Do collagen supplements work?

A friend asked me to be using Collagen supplements in order to get a smooth and supple skin. Unfortunately, after using the supplements for about 4 months, I am yet to notice any changes. Do collagen supplements actually work?

Agnes (by SMS)

Oral and topical collagen products like supplements and face creams are popular for treating signs of aging such as wrinkles, loss of skin hydration, and joint pain. You can buy collagen in powder, capsule, and liquid form. You can take it as a supplement or add it to beverages — both hot and cold — and foods such as oatmeal, yogurt, and energy balls. Healthcare professionals also use collagen and collagen-based materials in the medical field, including in treating wounds, burns, and diabetic ulcers. Additionally, cosmetics companies use collagen in products like moisturizers and serums because of its moisturizing and humectant properties. Although research is still ongoing, there is enough evidence to confirm that collagen supplements improve skin elasticity, joint mobility and decrease joint pain such as with osteoarthritis or in athletes.

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