How Trustworthy Are Supplements?
Read the original on Astral Codex Ten →
Follow-up reading
↳ Highlights From The Comments On Supplement Labeling — Highlights (companion) · Oct 2022
Summary
Scott's consumer-investigation into whether supplements contain what they claim (not do-they-work). Debunks the '30-80% of supplements are fake' panic (the Newmaster 2013 + Schneiderman 2015 DNA-barcoding studies were methodologically flawed - barcoding is inappropriate for extracts - and both authors were later discredited [fraud; abuse]). Reviews LabDoor/ConsumerLab data (most supplements accurate; mushrooms worst), and extensively quotes Nootropics Depot's CEO on real industry malpractice (Magtein dilution, milk-thistle UV-Vis overstatement, tongkat-ali fake ratios, fadogia post-Joe-Rogan). Conclusion: the panic is wrong; simple vitamins/minerals reliable, botanicals more variable (25-50%), 'male enhancement'/Joe-Rogan products the danger zone - and a 25% labeling error usually doesn't matter (titrate to effect, like Lexapro).
Why this score
Quality 74 · Strong. A thorough, well-researched, genuinely useful consumer-investigation that corrects a widespread misconception with good detective work (the flawed studies + discredited authors), real data (LabDoor/ConsumerLab), fascinating insider material (the MYASD quotes), and a calibrated practical payoff. Top-Strong; held below the Excellent floor by the narrower/lower-stakes topic (supplement label accuracy).
Claude’s paradigm shift 50 · Moderate. Moderate - the myth-busting (the fake-supplements panic is based on discredited studies) is a fresh, useful correction.
Real-world impact 2 · Minor. 2 - genuinely useful consumer info correcting a media narrative; within-discourse, doesn't change institutions.