Three marrow polypeptide powder can improve immunity, moisturize skin, delay aging and promote bone growth. According to Nanning Bao's inquiry, supplement nutrition. Three-marrow polypeptide powder is a common health care product, which can improve immunity, moisturize skin, delay aging and promote bone growth. Sheep tripeptide powder combined with goat milk powder can supplement protein, calcium, energy, brain components and spleen and stomach, which is a good nutritional supplement.