Collagen Supplements: Mixed Results for Skin Health, Potential Joint Benefits
Collagen, the body's most abundant protein, is found in skin, hair, nails, and joints. While some believe collagen supplements can improve skin health and reduce joint pain, recent studies paint a mixed picture.
Collagen supplements come in two main forms: hydrolyzed collagen peptides and undenatured, or native, type II collagen. Hydrolyzed collagen, primarily sourced from grass-fed Argentinian cattle or sustainably caught fish, is often used in supplements aimed at improving skin and hair, as well as joint health. Manufacturers like edubily GmbH and Aavalabs offer collagen hydrolysate powder and marine collagen with added vitamin C for collagen support.
Some studies suggest that collagen supplements may improve skin hydration and elasticity, and reduce wrinkles. However, high-quality studies and those not funded by the supplement industry did not show a significant association between collagen supplements and skin improvements. Experts recommend focusing on lifestyle factors such as sleep, exercise, using sunscreen, and maintaining a healthy diet to support skin health. Additionally, vitamin A-based products like retinol can help promote collagen production.
Undenatured, or native, type II collagen is thought to promote joint health by triggering the immune system to produce chemical messengers that tamp down inflammation. Some studies suggest that collagen supplements may help reduce pain from osteoarthritis, but more large-scale studies are needed to confirm this.
While collagen supplements may offer some benefits for joint health, the evidence for improved skin health is mixed. It's best to focus on a healthy lifestyle and proven skincare methods. Always consult a healthcare provider before starting any new supplement regimen.
