Vitamin A acts as a regulator of cell and tissue growth and differentiation. Vitamin D provides a hormone-like function, regulating mineral metabolism for bones and other organs. The B complex vitamins function as enzyme cofactors (coenzymes) or the precursors for them. Vitamins C and E function as antioxidants.
What are the benefits of vitamin B vitamins?
In general, B vitamins help you make energy from the food you eat and help form red blood cells, according to the U.S. National Library of Medicine. Food sources of B vitamins include animal products such as meat, poultry, seafood, eggs and dairy but leafy greens are also a source of B vitamins.