Choosing Supplements — What to Actually Look For
The supplement market has thousands of brands and tens of thousands of products. Most of them make similar claims. This section gives you the tools to evaluate products independently — without relying on brand marketing.
Quick checklist
- Third-party tested (NSF, USP, Informed Sport)
- Ingredient dosages match clinical evidence
- No proprietary blends hiding actual amounts
- Bioavailable form of the nutrient used
- No unnecessary fillers or allergens
- Brand has verifiable manufacturing standards (GMP)
Guides in this section
01
What to consider when choosing brands
Manufacturing standards, transparency, third-party certifications and red flags to watch for.
Read guide02
Natural vs. synthetic — is it really that simple?
The "natural" label in supplements is largely unregulated and often misleading. What the evidence says.
Read guide03
How do I know if a product is effective?
How to read labels, evaluate ingredients against clinical evidence and spot underdosed products.
Read guide04
Independent laboratory testing — why it matters
What third-party testing certifications mean, which are credible and how to verify them.
Read guide