Useful in those geographical areas where the soil is likely to be selenium deficient. Vitamin E is a powerful antioxidant with the ability to stabilise cell membranes helping to protect the cell from the excess of free radicals (Free radicals are unstable atoms that can damage cells within the body) . Vitamin E and Selenium are both of equal importance for natural growth, fertility and optimum muscle function. This product also contains Lysine an important Amino Acid that is vital for muscle health.