The science of beauty supplements

The claims these supplements make are still doubtful. Many products have little or no data to support their claims substantively.

  • Biotin will not aid in hair growth unless you're deficient in the nutrient, which is rare.
  • Collagen supplements probably won't keep your skin looking youthful.
  • Turmeric, a food ingredient promoted for its anti-inflammatory effect, was dismissed as insignificant by many scientists.
  • The data on probiotics, apparently showing promise for atopic dermatitis, is not conclusive.

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