Posted 16 March 2026

If there is one claim that should irritate any nutritionist who values scientific evidence, it is the promise that hydrolyzed collagen can reduce wrinkles and visibly improve the skin.

This opinion concludes: “When it comes to collagen supplementation, reported benefits generally appear mainly in small, weakly designed, or stakeholder-funded studies. As methodological rigor improves and conflicts of interest lessen, the observed effects tend to decrease and often vanish.”

Read the article at the American Council on Science and Health website

In the event the article is not available, it is reproduced here:

Collagen for Skin Health: Science or Marketing?

By Mauro Proença — Mar 12, 2026

At first glance, the idea sounds persuasive. However, after ingestion, the body breaks down collagen, like any other protein, into amino acids and peptides. These compounds enter the bloodstream and support the body’s broader metabolic needs. This fact alone doesn’t … Read the rest