Thorne Zinc Picolinate 30mg - 60 Capsules | Thorne From supporting immune function to reproductive health, zinc is an essential nutrient that plays a key role in your health.If there was a super mineral, then zinc would be a contender. Zinc is an essential micronutrient that is crucial to more than 200 enzymatic reactions and plays a key role in growth, immune function, testosterone metabolism, and numerous other functions in your body.Clinical studies demonstrate zinc supplementation can increase general wellness, and that it has a beneficial impact on connective tissue, as well as reproductive and eye health.If the body has trouble absorbing a nutrient, then it can't obtain the nutrient’s benefits. Thorne offers two highly absorbable forms of zinc:  Zinc Picolinate and Zinc Bisglycinate.  Zinc Picolinate is zinc that is bound to the organic acid picolinic acid, which is naturally made in the body from the amino acid L-Tryptophan. Zinc Bisglycinate is zinc that is bound to two molecules of the amino acid glycine – creating a true amino acid chelate.