Supplement guides
Supplement guides, page 5
Plain-English guides on labels, doses, real prices, free trials and refunds. Written to help you check a product, not to sell you one.
How to compare two supplements side by side
A repeatable five-step comparison of two supplements, with a worked example of GlucoBerry and Gluco Extend and a checklist to copy.
RefundsHow to dispute a supplement charge with your credit card
Chargeback basics for supplement orders: when to ask the seller first, the 60-day rule, what to send, and what to do if the card issuer says no.
ResearchHow to read a PubMed abstract for a supplement claim
A five-minute method for reading a PubMed abstract behind a supplement claim: design, sample size, endpoints, product match and funding.
LabelsHow to read the other ingredients section of a supplement label
What the other ingredients line covers, how FDA rules order it, which allergens must appear, and a short checklist for reading it.
RegulationHow to report a supplement problem to the FDA (MedWatch and the portal)
What to do after a bad reaction, how the Safety Reporting Portal and MedWatch differ, what to gather, and where to send ad complaints.
RefundsHow to request a ClickBank refund, step by step
Steps to request a ClickBank refund at CLKBANK.COM, what to write, what to keep, how long it takes and how to stop repeat billing.
ResearchHow to verify a supplement company address and phone number
What the label must show, and a step-by-step way to check the company address, phone number and records behind a supplement offer.
SafetyIron supplements: what the label warning, dose and upper limit mean
Iron labels carry a mandatory child-poisoning warning. Learn the RDA, the 45 mg adult upper limit and why a blood test comes before a bottle.
IngredientsL-theanine for sleep and stress: what to check before you buy
What L-theanine studies used, how modest the stress evidence is, and how to spot labels that name it but hide the amount.
LabelsLiquid supplement drops and sprays: how to read the label
Dropper and spray labels checked: serving size in mL, servings per bottle, what fits in 1 mL, nanogram doses and absorption claims.
Guides are general information, not medical advice. Read how we review and our medical disclaimer.