How to write a compliant ingredient statement
Updated July 2026 · Reviewed against 21 CFR 101.4
The ingredient statement looks like the simplest part of the label and is one of the most commonly wrong. The core rule (21 CFR 101.4) is strict: every ingredient is listed in descending order by weight as it exists at the point it's added to the recipe — not by volume, not by how it appears in your recipe card, and not grouped by category. Water added during preparation counts as an ingredient and gets listed by its own weight, even if it evaporates or is absorbed before the final product ships.
Compound ingredients — an ingredient that is itself made of multiple ingredients, like a chocolate chip or a seasoning blend — generally need their own sub-ingredients declared in parentheses immediately after the compound ingredient's name, in the same descending-by-weight order. This is the step most home-scale sellers miss: buying a pre-made ingredient doesn't remove the obligation to disclose what's in it, and skipping the parenthetical is one of the most common reasons a retail buyer or Amazon listing gets rejected on label review.
A full walkthrough — common naming pitfalls ("spices" vs. naming each one, when "natural flavor" is and isn't acceptable, water and by-weight edge cases) — is coming soon to this guide.
This guide explains FDA’s labeling rules in plain language. It isn’t legal advice — when in doubt, check with your state department of agriculture or a food-labeling attorney.