甲硫氨酸是構成人體的必需胺基酸之一，參與蛋白質合成。因其不能在體內自身生成，所以必須由外部獲得。如果甲硫氨酸缺乏就會導致體內蛋白質合成受阻，造成機體損害。體內氧自由基造成的膜脂質過度氧化是導致機體多種損害的原因。脂質過氧化物會損害初級和次級溶酶體膜，使溶酶體內含有的作為水解的酸性磷酸酶釋放出來，對細胞和淺粒體膜等重要的細胞器造成損害，甲硫氨酸通過多種途徑抗擊這些損害。

OptiZinc is a unique form of zinc, bound to the amino acid DL-methionine. Animal studies have shown that zinc monomethionine provides significant protection against oxidative damage, and prevents depletion in the brain and liver of glutathione, an important antioxidant. (Findings from animal studies may not extrapolate to humans.)

more info about OptiZinc (PDF) Supplement Facts serving size: 1 tablet Amount %DV Zinc (as zinc monomethionine [OptiZinc(r)]) 30 mg 2 Copper (as copper sebacate) 300 mcg

Other Ingredients: microcrystalline cellulose, dibasic calcium phosphate, stearic acid, modified cellulose gum and colloidal silicon dioxide. Suggested Use: One tablet daily with a meal. Warning: f you are pregnant or breastfeeding, consult your health care professional before using this product.

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