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USDA Reference Library

Public Domain Compliance

Scientific Nutrition Databases

NutriLabel Pro sources its underlying chemistry metrics directly from the United States Department of Agriculture archives. Deep-dive into the verified legal documents below.

Official API

USDA FoodData Central

The primary official integrated food and nutrient data system for agricultural research and consumer services.

DatabaseRead Source
Legal

FDA Guidance for Industry: Nutrition Labeling

Official CFR 101.9 regulatory guidance describing rounding rules, mandatory font sizes, and layout structures.

Regulatory GuideRead Source
Technical

Standard Reference Legacy Release

Historic nutritional composition data for over 7,000 food items, serves as foundational USDA tracking.

Data ArchiveRead Source
Small Business

Cottage Food Regulations by State

Comprehensive directory summarizing labeling law allowances and limitations for non-commercial kitchens.

DirectoryRead Source
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