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About This Product




Jim Stoppani, PhD

Owner - JYM Supplement Science

JYM Supplement Science combines real science with best-in-class ingredients and precise doses to deliver unreal results. ZMA JYM is a real, effectively dosed ZMA formula with enhanced bioavailability.

Due to the forms of zinc and magnesium used, and the addition of vitamin B6, along with added BioPerine®, ZMA JYM is the most effective way for athletes and other hard-training individuals to get adequate zinc and magnesium. These two essential minerals are critical for maintaining optimal hormone levels and maximizing muscle strength. It’s important to supplement zinc and magnesium, because you may actually be deficient in both!

Defeat Deficiencies

Research has confirmed that athletes are often deficient in both zinc and magnesium. This is due to several factors that increase the loss of these critical minerals and also decrease their uptake from food. Loss of these minerals occurs through sweat and urine, plus an increased use for recovery and protein synthesis. Reduced uptake of these minerals can happen due to refined sugars and white-flour products, alcohol consumption, calcium-rich foods like dairy, copper, as well as foods rich in phytates (phosphorous compounds found in whole-grain breads, cereals, and legumes).

ZMA JYM is designed to work with Vita JYM, which purposely doesn't include zinc and magnesium to promote better absorption of other critical vitamins and minerals, and to prevent you from getting too much zinc and magnesium.

The Science of ZMA JYM

Research suggests that ZMA has significant anabolic benefits. A study performed at Western Washington University (Bellingham) had NCAA football players take ZMA or a placebo every night during an eight-week spring training program. Researchers reported that the athletes taking the ZMA supplement experienced more than a 30-percent increase in testosterone levels, and about a 5-percent increase in levels of insulin-like growth factor 1 (IGF-1). Those taking a placebo had a 10-percent decrease in testosterone levels and a greater than 20-percent decrease in levels of IGF-1!

In addition to the improvements in their anabolic hormone levels, the ZMA-supplemented athletes made significantly greater gains in strength and power, and achieved better sleep quality, than the placebo group. Better sleep quality helps promote muscle recovery from tough workouts. These benefits occurred in the ZMA group despite the fact a dietary analysis found that the athletes were consuming well over the recommended intake for zinc. In addition to the study performed at Western Washington University, several other studies suggest that zinc and magnesium offer potent anabolic properties.

A 2007 study from Selcuk University (Konya, Turkey) reported that four weeks of zinc supplementation in men increased testosterone levels at rest and after exercise. The same researchers also found similar results for zinc supplementation on testosterone levels in a prior study with competitive wrestlers.

On the other hand, researchers from the USDA reported that zinc depletion decreased muscle endurance in subjects. This means that maintaining optimal zinc levels is critical for your ability to complete a number of reps with a given weight.

The same Western Washington University team that performed the aforementioned ZMA research discovered in an earlier study that, when subjects supplemented with magnesium while following a seven-week leg training program, their leg strength increased by 20-percent more than those taking a placebo!

Real ZMA, Unreal Results

I formulated ZMA JYM to avoid five common mistakes that undermine many other ZMA products. These fatal mistakes include:

Not Using Real ZMA

ZMA is not just zinc, magnesium, and vitamin B6 thrown into a bottle. ZMA is specific forms of these minerals that enhance their uptake and utilization by the body. ZMA specifically uses zinc mono-L-methionine, and aspartate and magnesium aspartate. This is critical because there are two forms of zinc monomethionine: zinc mono-L-methionine and zinc mono-D-methionine. Only the "L" form is readily absorbed and used by the body. The human body is not able to use the "D" form.

Some bogus ZMA products use a combo of both the "L" and "D" form. The D form actually inhibits the absorption of the L form and undermines zinc uptake. If a ZMA product does not specifically list zinc mono-L-methionine, and instead lists zinc monomethionine, don’t bother with it. An easy way to ensure that a product uses real ZMA is to look for the SNAC System trademark listed on the bottle. Anything else is an imposter.


Many bogus ZMA products grossly under-dose the zinc and magnesium. A properly dosed ZMA product will provide 30 mg of zinc mono-L-methionine and aspartate, 450 mg of magnesium aspartate, and 10.5 mg of vitamin B6 per dose. In the case of ZMA JYM each capsule provides precisely 10 mg zinc mono-L-methionine and aspartate, 150 mg of magnesium aspartate, and 3.5 mg of B6. With the full 3-capsule dose of ZMA JYM, that’s 30 mg zinc, 450 mg magnesium, and 10.5 mg of B6.

