Collagen style II có tác d?ng h? tr?o t?ng sinh d?ch kh?p, ph?c h?i s?n kh?p b? t?n th??ng, duy trì ?? d?o dai c?a s?n kh?p. Do ?ó mà b? sung Collagen variety II giúp các kh?p v?n ??ng tr?n tru, linh ho?t, h?n ch? ?au nh?c x??ng kh?p.An mistake happened when saving your issue. You should report it to the web site administrator. Supplemental