Collagen is a protein needed for bone and skin health. Possible side effects of collagen include stomach upset, allergic reactions, and a rare skin reaction.

Liquid collagen can help rejuvenate skin and increase elasticity. It may also support heart health, bone and joint health, ...

Collagen is a type of protein. Certain foods, such as animal skin and ligaments, are rich in collagen. Collagen is also available as a supplement. Many people hoping to support the health of their ...

Collagen isn’t just one protein; it’s a whole family of proteins. And it’s the most abundant protein in the human body. We ...

Gelatin and collagen both support aspects of healthier skin, nails, and joints, though they differ in structure, absorption, and the extent of evidence that supports these potential benefits.

Collagen is one of the latest buzzwords in health. It’s hard to escape a grocery store without seeing tubs of powdered collagen or browse in a drugstore without noticing creams that claim they’ll ...

Medically reviewed by Barbie Cervoni, RD Collagen supplements can improve skin elasticity and hydration as you age.Collagen ...

Collagen supports hair structure and scalp health, while keratin repairs hair strands and enhances hair smoothness and shine. Biotin enhances keratin production for stronger, thicker hair. For ...

Fig. 1. Influences of treatments on skin hydration indexes, including water content (A) and Transepidermal water loss (TEWL) of volunteers (B) *: Intra-group significance difference, P ...