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Supplement Industry Glossary

A plain-language reference for the terms, standards, and certifications you encounter when building a supplement brand. Written for founders and operators, not regulatory attorneys.

Regulatory Terms

cGMP (Current Good Manufacturing Practice)

FDA's mandatory quality standards for supplement manufacturing facilities.

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21 CFR Part 111

The specific FDA regulation governing dietary supplement manufacturing practices.

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DSHEA (Dietary Supplement Health and Education Act)

The 1994 law that defines dietary supplements and sets the regulatory framework for the US market.

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NDI (New Dietary Ingredient)

An ingredient not marketed in the US before October 15, 1994, requiring FDA notification before sale.

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GRAS (Generally Recognized as Safe)

A safety designation meaning an ingredient is generally recognized as safe for its intended use.

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FDA Facility Registration

Mandatory registration of food/supplement manufacturing facilities with FDA.

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Structure/Function Claims

Claims about how a supplement affects body structure or function, allowed without FDA pre-approval.

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Proposition 65 (California)

California law requiring warnings for products containing chemicals known to cause cancer or reproductive harm.

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FDA Inspection

An FDA investigator's on-site examination of a manufacturing facility.

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FDA Warning Letter

A formal FDA communication notifying a company of significant regulatory violations.

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Form 483 (FDA Observations)

A document listing conditions an FDA investigator observed during a facility inspection that may violate regulations.

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FSMA Section 204 (Food Traceability Rule)

FDA traceability rule for foods on the Food Traceability List (FTL). Most supplements are exempt.

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OAI (Official Action Indicated)

FDA's most serious inspection classification, indicating a facility is in an unacceptable state of compliance.

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Food Contact Substance (FCS)

Any substance intended for use as a component of materials in contact with food, regulated by FDA through Food Contact Notifications.

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Child-Resistant Packaging (PPPA)

Packaging that meets CPSC standards to prevent children under 5 from accessing hazardous contents, required for iron supplements.

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Food Contact Notification (FCN)

FDA's pre-market notification process for new food contact substances, specific to the manufacturer and intended use.

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21 CFR Part 111 Subpart G (Packaging/Labeling Operations)

The specific Part 111 regulations governing packaging and labeling operations for dietary supplements.

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Master Manufacturing Record (MMR)

Written specification for how every batch of a finished supplement is to be made, required by 21 CFR §111.205.

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Certification Programs

Production Terms

MOQ (Minimum Order Quantity)

The smallest production run a manufacturer will accept for an order.

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Lead Time

The time from order placement to finished product delivery.

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Batch Record

A complete documented history of the manufacturing of a specific product batch.

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Dosage Form

The physical form in which a supplement is delivered (capsule, tablet, powder, etc.).

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Pilot Run

A small-scale production run to validate a formulation before full manufacturing.

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Formulation

The specific combination of ingredients, dosages, and form that makes up a supplement product.

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Supplement Packaging

The containers, closures, and labeling that protect and identify a supplement product.

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Lot Tracking

The system for tracing every unit of product back to the specific production batch it came from.

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Shelf Life

The period during which a supplement maintains its labeled potency and safety under stated storage conditions.

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Bioavailability

The proportion of an ingredient that enters the bloodstream and is available for biological activity.

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Excipient

A non-active ingredient added to a supplement for manufacturing, stability, or delivery purposes.

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FEFO (First Expired, First Out)

An inventory rotation method where products with the earliest expiration dates ship first.

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Label Reconciliation

The process of accounting for all labels issued vs used vs destroyed during a production run, required under Part 111.

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Testing Terms

COA (Certificate of Analysis)

A document reporting test results for a specific batch of ingredients or finished product.

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Identity Testing

Testing to confirm an ingredient is what the label says it is.

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Potency Testing

Testing to verify the amount of active ingredients matches label claims.

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Stability Testing

Testing to determine how long a product maintains potency and safety under storage conditions.

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Heavy Metals Testing

Testing for toxic metals (lead, mercury, arsenic, cadmium) in supplements.

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Banned Substance Testing

Testing products for substances prohibited by athletic organizations.

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Proficiency Testing (PT)

External evaluation where labs test unknown samples to demonstrate measurement accuracy.

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Chain of Custody (Laboratory)

Documented tracking of a sample from receipt through testing to disposal.

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Dry Labbing

Fabricating or falsifying laboratory test results without performing the actual analysis.

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Method Validation

Demonstrating that a testing method produces reliable results for its intended purpose.

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Measurement Uncertainty

The range within which a test result's true value lies, reported alongside results.

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HPTLC (High-Performance Thin-Layer Chromatography)

Identity-testing technique that compares a botanical sample's chromatographic fingerprint against a reference standard.

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HPLC (High-Performance Liquid Chromatography)

Standard analytical method for separating, identifying, and quantifying compounds in dietary supplements.

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Business Terms