Ingestible Beauty

Collagen and beauty supplements — with a clear read on the evidence.

The Best Collagen Peptide Powders
The best-selling supplement in beauty. Here's what to look for and what to expect.
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The Best Marine Collagen Supplements
Smaller peptides, pescatarian-friendly, and the type most studied specifically for skin.
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The Best Skin, Hair & Nail Supplements
Biotin, hyaluronic acid, and blends — including where the evidence genuinely runs thin.
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