2. Pilose antler contains phospholipids, glycolipids, colloids, hormones, fatty acids, amino acids, protein, calcium, phosphorus, magnesium, sodium and other components, among which amino acids account for more than half of the total components.

3. Ancient doctors believed that the essence of deer lies in the horn, while velvet antler is the bud of the horn, so it has the strongest power of strengthening yang and benefiting blood. Li Shizhen in Ming Dynasty said in Compendium of Materia Medica that velvet antler is good at tonifying kidney and strengthening yang, producing lean blood, nourishing marrow and strengthening bones.