Collagen is a popular supplement believed to offer several benefits, particularly related to skin, joints, and overall tissues. Here are some of the main benefits backed by research:

1. Skin Health: Collagen supplementation has been shown to improve skin elasticity, hydration, and reduce wrinkles¹²³. Research indicates that hydrolyzed collagen (collagen peptides) is effective in enhancing skin moisture levels, elasticity, and reducing the appearance of wrinkles when taken consistently for at least 90 days¹⁴.

2. Joint Health: Collagen constitutes a major part of cartilage, which cushions joints. Supplementation has been found to improve joint mobility and reduce pain, particularly in conditions such as osteoarthritis⁵. Studies suggest that collagen can help in maintaining joint integrity and potentially slow down degenerative joint conditions².

3. Overall Tissue Repair: Collagen is essential for the structural integrity of connective tissues. It plays a role in wound healing and the repair of tissues all over the body, including bones, tendons, ligaments, and muscles⁵.

4. Muscle Mass: There is some evidence indicating that collagen supplements might help increase muscle mass in people experiencing sarcopenia (age-related loss of muscle mass). This is likely due to collagen’s role in maintaining and repairing muscle tissues⁵.

Do note, however, that most of the research available is either funded by parties with potential conflicts of interest or lacks long-term data to conclusively support these claims²⁵.

Footnotes

1. Effects of hydrolyzed collagen supplementation on skin aging: a systematic review and meta-analysis - PubMed ↩ ↩²

2. Collagen Supplements for Aging and Wrinkles: A Paradigm Shift in the Fields of Dermatology and Cosmetics ↩ ↩² ↩³

3. Evaluation of the Efficacy of a Hydrolyzed Collagen Supplement - PubMed ↩

4. Oral Collagen Supplementation: A Systematic Review - PubMed ↩

5. Collagen peptides supplementation improves function, pain, and physical and mental outcomes ↩ ↩² ↩³ ↩⁴