ZMA Pro by Universal Nutrition Review | Benefits | Side Effects | Ingredients

ZMA Pro by Universal Nutrition testosterone Review

From Universal Nutrition comes ZMA Pro, a sleep aid and testosterone booster formula.

Using only 3 ingredients, we couldn’t help but wonder, will this be enough to affect your testosterone levels?

Let’s find out the answer to this question. Along with its benefits, ingredients, and potential side effects here!

Pros and Cons of

The good thing about ZMA Pro is that it’s a really simple product to take. It’s also cheap, costing around $13 for a 1-month supply.

But there are also some concerns regarding this supplement. It’s missing some key ingredients for improving testosterone and sleep. Including melatonin vitamin D3, and D-Aspartic Acid. Without these, it’s hard to tell how effective ZMA Pro will be.

It also uses a high dose of zinc, which is reported to cause negative side effects in users.


  • Easy to take
  • Cheap price
  • Contains Magnesium, which is good for muscle relaxation


  • An aggressive dose of zinc (30mg)
  • Too few daily servings, not enough to yield full benefits
  • Missing key ingredients for improving testosterone and sleep


As a sleep aid and testosterone booster, ZMA Pro claims to give you:

  • Increased testosterone levels
  • Improved strength
  • Quicker recovery times
  • Faster muscle growth

When looking at its ingredients, it will be a tough job for ZMA Pro to actually deliver on its claims.

But as always, let’s take a look under the hood to see what this product will ultimately give you.

Dosage | How To Use

ZMA Pro should be used as a dietary supplement, 3 capsules for men daily, 2 for women.

It’s best if you take it on an empty stomach as its effects will kick in faster.

Lastly, make sure to avoid taking ZMA Pro with anything that contains dairy or calcium – that’s according to the label.

Is this an optimal dosage?

While taking a T-booster only once per day (or night) might sound simple, it’s actually not the best way to take it.

In order to keep your testosterone elevated, you need to give your body a constant supply of necessary ingredients. If you only take 1 capsule per day, guess how long its effects are going to last? Not that long.

For this reason, you want a testosterone booster that contains at least 3 daily servings. This way you’ll reap constant and full benefits from its ingredients.

Still, this doesn’t make ZMA Pro a complete write off. It will still give you its benefits related to sleep and muscle recovery, but don’t expect miracles in terms of testosterone!


ZMA Pro contains only 3 ingredients. They are Vitamin B6, Magnesium, and Zinc.

Okay, it makes sense for a ZMA product to contain this few ingredients. However, if you want to boost testosterone, you need other ingredients too. Such as Vitamin D3, and D-Aspartic Acid.

In regards to sleep, this a great ingredient choice. It contains magnesium which makes your muscles and nerves more relaxed, and it also comes with a hefty dose of zinc which not only regulates testosterone, but also helps with recovery during sleep.

Lastly, we have vitamin B6 which is great if you’re deficient in it. If you aren’t, then it won’t have that much of an impact.

However, there is one key ingredient missing in ZMA Pro – melatonin. I don’t know what to make of Universal Nutrition’s decision to leave out melatonin, but it’s definitely not a smart move!

Melatonin is one of the most powerful natural ingredients for improving sleep quality. Without it, magnesium and zinc can’t really do that much on their own.

Ingredient Breakdown

Vitamin B6 (Pyridoxine HCL) – It’s important for numerous bodily functions. Most importantly, it helps strengthen your immune system and also improves cognitive function.

Zinc (Aspartate and L-Monomethionine) – Powerful testosterone regulator. A deficiency in zinc is shown to cause low testosterone levels. You lose zinc through sweat. With 200% of RDA for zinc, ZMA Pro will be sure to deliver you its full benefits.

Magnesium (Aspartate) – Important for heart, muscle, and nerve functioning. It will make you feel more relaxed and at ease when you go to bed.

Caution should be taken with high doses of zinc.

Anything over 20mg of zinc daily can cause adverse side effects, such as insomnia, vomiting, and extreme stomach pains. ZMA Pro contains an aggressive dose of zinc, 30 mg, which is enough to cause problems in sensitive people.

Side effects

Due to its high dose of zinc, ZMA Pro is reported to cause;

  • Restlessness
  • Insomnia
  • Nausea
  • Diarrhea

If you’re not sure about your zinc tolerance, I suggest starting with a low dose of ZMA Pro. Perhaps 1 or 2 capsules per day, instead of 3.

Start with a low dose and see how you respond from there. It’s always better to be safe than sorry!

What Others Say

ZMA Pro by Universal Nutrition testosterone Review

“I started using this product for 1 week and I didn’t get any results prior to its purpose for sleeping. The first night I took it on an empty stomach and it kept me up for 4 extra hours, and then I got sick after that. The next day I also took it on an empty stomach along with a Nyquil and I was not able to go to sleep either. I realize that this product didn’t work for me at all even when I use it with melatonin or Nyquil, and I think it pretty much cancel out their effects.” – khoi (Amazon Customer)

“The product works well and helps you rest at nights. I just don’t like the fact that you have to drink three pills.” – Michael Reza (Amazon Customer)

“So, too much zinc intake causes copper deficiency which can lead to peripheral neuropathy. I’ve been taking this for a week, and I think my T levels have slightly improved, but my feet feel cold on the inside but aren’t cold to the touch. I’m throwing these away and getting a regular multivitamin.” – Brian Newman

Conclusion |

So here’s our round up of ZMA Pro by Universal Nutrition;

It’s a simple, cheap, and okay product for those who’re looking to improve their sleep. But for benefits such as increased testosterone, this product isn’t the best choice.

With only 3 ingredients inside, ZMA Pro doesn’t have enough firepower to give you any serious benefits for your testosterone levels.

While it’s good for people who look for a natural and simple solution to improve sleep, we suggest looking for other products if your goal is increasing your testosterone levels.

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Testosterone Guides and Articles

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2 thoughts on “ZMA Pro by Universal Nutrition Review | Benefits | Side Effects | Ingredients”

    1. Hi Arm, it’s better to take three spread out throughout the day, that way your body will better use the ingredients. As for before or after the gym, it won’t make too much difference.

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