Evidence-Based Benefits
- Skin health — a 2019 meta-analysis of 11 RCTs (n=805) found collagen peptides significantly improved skin hydration, elasticity, and wrinkles vs placebo (de Miranda et al., International Journal of Dermatology)
- Joint pain — 10 g/day collagen hydrolysate for 24 weeks reduced activity-related joint pain in athletes (Clark et al., 2008, Current Medical Research and Opinion, n=147)
- Osteoarthritis — a 2019 systematic review found collagen supplementation reduced osteoarthritis pain and improved joint function (Garcia-Coronado et al., International Orthopaedics)
- Tendon support — 15 g collagen + 50 mg vitamin C taken before exercise increased collagen synthesis markers in tendons and ligaments (Shaw et al., 2017, American Journal of Clinical Nutrition)
- Bone density — collagen peptides at 5 g/day for 12 months improved bone mineral density at the femoral neck and spine in postmenopausal women (Konig et al., 2018, Nutrients, n=131)