Vitamin A is involved in the process of formation and preservation of function of epithelial
tissues and mucous membranes, is important for fertility and is essential for vision. Vitamin
D3 regulates and corrects calcium and phosphate metabolism in blood and plays an
important role in the uptake of calcium and phosphate from the intestines. Vitamin E is as a
fat-soluble intracellular antioxidant, involved in stabilising unsaturated fatty acids, thereby
preventing toxic lipo-peroxides formation.