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SOD are metal containing enzymes that depend on a bound Mg, Cu or Zn for their antioxidant activity

Vitamin E is an antioxidant, regulates oxidation during protein biosynthesis, provides ATP metabolism, protects erythrocytes from hemolysis and oxidation, prevents fatty acid oxidation, ensures the stability and activity of the epithelium of the mucous membranes of the reproductive system, gastrointestinal tract and conjunctiva, regulates spermatogenesis and reduces the number of pathologically altered spermatozoa, prevents the degeneration of the epithelium of the seminiferous tubules in males, improves fertilization and embryonic development of the fetus in females

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If long-term storage of a reconstituted vial is needed, a single freeze is preferable to cycling