Do collagen supplements fulfill their promises?
Ask the doctor
Q.
Many social media sites say taking collagen powder can benefit our skin, nails, and even bones. Is that really true?
A. Collagen powders and pills are certainly trendy, and they do offer some potential benefits. But it's wise to be skeptical.
The most abundant protein in the body, collagen supports our skin, hair, nails, bones, joints, and muscles. As we age, natural collagen production drops, leading to issues such as visible skin aging and joint discomfort. Certain foods, such as bone broth or the skin from chicken, fish, or pork can supply some collagen, but not much.
Some scientific evidence suggests collagen supplements can help improve skin elasticity, strengthen hair and nails, reduce joint pain, and enhance bone density. When it's taken as part of a strength-training regimen, it may also help boost muscle mass. But the research that's been done on collagen supplements is still early, and large-scale studies need to confirm these benefits. Talk to your doctor about your desire to take collagen supplements to get her take on the pros and cons.
Image: © Anna Blazhuk/Getty Images
About the Author
Toni Golen, MD, Editor in Chief, Harvard Women's Health Watch; Editorial Advisory Board Member, Harvard Health Publishing; Contributor
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