Th?c ph?m b? sung giúp c?i thi?n s?c kh?e, h? tr? ch?c n?ng c? th?, t?ng c??ng h? mi?n d?ch…Ví d? nh? th?c ph?m b? sung vitamin c.…………………………………………………………………………………………………………………  S? d?ng Glucosamine ? ng??i viêm kh?p Nh?ng ng??i b? viêm kh?p c?n s? d?ng th??ng