Check before buying
How to check a supplement claim without turning reviews into evidence
Turn an advertisement into a clear research question and separate the exact product claim from testimonials, ingredient background and original research.
Check before buying
Evidence, claims, product identity and the questions worth asking before checkout.
A useful shortlist begins with an identifiable product and a question that can be answered. These guides explain how to keep track of claims, distinguish a seller statement from evidence and prepare a clear question for a manufacturer or healthcare professional. Start with the buying checklist overview. Then use the source, certification, storage and problem-reporting guides to investigate gaps. We do not award product scores or claim to have tested bottles. Official resources are linked so you can check information in its original context. If essential identity or safety information is missing, leaving the purchase undecided is a valid result.
The seven guides cover a general buying workflow, advertising claims, certification checks, consultation preparation, problem reporting, official research sources and purchase records. They deliberately separate an observed fact from a claim or an unanswered question. You can use the saved checklist to remember your progress, but it does not award a safety score. For a health concern, appropriate care takes priority over finishing any shopping worksheet or documenting a perfect record.
Guides in this topic
Check before buying
Finding official supplement sources: a research trail you can repeat
Use FDA, NIH ODS, NCCIH and FTC for distinct questions and keep the claim, source scope and unresolved details in a clear research record.
Check before buying
What to bring to a pharmacist when asking about supplements
Prepare exact labels, actual use and a complete product list so that a supplement consultation begins with clear information rather than a brand nickname.
Check before buying
Keep a supplement purchase record that can answer a real question
Save the matching label, checkout, seller and receiving information so that a later price comparison or product question does not rely on memory.
Check before buying
A supplement problem: getting care and preserving a useful report
Prioritize appropriate care, keep the exact product and timeline information, and use FDA’s official supplement reporting instructions.
Check before buying
A supplement buying checklist: identity, evidence and checkout
Organize the product, evidence, suitability and purchase questions that should remain visible before you choose a supplement.
Check before buying
Supplement certification logos: verify the exact product and scope
Look up a supplement certification with the issuing program and keep product identity, program scope and clinical claims separate.