Supplements & Smart Stacks

Collagen, Biotin, and Other 'Beauty' Supplements

The evidence is thinner than the marketing.

The quick explanation

Collagen peptides (10–20g) show modest evidence for skin elasticity and joint comfort, especially with vitamin C. Biotin rarely helps unless you're deficient — and it can mess with thyroid lab tests.

Why this matters

Spend supplement budget on proven wins, not hopeful ones.

Tiny action step

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If you take biotin, tell your doctor before any thyroid lab — it can skew results.