skin, hair and nails
Zinc and biotin contribute to the maintenance of normal skin.
Zinc contributes to the maintenance of normal hair and nails.
Proksch et al., Skin Pharmacology and Physiology, 2014
n = 114 · 8 weeks · randomised, double-blind, placebo
Reduced eye wrinkle volume and increased type I procollagen versus placebo.
Double-blind trial, 60 days, 300 mg/day
n = 50 · 9 weeks · double-blind, placebo
Improved skin elasticity and barrier function.
Novel Food authorised in the EU (2026), maximum 500 mg/day.
None of these phrases is authorised for a food supplement in the European Union. That is why you will not see them here.
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