What it's normally used for
ZMA (Zinc, Magnesium, Vitamin B6) is normally used by body builders and athletes, because of a belief that it raises strength levels.
Zinc, Magnesium, and Vitamin B6 improve sleep; enhances libido; boost testosterone naturally; stimulant free test booster, promotes muscle strength and growth; improves muscle recovery; supports healthy immune function; balances electrolytes
What it does for Lucid Dreaming
ZMA is *very* well known for generating vivid dreams as seen in these reviews!!
My own results
On my second night with ZMA, three of them at WBTB, I had one lucid dream.