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Collagen supplements should not be seen as a “quick fix” for wrinkles, experts have said, but they do have “legitimate” benefits.
New research from Anglia Ruskin University (ARU) analysed evidence from 16 reviews and 113 trials involving almost 8,000 patients worldwide.
The review found that the supplements taken over a long period could improve skin elasticity and hydration, and reduce the symptoms of arthritis, such as stiff and painful joints.
However, they did not significantly affect skin roughness.
It said the products should be positioned for people seeking “holistic” skin maintenance.
And it found the supplements represent a “legitimate” additional anti-ageing treatment for women who have gone through the menopause or patients with UV-damaged skin.
“Collagen may be best positioned not as an anti-wrinkle ‘quick fix’ but as a foundational dermal support for individuals seeking holistic skin maintenance,” researchers said.
The supplements therefore support an “inside-out model of skin rejuvenation”, the study found, acting as “agents of deeper tissue regeneration” rather than “superficial cosmetic aids”.
‘Bold claims’
Lee Smith, a professor of public health at ARU, said: “Bold claims have been made in relation to collagen supplementation and often by those marketing the product.
“For example, ‘promises’ have been made by manufacturers that collagen supplementation results in significant, rapid, and full-body anti-ageing.
“Collagen is not a cure-all, but it does have credible benefits when used consistently over time, particularly for skin and osteoarthritis.
“Our findings show clear benefits in key areas of healthy ageing, while also dispelling some of the myths surrounding its use.”
He added: “If we define anti-ageing as a product or technique designed to prevent the appearance of getting older, then I believe our findings do support this claim for some parameters.
“For example, an improvement in skin tone and moisture is associated…
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