A comprehensive review from Anglia Ruskin University has clarified the scientific validity of collagen supplementation. Researchers analyzed data from 16 systematic reviews and 113 randomized trials involving 8,000 participants globally to separate marketing hype from clinical evidence.
The study confirms consistent benefits for connective tissue health. Participants demonstrated improved skin hydration and elasticity alongside reduced osteoarthritis pain. Older adults also experienced modest but measurable gains in lean mass and strength when using collagen as a consistent adjunct to healthy aging.
However, the data does not support collagen as an elite athletic performance enhancer. Researchers found no clear evidence that supplementation improves post-exercise recovery, reduces muscle soreness, or resolves acute tendon issues. Experts emphasize that while beneficial for long-term structural health, collagen is not a quick fix for sports performance.
Emerging research suggests collagen may offer value when combined with other proteins due to its high glycine and proline content. Scientists continue investigating optimal dosages and nutrient interactions to refine public guidance on this widely used supplement.