Amino acid
Proline
Proline is an amino acid the body can make itself. It is one of the main building blocks of collagen.
Effects by health goal
Open an effect to see the studies behind its rating. Bars show the size of the effect; the letter grades the evidence.
Hair & Skin1 effect
No study is linked to this rating.
Gut Health1 effect
No study is linked to this rating.
Bone & Joint1 effect
No study is linked to this rating.
Fitness1 effect
No study is linked to this rating.