FDA mandatory nutrient declaration (21 CFR 101.36)
- Vitamin D (≥ 2 mcg) — declare when present
- Calcium (≥ 20 mg) — declare when present
- Iron (≥ 0.5 mg) — declare when present
- Potassium (≥ 40 mg) — declare when present
- %DV auto-calculated from FDA RDI tables — no manual math
- Auto-flag any missing mandatory nutrient before export
When present above declaration thresholds, these four nutrients MUST appear on the Supplement Facts panel. Omitting any mandatory nutrient is the #1 cause of FDA warning letters for supplement brands. ReguSift auto-detects these from your COA and flags them before export.