Product Guides

NOW Foods sells zinc as gluconate, glycinate, picolinate and L-OptiZinc, plus ZMA and Copper Glycinate. Here is how the doses compare with the Australian upper level and who should check first.

Swanson Zinc Picolinate provides 22 mg of zinc per capsule, with 60 capsules per bottle. Here is how that compares with daily needs and limits, and who should check first.

Life Extension sells zinc as Zinc Caps and as Zinc Lozenges. Here is how the two formats differ, the Australian daily limit for zinc and who should check first.

Optimum Nutrition ZMA combines zinc, magnesium and vitamin B6 in a capsule for active adults. Here is what ZMA is, how the doses compare with Australian limits and who should check first.