Zinc, Magnesium & Vitamin B6

Zinc, Magnesium & Vitamin B6 and 3 near-identical products are sold under 3 different brand names — a exact-twin Formula Twins cluster.

Product	Brand
Zinc, Magnesium & Vitamin B6	Sierra Fit
Zinc, Magnesium & Vitamin B6	Sierra Fit
ZMA 2000	Beverly International
ZMA with Boron	5% Core