Lecithin: Lecithin is called the "third nutrient" alongside protein and vitamins. Lecithin is the basic substance of life.
Amino acid: Amino acid is the basic unit of protein and plays an important role in human life activities. It can be said that there would be no life activities without protein. Amino acids can delay human aging.
Vitamin E: It can delay cell aging.
Collagen: Collagen is a biomacromolecule, which is a white, opaque and unbranched fibrous protein.