Collagen1–5 g · any
Small collagen fragments reach the bloodstream and are thought to tell skin cells to make more collagen.
Mixed · 4 of 5 studies positiveResearch →
skin hair nails · symptom
Skin Elasticity & Wrinkles
Skin that has lost some of its bounce.
Might help
Real research, but thin or split. Worth knowing, not worth counting on.1Real research, but thin or split. Worth knowing, not worth counting on.
No research yet
People take these for it. We haven’t found trials we would stand behind.1People take these for it. We haven’t found trials we would stand behind.
Calcium1000 mg · split
No trials we can vouch forResearch →