Uses of Collagen Peptide - Improves elasticity of skin - Provides wrinkle-free skin - Prevents ageing of skin - Prevents the deterioration of joint cartilage - Builds muscle mass - Prevents bone weakness - Improves cardiovascular health - Maintains healthy weight - Improves health of nails and hair - Improves gut health Side effects of Collagen Peptide - Stomach cramps - Diarrhea - Rashes - Nausea and vomiting There is insufficient information about Interactions of Collagen Peptide. The suggested dosage of Collagen Peptide is 2.5-10 grams.