rct
    2014

    A clinical trial to investigate the effect of Cynatine HNS on hair and nail parameters

    Beer C, Wood S, Veghte RH

    Published in The Scientific World Journal

    Methodology

    Randomized, double-blind, placebo-controlled trial in 50 women taking 500 mg solubilized keratin plus vitamins and minerals daily versus maltodextrin placebo for 90 days, with hair and nail strength and appearance endpoints.

    Key Findings

    Participants taking the keratin supplement showed statistically significant improvements in nail strength and appearance versus placebo over 90 days.

    Conclusions

    Solubilized keratin supplementation improved hair and nail parameters within 90 days.

    Limitations

    Small single-centre trial, female-only sample, industry-developed proprietary product, short duration, subjective appearance endpoints.

    Outcomes Measured

    The results show that subjects taking Cynatine HNS showed statistically significant improvements in their hair and nails when compared to placebo.

    Study Details

    Year:2014
    Sample Size:50
    Duration:13 weeks
    Quality Score:5/10

    Disclosures

    Funding

    Product manufacturer (Cynatine HNS)

    This information is for educational purposes only. Always consult a healthcare professional before starting any supplement regimen.