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What’s in a poop?

What’s in a poop?

And should you bother getting it tested?

Hillary Lin, MD

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Oct 5, 2026

Peptides get the hype. These amino acids get the results.

Peptides get the hype. These amino acids get the results.

The leucine paradox, the $20 GlyNAC stack, and why your protein shake math changes at 50.

Apr 8, 2026

•

24 min read

Your Biological Age Test Might Be Lying to You

Your Biological Age Test Might Be Lying to You

Mar 23, 2026

•

30 min read

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