Collagen supplements fail to deliver on skin and joint promises, experts warn

Collagen supplements promise rejuvenated skin and restored joints, yet experts warn these claims lack solid evidence. A recent meta-analysis by medical science communicator Alexander Bikanov found no real benefits from the widely marketed products. Despite bold guarantees from manufacturers, scientists argue the supplements fail to deliver on their expensive promises.

Collagen supplements break down into amino acids during digestion, but these do not signal the body to produce new collagen or target specific areas. Unlike whole proteins from food, their pre-bonded structure makes them ineffective for boosting protein intake. Studies suggesting improved skin elasticity or reduced wrinkles often rely on flawed methods, falling short of 'gold standard' research practices.

Over the past five years, respected institutions like Harvard Medical School, the University of Sydney, and the University of Modena and Reggio Emilia have conducted rigorous meta-analyses. Their findings consistently show no meaningful impact on skin hydration, joint pain, or osteoarthritis. For severely damaged joints, the only proven solution remains surgical replacement with an endoprosthesis. Experts, including dermatovenereologist Bikanov, recommend a balanced diet over costly supplements. The trend persists, however, as marketing promises cloud judgement—even among those usually sceptical. As Faina Ranevskaya once remarked, *'Many complain about their looks, but no one complains about their brains.'*

The evidence against collagen supplements is clear: they do not repair joints or rejuvenate skin. With no scientific backing for their claims, consumers may save money by focusing on nutrition instead. For now, joint replacement surgery remains the sole effective treatment for severe damage.