Most nutrition label compliance failures come down to typography. The FDA cares deeply about whether consumers can actually read the panel — and 21 CFR 101.9(d)(1) specifies every minimum size, weight, and visual element with surprising precision. This guide covers every typographic requirement and the design choices that trigger Warning Letters.
The Font Size Reference Table
| Element | Minimum Size | Weight |
|---|---|---|
| "Nutrition Facts" header | 13 points | Bold |
| "Calories" word + number | 22 points | Bold |
| "Serving Size" / "Servings Per Container" | 8 points | Bold |
| "Amount Per Serving" header | 8 points | Bold |
| Nutrient names (Total Fat, Sodium, etc.) | 8 points | Bold |
| Nutrient values (grams, mg) | 8 points | Regular |
| "% Daily Value" column header | 8 points | Bold |
| % DV values | 8 points | Regular |
| Footnote ("The % Daily Value tells you...") | 6 points | Regular |
| Linear format (small packages) | 6 points | Regular |
Line Rules and Visual Separators
The horizontal rules dividing the panel into sections have specific thickness requirements:
- Thick bar above "Calories": minimum 0.005 inches (roughly 3-7 points depending on dpi).
- Thin separator rules between nutrient sections: minimum 0.002 inches.
- Thick rule above the footnote: matches the thick bar above Calories.
- Border around the entire panel: recommended but not strictly required.
Required Typeface Characteristics
The FDA does not name a specific typeface but its example labels and enforcement patterns establish clear expectations:
- Sans-serif preferred. Helvetica, Arial, Franklin Gothic, Univers — all acceptable. Serif fonts (Times, Garamond) are technically permitted but rare and risk legibility complaints.
- No decorative or script fonts. Cursive, handwriting fonts, condensed display fonts — all routinely flagged.
- No italics for required text (italics may appear in voluntary marketing copy outside the panel).
- Sufficient contrast. Black text on white is the FDA standard. Light gray on white, white on photo backgrounds, or low-contrast color schemes fail.
- Adequate line spacing — at least 1 point of leading between lines to prevent visual collision.
Three Compliance Failures We See Most Often
Based on FDA Warning Letters published in 2024-2026:
- 1. Calorie display below 22 points. The 2020 rule doubled calorie size; manufacturers who refreshed labels around the original deadline sometimes used 14 or 18 points. Recent FDA inspections are catching these.
- 2. Insufficient contrast. Light tan or beige panels on cream packaging look elegant but fail the contrast requirement. The FDA wants black-on-white standardization.
- 3. Decorative serif fonts at body text size. Premium product designers love serif fonts; the FDA does not. At 8-point body text, serifs become unreadable for many consumers.
The Right Way to Validate Your Label
Two practical sanity checks before printing:
- Print at actual size. Print your label at 100% scale on standard paper. Hold it at arm\'s length. If you can read every line clearly, the FDA can too.
- Compare against an FDA example. The FDA publishes example labels at fda.gov/food/nutrition-education-resources-materials. Hold your label next to one. Differences in proportions, font weights, or spacing signal compliance risks.
Our free generator applies all FDA font and formatting rules automatically — output labels are print-ready at 300 DPI with proper typography. For deeper compliance context, see the FDA Requirements Guide.