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Labeling

Supplement Facts

The regulated nutrition panel on a supplement - every value on it must be backed by testing.

The Supplement Facts panel is the regulated box that declares serving size, ingredients, and amounts on a dietary supplement (the supplement equivalent of a Nutrition Facts panel). It's a legal declaration, not marketing copy.

Every number on it must be backed by analytical testing - potency assays for actives, ICP-OES for minerals, and so on. If your label says 500 mg and the product contains 350 mg, you're misbranded under federal law and exposed to class-action suits.

Guides that cover Supplement Facts

Amazon & Marketplace

Amazon Supplement Compliance: Don't Get Delisted

FDA & GMP

The "Oh Crap, The FDA Is Calling" Guide to 21 CFR 111 Testing Requirements

Selling Online

How to Use Your Test Results in Marketing (Without Getting an FDA Letter)

Selling Online

Amazon Supplement Reinstatement: How to Get Your Listing Back After a Compliance Removal

FDA & GMP

Supplement Finished Product Testing: The GMP Release Checklist

Getting Started

Do I Actually Need to Test My Supplements? The Honest Answer

Free Resources

21 CFR 111 GMP Compliance Checklist — Free PDF Download

FDA & GMP

DSHEA Explained for Supplement Brands

Specialized

Electrolyte Powder Testing — Sodium, Potassium, Magnesium Verification

Ingredient Testing

Iron Supplement Testing: ICP-MS Potency, Form Verification, Disint

Compliance

Supplement Label Claim Substantiation — Testing Every Word on Your Bottle

Ingredient Testing

Multivitamin Testing: Multi-Analyte Potency, Label Overage

Getting Started

7 Supplement Tests You're Probably Overpaying For (And How to Fix It)

Ingredient Testing

Pre-Workout Supplement Testing: Banned Stimulants and Label Accuracy

Ingredient Testing

Prenatal Vitamin Testing: Folate Form, Heavy Metal Safety, Potency

Ingredient Testing

Protein Powder Testing: Heavy Metals, Amino Spiking, and Real Protein Content

Ingredient Testing

Psyllium Fiber Testing: Identity, Microbial Screening for Salmonella, and Water Activity

Ingredient Testing

Sea Moss Testing: Iodine Content, Heavy Metals, Species Auth

Compliance

Structure/Function Claims Testing Requirements

Compliance

Supplement Facts Panel Testing Requirements

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