Zinc

Zinc is an essential mineral involved in regulating many enzymes. It is an antioxidant and immune-boosting supplement. Mild zinc deficiency seems to be fairly common, and for this reason, taking a zinc supplement at nutritional doses may be a good idea.

Also known as: Zinc Sulfate; Zinc Gluconate; Zinc Citrate; Zinc Picolinate; Chelated Zinc

examine.com

ConsumerLabs

Wikipedia

pubMed

https://chriskresser.com/rhr-could-copper-zinc-imbalance-be-making-you-sick/