ZMA (zink, magnesium, vitamin B6)

The ZMA capsules are three times more expensive, but according to the Nutritional Information the only difference is that they have slightly more magnesium.

ZMA combined with Vitamin B6 in its formulation helps the body in many ways, such as improving sleep, the immune system, brain functions, energy and many more. It assists in metabolism and in the way minerals are absorbed in the body, as well as in controlling neurotransmitters.