Label reading hub
Supplement label reading guides
A crawlable cluster for reading Supplement Facts panels, dose claims, testing badges, sweeteners, allergens, lot numbers, and the fine print brands hope you skip.
Last reviewed: 2026-06-28
Start with the scam check
Supplement label scams: FDA-approved claims and fake badges
Use this first when a product leans on agency language, certification badges, proprietary blends, or clinically studied dose claims.
Useful tool
Greens transparency checklist
Run a local checklist for proprietary blends, testing proof, serving math, sweeteners, and disclosure gaps.
Open checklistSource context for label claims
This cluster points readers toward existing source-backed guides and the regulator/testing references used across the label-literacy articles:
Read the cluster
Article guides
Methodology guide
Score guideHow we score a greens powder 0-100
A plain-English guide to NutriScore's buyer score: label transparency, dose clarity, testing posture, claim discipline, additives, and price context.
Last reviewed: 2026-06-03
Scam check
Trust checkSupplement label scams: FDA-approved claims and fake badges
A practical guide to FDA-approved supplement claims, fake or weak testing badges, proprietary blends, and clinically studied dose language.
Last reviewed: 2026-06-04
Blend guide
Dose clarityProprietary blend is a red flag: how to read past it
What proprietary blends tell you, what they hide, and how to read the blend without assuming the worst.
Last reviewed: 2026-06-03
Tiny-dose guide
Dose checkWhat is fairy dusting? The tiny-dose label trick in plain English
A lighter guide to tiny-dose label theater, proprietary blends, and when a buzzy ingredient is doing more marketing than work.
Last reviewed: 2026-06-03
Dose guide
Evidence fitClinically significant dose vs whatever is on the label
How to match supplement dose claims against the label, the evidence, and the math hiding behind clinically studied language.
Last reviewed: 2026-06-03
Claim language guide
Claim guideSupplement claim words vs evidence: what the label should prove
A practical way to separate broad wellness language from claims that are backed by named ingredients, doses, and clear evidence references.
Last reviewed: 2026-06-03
Dose math guide
Serving mathSupplement serving-size traps: scoops, gummies, and label math
A practical checklist for avoiding dose inflation, undercounting, and serving confusion in powders, beverages, and chewable formats.
Last reviewed: 2026-06-03
Certification guide
Badge checkCertification badge checklist: what quality logos can and cannot prove
A practical guide to NSF, USP, COA, and third-party testing language so badges do not replace label transparency.
Last reviewed: 2026-06-03
Mineral form guide
Form guideVitamin and mineral forms: why label names matter
A practical way to read magnesium, iron, vitamin D, vitamin A, and vitamin K forms without assuming one mineral label is equivalent to another.
Last reviewed: 2026-06-03
Additive clarity guide
AdditivesSweetener and flavoring terms on supplement labels: decode the list
A checklist for reading sweetener names, flavor systems, and additive terms without giving them more meaning than the label provides.
Last reviewed: 2026-06-03
Nutrition label guide
Nutrition mathFiber, carbs, and sugar label reading for supplements and drinks
A plain-English guide to fiber grams, sugar disclosures, and carbohydrate math for powders, powders blends, and ready-to-drink formulas.
Last reviewed: 2026-06-03
Stimulant label guide
StimulantsCaffeine and stimulants on supplement labels: read the whole list
A label-first guide to caffeine counts, stimulant blends, and cumulative intake when products stack across a day.
Last reviewed: 2026-06-03
Safety label guide
Safety textAllergen and cross-contamination warnings: how to read the small print
A safety-first look at allergen statements, precautionary labels, and what warning text can and cannot replace clinician guidance.
Last reviewed: 2026-06-03
Quality verification guide
COA contextBatch testing and lot numbers explained: what a COA can still miss
A practical guide to lot numbers, COA language, and why batch-level claims need specifics to stay meaningful.
Last reviewed: 2026-06-03
How to use this cluster
Start with the scam guide when a label borrows trust from FDA language, badges, or study phrases.
Use the dose and blend guides when the active amount is hidden or the serving math feels slippery.
Use the badge, allergen, and batch-testing guides when a product asks you to trust quality signals.