Collagen: role, hydrolysed peptides, origins and what is proven
Collagen: its role in the body, hydrolysed collagen peptides, marine and bovine origins, Peptan, what regulations allow and the precautions for use.
skin
2 articles
Beauty supplements: hair, skin, collagen, what is actually proven
Beauty supplements for hair, skin and nails: biotin, zinc, selenium, vitamin C, collagen. What the authorised claims actually allow brands to say.