Added "Testosterone Boosters"

Some ZMA products add extra ingredients to help boost testosterone levels. Unfortunately some herbal ingredients used to boost testosterone can inhibit the absorption of zinc and magnesium. Plus, most testosterone-boosting ingredients should be taken with food, while ZMA should be taken without food. If you want to optimize your testosterone levels, take a separate testosterone booster, such as Alpha JYM.

Added "Sleep Agents"

Many ZMA products add extra ingredients to help promote sleep. Common ingredients include melatonin, L-theanine, and 5-HTP. The problem with this is that you shouldn’t always need a sleep agent before bed every night. Yet if the ZMA product you’re using includes any supplements that help to enhance sleep and relaxation, taking them every night can leave you dependent on these agents, which is the last thing you want. A proper ZMA product focuses on just providing you real ZMA without any sleep agents. If you need help sleeping for a period of time, then buy a separate sleep supplement.

Added Minerals

Many ZMA products actually add other minerals to the formula. Two common minerals you may see are copper and calcium. This is counterproductive because calcium interferes with zinc uptake, as does copper. As critical as these minerals are, you should be taking them at separate times of the day, not with your ZMA.

I formulated ZMA JYM to optimize the body’s uptake and utilization of zinc, magnesium, and vitamin B6. That’s why the only thing I added to ZMA JYM is Bioperine. Research shows that this black pepper extract can enhance the absorption of zinc, magnesium, and vitamin B6 by the body.

JYM System Synergy

While it’s easy to look at a single ZMA product, or any product for that matter, and decide whether you want to add it to your supplement regimen, you need to consider ZMA JYM in relation to my other JYM products. I formulated all JYM products to work in synergy with each other. ZMA JYM is designed to work both with Vita JYM and even Pro JYM to provide all your critical micronutrients in the proper forms and doses at the specific times you need them.

As mentioned, Vita JYM is strategically devoid of zinc and magnesium because you want to supplement those two minerals as ZMA at a separate time from other minerals. Plus, you do not want to supplement with too much zinc or magnesium, which is counterproductive. Vita JYM also supplies you the proper amount of copper you need in relation to zinc, which needs to be taken at a specific ratio for best results. Vita JYM is also devoid of calcium, which interferes with the absorption of numerous minerals. Pro JYM, my high-quality protein powder blend, provides you ample calcium (400 mg per serving).

This is the way that I designed all my JYM supplements: to work hand-in-hand with one another and deliver the best possible results as a complete system. The JYM Supplement Science line is the smartest, most effective supplement line on the market. I wouldn’t create anything less for myself or for you.

Be smart and hit the JYM!


Jim Stoppani, PhD
JYM Supplement Science

ZMA JYM Features:

  • Zinc as zinc mono-L-methionine and aspartate
  • Magnesium as magnesium aspartate
  • Vitamin B6 to aid uptake and utilization of zinc and magnesium
  • 5 mg BioPerine® to enhance absorption

Under the Microscope

Let’s take a closer look at each of the 4 ingredients and doses used to make ZMA JYM the athlete’s perfect ZMA supplement.

30 mg Zinc

  • Zinc is an essential mineral and an antioxidant that stimulates the activity of many  enzymes in the body, which are critical for a multitude of biochemical reactions.
  • Zinc is known to be critical for protein synthesis, the molecular mechanism of muscle growth.
  • One study reported that four weeks of zinc supplementation in men increased testosterone levels at rest and after exercise.
  • The same researchers found similar results for zinc on testosterone levels in competitive wrestlers.

450 mg Magnesium

  • Magnesium is an essential mineral involved in numerous reactions in the body.
  • Magnesium is important for cardiovascular, metabolic, and bone health, and research has discovered that supplementing with magnesium can significantly increase muscle strength.
  •  This may be due to its ability to raise testosterone levels as suggested in one study by Turkish scientists.
  • Magnesium also enhances sleep quality due to its ability to normalize and extend stage 3 and 4 slow-wave sleep.

10.5 mg Vitamin B6

  • Vitamin B6 is a water-soluble vitamin that is a cofactor in many reactions in the body.
  •  It’s involved in the synthesis of neurotransmitters, histamine, and hemoglobin.
  • Vitamin B6 is also critical in allowing the muscles to use stored glycogen (storage form  of carbohydrate) for fuel during workouts.
  • Vitamin B6 is added to ZMA because it can aid zinc and magnesium absorption by  the body.

