Format your FDA 21 CFR 101.4 Ingredient List in descending order of predominance by weight with proper sub-ingredient parentheses, chemical preservatives, and 2% threshold rules.
Enter raw lab or recipe values below. Our mathematical engine applies strict FDA 21 CFR 101.9(c) rounding increments and 2026 Daily Reference Values (%DV) in real time.
| Mandatory Nutrient | Raw Input | FDA Rounded Label Value | 2026 %DV | 21 CFR 101.9 Rounding Rule Applied |
|---|
Generate combined or standalone compliance stickers with the mandatory yellow exclamation triangle (⚠️ WARNING), CPSIA permanent tracking fields (15 U.S.C. § 2063(a)(5)), and true Code-128B FNSKU bars for Dymo/Rollo thermal printers.
Use the FDA %DV & Prop 65 compliance auditors 100% free. Unlock unlimited commercial vector exports with a single one-time license key.
Under 21 CFR 101.4(a), ingredients must be listed by their common or usual name in descending order of predominance by weight—meaning the ingredient that weighs the most goes first, and the ingredient that weighs the least goes last.
| Rule Topic | 21 CFR Citation | Compliance Requirement |
|---|---|---|
| Order of Listing | 21 CFR 101.4(a)(1) | Descending order of predominance by weight at time of formulation |
| 2% or Less Threshold | 21 CFR 101.4(a)(2) | Ingredients present at ≤2% by weight may be listed at the end after 'Contains 2% or less of:' |
| Compound Sub-Ingredients | 21 CFR 101.4(b)(2) | Declare parent ingredient followed by its sub-ingredients in parentheses in descending weight |
| Spices & Natural Flavors | 21 CFR 101.22 | May be declared collectively as 'Spices' and 'Natural Flavors' unless they are major allergens (e.g., Sesame) |
| Chemical Preservatives | 21 CFR 101.22(j) | Must state both the common name and function, e.g., 'Potassium Sorbate (to preserve freshness)' |
No! Under the FASTER Act and FALCPA (21 U.S.C. 343(w)), if a spice blend or flavoring contains Sesame or any of the 9 major allergens, the allergen must be explicitly declared in the ingredient list or 'Contains:' statement.
Yes, under 21 CFR 101.4(c), water added to a food is an ingredient and must be declared in its descending order of weight unless all added water is subsequently removed during baking or processing.
Explore dedicated calculators and regulatory guides by food category, label geometry, and federal/state statute: