Vitamin H role functions include promoting the use of trace elements and collagen synthesis, delaying the rate of aging, preventing the occurrence of cardiovascular disease, and maintaining normal development. 1. Promote collagen biosynthesis: Vitamin H can accelerate the biosynthesis of collagen, to maintain bone toughness, sports coordination, skin elasticity have a certain role. 2. Slow down the aging rate: Vitamin H can accelerate the metabolism of tryptophan in human amino acids and slow down the aging rate of the body. 3. Prevent cardiovascular disease: Vitamin H can accelerate the body’s lipid metabolism, prevent cardiovascular disease. 4. Vitamin H can improve the body’s utilization of iron, calcium and folic acid. 5. Vitamin H can maintain the normal growth and development, the growth of teeth and bones, and prevent the occurrence of bleeding gums. If you have a vitamin H deficiency, you should consult a doctor immediately and take vitamin H supplements as prescribed by your doctor. you can supplement your diet with vitamin H. Animal liver, grapefruit, grapes, etc. are rich in vitamin H, and you can also take multivitamin tablets orally as prescribed by your doctor to supplement your vitamin H deficiency.