Supplement guides
Supplement guides, page 10
Plain-English guides on labels, doses, real prices, free trials and refunds. Written to help you check a product, not to sell you one.
Clinically proven supplements: how to check the claim
What 'clinically proven' really means on a supplement page, and a five-minute PubMed method to check the study behind it.
Red flagsFake doctors and testimonials on supplement sales pages: how to spot them
Unnamed doctors, stock-photo testimonials, fake timers and dramatized stories: how to check each one in minutes, and what the FTC says.
RegulationIs a supplement FDA approved? What the label really means
The FDA does not approve dietary supplements. What FDA-registered and GMP claims mean, and how to report a problem.
ResearchHow to find the ingredient list on a video sales page
Step by step: find the label, price and refund terms when a supplement sales page is a long video, plus a short checklist.
LabelsHow to read a Supplement Facts label
Serving size, amount per serving, % Daily Value and other ingredients explained with the FDA rules, plus a checklist for comparing two labels.
DosesProprietary blends: how they can hide the dose
What the FDA rule says about proprietary blends, how a blend can hide each dose, three DoseAudit examples and questions to ask the seller.
PricingThe real monthly cost of a supplement: how to work it out
A simple formula and a worked example for the true monthly cost of a supplement, including bundles, shipping, tax, add-ons and subscriptions.
DosesSupplement label dose vs clinical study dose: how to compare
How to compare the dose on a supplement label with the dose in published studies, with a worked vitamin D example.
PricingSupplement free trials and auto-ship: how surprise charges happen
How free trials, pay-shipping offers and auto-ship plans work, what to read before you enter a card, and how to cancel or dispute a charge.
RefundsSupplement money-back guarantee: what to check before you buy
Window length, empty bottles, return shipping, and sales page versus order form: the refund checks to make before you order a supplement.
Guides are general information, not medical advice. Read how we review and our medical disclaimer.