Oral supplementation with specific bioactive collagen peptides improves nail growth and reduces symptoms of brittle nails
Hexsel D, Zague V, Schunck M, Siega C, Camozzato FO, Oesser S
Published in Journal of Cosmetic Dermatology
Methodology
Open-label single-arm study of 2.5 g/day specific bioactive collagen peptides for 24 weeks in women with brittle nails, with 4 weeks follow-up; nail growth rate and cracked-nail frequency measured.
Key Findings
Nail growth rate increased by 12% and the frequency of broken nails fell by 42%; 64% of participants reported global improvement.
Conclusions
Bioactive collagen peptides improved nail growth and reduced brittleness over 24 weeks.
Limitations
No placebo control, very small sample, self-reported outcomes and manufacturer sponsorship substantially weaken the evidence.
Supplements Studied
Bioactive collagen peptides treatment promoted an increase of 12% nail growth rate and a decrease of 42% in the frequency of broken nails.
Outcomes Measured
Bioactive collagen peptides treatment promoted an increase of 12% nail growth rate and a decrease of 42% in the frequency of broken nails.
Related Health Concerns
Study Details
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Disclosures
Funding
GELITA AG (manufacturer)
This information is for educational purposes only. Always consult a healthcare professional before starting any supplement regimen.