    119 Reviews

    ATTITUDE

    I believe in the Stimerex ES it has helped me achieve and maintain my weight goals without having to sacrifice the foods I love. It helps with the lathargy you feel while changing eating habits kept me alert without the high speed jitters you can get with fatburners. Easy to cut in half if its later in day. I will continue to refer people to Stimerex ES with Ephedra for their ongoing weight loss and maintenance. Its a good life!

  20. Rated 5 out of 5
    4.82
    119 Reviews

    Nick

    I’ve tried a lot of fat burners, and I mean A LOT. This is one of the only ones that actually worked for me. Love that the DMAA is in it. My workouts are fantastic, I have so much energy and drive in the gym and I sweat a ton for cardio. I’ve lost close to 20 lbs. in 2 months. Will buy again.

  21. Rated 5 out of 5
    4.82
    119 Reviews

    Nene

    I’ve been using Stimerex-EX with Ephedra for 8 years nows and it helps suppress my appetite amazingly. I still eat, I just eat smaller portions and not dinner portions at every meal! Great for morning work outs but can cause a little nausea on an empty stomach, like too much vitamin intake kind of feel. I only take 2 pills a day and I’m good all day.

  22. Rated 4 out of 5
    4.82
    119 Reviews

    Body Builder

    I’ve used this product for years and i love how the thermogenics work. There’s nothing like having the ephedra in there either. The only thing that kept me from giving 5 stars is when i received my order it was the old pill style instead of the new capsule. The capsules seem to work quicker and no odd taste from a coating.

  23. Rated 5 out of 5
    4.82
    119 Reviews

    NenaCBM

    My Fiance is of athletic build, as for myself not so much. 2 weeks ago He order Stimerex-ES and I can honestly say as person who has struggled with weight gain over the yrs , this seems like ‘so far’ has had the better resuts, it surpresses my appetite,gives me plenty of energy and still allows me to sleep w/o the jitery side affects and iv’e already lost 5lbs ! I thank my fiance everyday for this great find and Now Stimerex I thank you too ..will b back to post weight loss updates-sncrlyors CBMB

  24. Rated 5 out of 5
    4.82
    119 Reviews

    ArmaniScum

    Gave me amazing energy, suppressed my appetite worked wonders. Took 3 a day for 30 days and dropped the extra fat on my stomach like I wanted. I recommend this product to anyone trying to lose weight, and not muscle mass, I stayed big.

  25. Rated 5 out of 5
    4.82
    119 Reviews

    Thin man

    I would like to recommend this to others. There seems to be some confusion on what is acceptable and what is not. Ephedra is powerful and I lovc the ‘side effect’ of loosing weight. 🙂 It can have a tendency to dehydrate you, but as long as you are aware (drink alot of water) and don’t over do I don’t have a problem with it.

  26. Rated 5 out of 5
    4.82
    119 Reviews

    Lorraine

    Have never been disappointed with the product or the service.

  27. Rated 5 out of 5
    4.82
    119 Reviews

    Nene

    I’ve been using Stimerex-ES with ephedra for 5 years now and i still love it! It might be too much stimulant for some but it’s my coffee for the morning. It gets me going and I don’t crash at mid day and still manages to curb my appetite throughout the day. I only take 2 a day and haven’t felt the need to increase that dosage at all. Love it, highly recommend it (to those who DO NOT have heart problems)!

  28. Rated 5 out of 5
    4.82
    119 Reviews

    Tony

    I found exactly what I was looking for. Ordering was easy and the shipping lightning fast!! Thank you

  29. Rated 5 out of 5
    4.82
    119 Reviews

    Cricket

    I Love stimerex it gives me so much energy never felt so much i recommend stimerex hardcore to everyone who is trying to lose weight and it’s great for for suppressing your appetite

  30. Rated 5 out of 5
    4.82
    119 Reviews

    Mike

    Smoothest ephedra no crash does its job. Ordered 3 more after my first bottle.

  31. Rated 5 out of 5
    4.82
    119 Reviews

    Nene

    Gets you up and going, no crash feeling and curbs my appetite like I need it to. I still eat when I take it, 2 pills last me all day…I just don’t gorge like I do without it.

  32. Rated 3 out of 5
    4.82
    119 Reviews

    paul uk

    Took them to lose wight…trained hard lost 3lb in 4 weeks!!!!! Was that the tablit??? Or training hard….. Had more power in gym trained longer…. Thanks

  33. Rated 5 out of 5
    4.82
    119 Reviews

    marina

    This is a very good product and it works

  34. Rated 5 out of 5
    4.82
    119 Reviews

    BecozYummie

    Was abit skeptical when ordering this product as it’s hard to get anything stimulant based that actually works, without purchasing it illegally (in Australia anyway). This shit works, I personally use it as a preworkout during cutting season to give an energy boost and increase metabolism/fat burning. Great product, will buy again !

  35. Rated 5 out of 5
    4.82
    119 Reviews

    George

    I could go longer without feeling hungry and I lost weight! It’s a good product! If you start to get jittery, drink a big glass if ice cold water!

  36. Rated 5 out of 5
    4.82
    119 Reviews

    Miguel

    Same great results as usual, best in the market.

  37. Rated 5 out of 5
    4.82
    119 Reviews

    Andrew

    I’m writing this review because I truly believe this is the best weight loss supplement out in the store, I know it’s always in the top 10 best sellers on this website but honestly it should be #1. I recommend this for anyone who is serious about losing weight. Losing weight with this supplement is great but when you surround this with a healthy diet the result you get are unbelievable. Definitely a must have!

