Amino acids and organic substances in deer antler velvet are rich and diverse as Canci Phosphate, Canci Carbonate... 20 types Amino acids such as Leucine, Lysine, Isoleucine, Methionine, Histidine, Valine, tryptophan... Hormones such as Pantocrine, Estrogen, and Testosterone also contain Collagen, Glucosamine, Chondroitin, Polysaccharide and hundreds (100) other healthy substances. 1- Benefits for Men: Deer antler velvet reinforces tendons, reduces joint, shoulder & knee pa