Recommended Use:A factor in the maintenance of good health. Caution:If pregnant or breast-feeding, or taking tetracyclines, consult your healthcare practitioner before use. Zinc supplementation can cause copper deficiency; if you are uncertain whether you are receiving adequate copper, consult your healthcare practitioner. For adult use only. Do not use if perma seal is missing. This product is non-GMO, gluten free, and vegetarian.