*5 mg of BioPerine®

  • BioPerine® is a patented extract of the fruit of black pepper, or long pepper, that contains standardized amounts of the active ingredient piperine.
  • Numerous clinical studies confirm that when a 5 mg dose of BioPerine® is taken with  other supplements, it increases the absorption of those supplements by 30 to 2,000  percent.
  • Research confirms that Bioperine increases the uptake of zinc, magnesium, and  Vitamin B6 by the body.
Directions Of Use

Take 3 capsules on an empty stomach about 30-60 minutes before bed. Females: Take 2 capsules on an empty stomach about 30-60 minutes before bed.

Warnings: Store at 15-30°C (59-86°F). Protect from heat, light and moisture. Do not purchase if seal is broken.This product contains chemicals known to the State of California to cause cancer and birth defects or reproductive harm. Do not use if you are pregnant or nursing.


* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Supplement Facts

Nutrition facts might vary based on the flavour
90 Capsules  
Serving Size: 3 Veggie Capsules
Servings Per Container: 30
Amount Per Serving % Daily Value
Vitamin B6 (as pyridoxine HCl) 10.5 mg 525%
Magnesium (as magnesium aspartate) 450 mg 112%
Zinc (as mono-L-methionine and aspartate) 30 mg 200%
Bioperine® black pepper extract 5 mg *
* Daily Value not established
Other Ingredients:
Hypromellose, Rice Flour, and Magnesium Stearate.

About This Brand

JYM Supplement Science is a revolutionary supplement company, that basis its products on science and quality. What makes JYM very special is that its owner, Jim Stoppani stands behind every single formula of the products. Dr. Stoppani is also responsible of answering any inquiries regarding JYM’s products, making it one special service that no other company provides.

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Ratings & Reviews

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Top review

By: loshakopij on 01 January 2016

It's jym do we even need to review this? Mr. Stoppani is the game changer and the best in the industry.



Good product

By: NeverLookinBack on 14 January 2016

Good product. Definitely seems to help to get good night's sleep. I'm taking it with other supplements (Pre-JYM, BCAA, L-Carnitine and multivitamins), so overall I noticed the increase in my performance. It's difficult to single out whether it's JYM ZMA or a combination of all components, however, I like this product and would definitely buy it again.


Game changer

By: loshakopij on 01 January 2016

It's jym do we even need to review this? Mr. Stoppani is the game changer and the best in the industry.


best zma

By: emp5265 on 22 December 2015

the best ZMA in the planet :-) train hard everyday !!!


Nothing at all

By: intheayer55 on 14 December 2015

Did absolutely nothing. If anything made me feel less energetic.


I will continue taking this product.

By: HeavenBeyond on 27 November 2015

Good profile, perfect match for Vita JYM, as they kind of go hand-in-hand. Three pills seems like a lot when these items are usually crammed in one with a million other vitamins and minerals. Overall, I do notice a little better recovery/gainz but that could be from other factors too (rest, routine, other supplements). The biggest pro is that I do go into a deeper, better sleep, and that could be a 4 hour sleep night or 10; I always feel like I'm getting a great night's sleep. I do, however, encounter some strange dreams. That likely goes with the territory, and doesn't really bother me; if anything it makes life more interesting. I will continue taking this product.


better before sleeping

By: rianquinn on 01 November 2015

Create support supplement when combined with PreJym and PostJym. I have noticed with this ZMA that it is better to take it about 60 minutes before bed, otherwise it can take me awhile to fall asleep.


my whole body feels better.

By: jc1514 on 20 October 2015

With a busy schedule and stressful job (law enforcement) I've been having trouble winding down and sleeping. Since switching to JYM products, my whole body feels better. Since adding ZMA (most recent JYM product), my sleep quality has increased dramatically. I also feel the need for less sleep. I will continue to use this product and as I phase out other brands of supplements, I will use JYM exclusively. I absolutely love every JYM product that I am currently using: Vita, Shred, Pre, Post, ZMA. Omega and Pro soon to follow.


Great product that does what its supposed to.

By: shotgunn81 on 30 September 2015

I have noticed that the ZMA actually does help me sleep. Whether its in my head or not I have been able to fall asleep faster. Great product that does what its supposed to.


This product worked pretty good for me

By: Novas15 on 20 September 2015

This product worked pretty good for me. My sleep and recovery seem to have improved. No negative side effects and the price was pretty reasonable. Overall good product.


Yet Another quality JYM Product

By: mistarobinson on 10 September 2015

Yet Another quality JYM Product. It allows me to sleep well and recover over night. I like how its formualted which a lot better than other brands. I dont see the need to use anything other than ZMA JYM

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