Collagen is the most abundant protein in our body. It gives elasticity, strength and stability to many tissues, including skin, bone, ligaments and tendons. Collagen supplements are often promoted as beneficial for joint care or hair, nail and skin care. But what does the science say?
What is collagen?
The structure of collagen has a triple helix arrangement of long chains of amino acids – like a rope with many fibres intertwined. This gives collagen a lot of strength, so it's
