HUMAN NUTRITION

Detailed explanation-1: -Zinc is an essential micronutrient for human metabolism that catalyzes more than 100 enzymes, facilitates protein folding, and helps regulate gene expression.

Detailed explanation-2: -Five micronutrients-vitamin B6, vitamin C, vitamin E, magnesium, and zinc-play roles in maintaining immune function, and supplements containing them are often sold as immune boosters in doses that greatly exceed the recommended daily allowance.

Detailed explanation-3: -Determined to be an essential nutrient for humans in 1963, zinc is an antioxidant and trace mineral that we need to consume daily, since our bodies cannot store it. Zinc primarily is involved in supporting the immune system and hundreds of enzymes needed for regulatory and metabolic functions.