Topic
Supplements
What has data and what is marketing.
Episodes
Articles
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Article
NAD+ precursors: blood levels rise, outcomes have not followed
What the NR and NMN trials measured, what changed, what didn't, and why there is no test for tissue NAD+.
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Article
Gray-market peptides, retatrutide, and the difference between a drug and a vial
Retatrutide is unapproved, so every vial sold under that name is unregulated. What the testing shows, and what the evidence for most peptides looks like.