Twinlab ZMA Fuel Review

Editor's Review: 3.5 / 5.0

What You Should Know

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Proper hormone function is necessary for optimal energy and athletic performance. Twinlab ZMA Fuel is a supplement proven to boost hormone levels and maintain healthy hormone levels in both men and women. The supplement is taken at night before bed. There are no stimulating effects, so the dieter does not have to worry about being kept awake all night. Many reviews of Twinlab ZMA Fuel claim the supplement promotes healthy sleep patterns, though clinical studies do not support this claim. There is a clinical study backing claims of balanced hormones made by Twinlab ZMA Fuel, but the study included athletes, not the common dieter.

List of Ingredients

Vitamin B6, Magnesium, Zinc.

Product Features

The clinical study listed on the Twinlab website for Twinlab ZMA Fuel reported increasing muscle strength 2.5 times, but the only participants in the study were male athletes, therefore the study does not support using Twinlab ZMA Fuel as part of a healthy diet and exercise program if you are a female athlete, female dieter or male dieter.

The supplement should be taken on an empty stomach. Twinlab suggests avoiding calcium when taking the supplement at night, but there is no explanation about why the dieter should skip calcium. We assume calcium interacts with another ingredient in the formula, maybe magnesium?

Twinlab ZMA Fuel can be taken indefinitely. There is no mention of how long the supplement takes to balance hormones or how long the dieter needs to take the supplement to maintain healthy hormones. There is a warning that the supplement should not be used by people under the age of 18 or women who are pregnant, nursing or expect to become pregnant.

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  • May help balance hormone levels.
  • Claims to work for both men and women.
  • Some users report sleeping better while taking Twinlab ZMA Fuel.
  • Contains no stimulants so the dieter does not have to worry about being kept awake.
  • Twinlab suggests taking the supplement as part of a healthy diet and exercise program.


  • Will not promote healthy weight loss.
  • Suggested serving size is different for men and women.
  • The clinical study listed on Twinlab only pertains to male athletes.


Twinlab ZMA Fuel may promote healthy hormones in both men and women. There is even a good chance that the supplement helps dieters sleep, but the clinical trial listed on the official website pertains to male athletes. We have no idea how the supplement works for people who do not exercise regularly or those trying to lose weight. Women were not addressed in the study. The supplement will not increase metabolism or weight loss so dieter will need to stack this supplement with a fat burner.

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