  38. Rated 5 out of 5
    4.82
    119 Reviews

    Worster.Corey

    Dear Consumers,
    The first week on this supplement has been interesting… As a 160 lb high school athlete, and novice bodybuilder, I found myself within the 15-20 percent body fat range. Working out three times a day,(upper in the morning, lower in the afternoon, and core at night) I found myself climbing the steep mountain of progressively carving my abs. Since 15-20 percent range is known as ‘deadman’s’ land, due to the fact of a high percentage of those who quit once they reach this range. I found stimerex es and was immediately hooked. The first 2 days of application of the supplement I found myself jittery. The head-rush/burst of energy was outstanding. Hard to get used to at first, but was slowly mitigated as I built up my tolerance. Stimerex does an excellent job suppressing appetites. Stimerex has limited me down to 1 serving (small severing may I add) instead of the two or three larger servings. I started my regiment on a Monday and now (on Thursday) I’ve lost 7 lbs. I’ve had more energy (controlled energy) than ever. I strongly recommend this for anyone, especially ones who want to lose the rest of their stomach fat when routine workouts just won’t cut it. The results are not severely dramatic, and they shouldn’t be. 5 stars definitely!

  39. Rated 5 out of 5
    4.82
    119 Reviews

    Amer

    Wow I have seen so many reviews on this tablets and just thought lets give it a shot, but back in my head I was thinking it couldn’t be that good. I bought these tablets about a month ago and I have been taking two tablets trust me I have lost freaking 4 kilos and its just unreal. It did effected my wife differently she lost about 2 kilo or just more. Well I am really happy with this tablets a must buy if u are really serious about losing weight…..!

  40. Rated 5 out of 5
    4.82
    119 Reviews

    bbraun

    This stuff really does give me energy and has helped me loose about 8 pounds so far. I am really not a big person, so it has helped me loose the little fat around my belly and love handles.

  41. Rated 4 out of 5
    4.82
    119 Reviews

    Jasonace

    Gives me a nice clean flow of energy for when I go to work I go and and get stuff done my favorite energizer one of the best I have seen since the band on stuff that works

  42. Rated 4 out of 5
    4.82
    119 Reviews

    Billy

    At first I got a lot of energy for 4 hours on one pill, it’ll get you through your workouts no problem. There is a point when your body will get use to having it at which point you’ll need to cut back on taking it for a week. But so far I’ve lost 10 pounds in a month and gained a lot of strength even when not taking it on my (off the pill week).

  43. Rated 4 out of 5
    4.82
    119 Reviews

    Erin A

    This product made me very sick, when I used it as the bottle instructed. I guess it was too strong for my body ( I am fairly small). I took two or one pills a day and that was more tolerable. I got good results with diet and exercise. I wouldn’t use it as a pre workout for cardio!!!

  44. Rated 5 out of 5
    4.82
    119 Reviews

    cheryl

    Been using for year always good to have sometimes gard to find except now I just order online but al in all I wouldnt change product

  45. Rated 5 out of 5
    4.82
    119 Reviews

    marcy

    Me and my husband both use we have kept our weight off we had lost and great energu

  46. Rated 5 out of 5
    4.82
    119 Reviews

    carol redman

    I really like the stimerex-es. I would tell my friend to try it.

  47. Rated 5 out of 5
    4.82
    119 Reviews

    Noemi

    i love these pills they help with weight loss and gives me a lot of energy one pill every other day does awesome for me!

  48. Rated 5 out of 5
    4.82
    119 Reviews

    Lorraine

    I enjoy the convenience of shopping on line and the fast efficient delivery. The product I love.

  49. Rated 5 out of 5
    4.82
    119 Reviews

    bre

    I love this product because it helps me to get everything done. Being a housewife is a hard job when its 24.7 and this pill helps me to accomplish the house and many many other tasks. Helps 100%

  50. Rated 5 out of 5
    4.82
    119 Reviews

    emanuele

    great product!

  51. Rated 5 out of 5
    4.82
    119 Reviews

    hrsy

    I usually order the Black Widow pills with ephedra. I decided to try something different. Even though these cost more, I decided to try them. Now, they are the only thing I will ever order again. I LOVE them. Great for energy, appetite control and much more. Very happy.

  52. Rated 5 out of 5
    4.82
    119 Reviews

    Jaete

    It really works for me…good stuff!!

  53. Rated 5 out of 5
    4.82
    119 Reviews

    Smitty

    We love this product been using it now for about 4 years…

  54. Rated 4 out of 5
    4.82
    119 Reviews

    Laura85

    Pretty good product! Definitely suppresses the appetite. Only problem is it made me nauseous and overall fidgety for the first 2 weeks. But I lost 10 pounds in that time! And after that my body got used to it and just made me able to control my appetite and make healthier choices. Overall, very pleased and would purchase again!

  55. Rated 5 out of 5
    4.82
    119 Reviews

    Casey Hanlin

    They work great

  56. Rated 5 out of 5
    4.82
    119 Reviews

    Sumo

    Hands down the best weight loss pill I have ever taken. Gives you a ton of energy with out crashing. I started with one a day and I loved how I felt during and after my workouts. Keeps you foucsed and energized throughout the day. I highly recommend this product.

  57. Rated 5 out of 5
    4.82
    119 Reviews

    Marcelo

    the product meet my spectations, and I’ll pump you up, always offers what I want.. products… delivery time.
     Thank you guys.

  58. Rated 5 out of 5
    4.82
    119 Reviews

    Scott Kaplan

    Product is great formula for energy, and to help burn fat!

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