Opti Zinc Once Daily, 30mg, 60ct, Veggie Capsule -Optizinc is a complex of zinc and methionine, the amino acid that is best absorbed by the body. Studies show that Optizinc is absorbed better and retained longer than ordinary zinc supplements. -Although zinc is a trace mineral, zinc is essential to many of your bodies functions and is very important in the production of testosterone and healthy liver functions. -This supplement is a great option for people that do not eat food containing traces of zinc including red meats and potatoes. Great for vegans or vegetarians as well as people that may have a deficiency. Ingredients; Vitamin B6 (Pyridoxine HCl) 20mg Zinc (as Zinc Monomethionine [OptiZinc]) Other Ingredients: Whole rice concentrate (including kernel, polishings and hull), vegetable cellulose capsule, croscarmellose sodium, kelp and magnesium stearate.