ZMA Views 6 meanings found ZMA is chiefly known as a zinc‑magnesium supplement used by athletes, while it also refers to related mineral compounds and, less commonly, to snack products or zoo management agreements. Medical Zoo Management Agreement Zinc Monomethionine Aspartate Miscellaneous Zinc and Magnesium sports bar snack food Community Zomi Momno Association Academic & Science Zinc Magnesium Aspartate Business Zillion Mental Anarchy