Independent supplement research
How to Research a Supplement Before Buying
Use a repeatable process that makes it harder for urgency, testimonials or scientific-sounding language to substitute for evidence.
1. Capture the exact claim
Write down what the seller is actually promising. “Supports” is different from “causes,” and mechanistic explanations are not the same as clinical outcomes.
2. Read the current label
Check ingredient forms, amounts per serving, serving size, warnings and other ingredients. If amounts are not available, recognize how much that limits comparisons with research.
3. Look for finished-product evidence
Ask whether the exact product has credible human trials. If not, move down one level to ingredient research and keep that distinction explicit.
4. Prefer higher-level evidence
Systematic reviews, meta-analyses and authoritative health agencies can provide more context than a single favorable study. Check recency, population, dose, duration and limitations.
5. Check safety separately
Benefits and harms require separate research. Look for interactions, contraindications and adverse-event information from credible sources.
6. Audit the transaction
Confirm total price, shipping, subscriptions, refund rules and seller contact information. Save the terms you purchased under.