Zinc Magnesium Aspartate is a vitamin and mineral blend made by SAN, which is designed to natural improve sleep and testosterone levels.

SAN Nutrition is a supplement brand which was founded in the USA, in 1996.

Ingredients Label

Active Ingredients

Zinc

Zinc is an essential mineral which may boost testosterone in those who are deficient (1).

Athletes lose zinc via sweat, making supplementation more necessary in the highly-active population.

The recommended daily intake is about 15mg.

Magnesium

Magnesium is another essential mineral.

Research shows that it can increase sleep quality, which is linked to increased testosterone levels (2, 3).

An effective dose for sleep improvement is around 50mg, but higher doses may be better.

Vitamin B6

Vitamin B6 has a range of positive effects.

It’s an important part of the ZMA formula due to its ability to increase the absorption of zinc (4).

Who Takes It?

Athletes wanting to improve their sleep quality and testosterone levels may benefit from using ZMA.

How to Take

Take 3 capsules at night time, before bed.

Side Effects

Magnesium oxide may have laxative effects.

Vitamin B6 may cause vivid dreams.

You may experience an increase in libido.

Pros

Very solid doses of all ingredients.
Improves sleep and testosterone.

Cons

Magnesium oxide is poorly absorbed and may have a laxative effect.

Conclusion

SAN ZMA is a typical ZMA supplement, which has solid doses of zinc, magnesium, and vitamin B6 for sleep and testosterone improvement.

The form of zinc used is great, however the large dose of magnesium oxide is not a high-quality version. Users are likely to experience some discomfort and laxative effects.

Overall you should still experience benefits with this formula, but a better form of magnesium would be more potent and easier on the stomach.