Testing

Measure what matters. Then optimize it.

Biological age tests, DNA kits, microbiome tests, and continuous glucose monitors. The measurements that tell you whether your protocol is actually working — and the ones that are a waste of money.

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Testing

Best Biological Age Tests 2026

myDNAge, TruDiagnostic, Elysium Index. Epigenetic clocks compared.

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Best DNA Test Kits

23andMe, AncestryDNA, and what your genes actually tell you about aging.

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Best Microbiome Tests

BIOHM, Ombre, Tiny Health. Gut bacteria sequencing, explained.

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Best Food Sensitivity Tests

EverlyWell, Viome, and what food sensitivity tests can (and can't) tell you.

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Biological Age Explained

DNA methylation, epigenetic clocks, and why your real age isn't your chronological age.

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How to Lower Your Biological Age

The evidence-based playbook for reversing your epigenetic age.