Supplement guides
Supplement guides, page 16
Plain-English guides on labels, doses, real prices, free trials and refunds. Written to help you check a product, not to sell you one.
Guides on this page
Advertorial fake news pages for supplements: how to spot an ad in disguise
Supplement ads that look like news stories: what the FTC says about disguised ads and quick tests to tell an advertorial from real reporting.
Red flagsAI-generated doctors and deepfake supplement ads: how to check
Deepfake doctors and AI avatars in supplement ads: what the FTC has said, which clues matter, and a five-minute way to check who is really speaking.
DosesAlpha-lipoic acid supplements: doses, R-ALA vs ALA, and label wording
The 600 mg trial dose, what R-ALA means, how sales pages word ALA claims, and a checklist to compare a label with the research.
EvidenceAnimal and cell studies vs human trials in supplement claims
Why a mouse study is not proof a supplement works for you, and how to spot rodent and test-tube results dressed up as human evidence.
IngredientsApple cider vinegar gummies: what the label says vs the research
ACV gummy labels list milligrams of powder and sugar. Trials used liquid vinegar. Here is what the label leaves out and how to read one.
DosesAshwagandha supplement doses: what studies used vs. what labels list
Extract form, withanolide percent and milligrams per day: how to compare an ashwagandha label with trial doses and NIH safety notes.
EvidenceDo bacopa and lion's mane help memory? What the trials show
Bacopa: 9 pooled trials, small attention gains after 12 weeks. Lion's mane: a few small trials. Compare trial doses with real memory-supplement labels.
Red flagsBefore-and-after photos in supplement ads: why they prove so little
Why before-and-after photos prove little, what the FTC says about typical results, and how to check a testimonial photo in minutes.
DosesBerberine supplement dose: what labels say vs what studies used
What berberine trials measured, how to read the berberine line on a label, and why a proprietary blend makes the dose impossible to check.
SafetyBiotin hair supplements and lab test interference: what to know
The FDA warns biotin can skew some lab tests. What label doses mean, and what to tell your doctor and lab before a blood draw.
Guides are general information, not medical advice. Read how we review and our medical disclaimer.