Supplement FactsNutrition Facts
15 Ingredients · FDA Reference Data

Supplement Ingredients Database

Reference data for 15 high-frequency supplement ingredients — FDA RDI values, mandatory declaration status, common forms, and 21 CFR 101.36 label formatting rules.

RDI from FDA 21 CFR 101.9Cross-checked with NIH ODS

Showing 15 of 15 ingredients

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MineralMANDATORY

Calcium

Most abundant mineral in the body; essential for bone density. FDA RDI for adults 4+ is 1,300 mg per day. MANDATORY declaration per 21 CFR 101.36(b)(2).

RDI 1,300 mgMandatory4 Forms
MineralMANDATORY

Iron

Essential mineral for oxygen transport. FDA RDI for adults 4+ is 18 mg per day. Mandatory declaration per 21 CFR 101.36(b)(2).

RDI 18 mgMandatory4 Forms
Mineral

Magnesium

Essential mineral involved in 300+ enzymatic reactions. FDA RDI for adults 4+ is 420 mg per day. Common forms include glycinate, citrate, and oxide.

RDI 420 mgVoluntary4 Forms
Other Ingredient

Melatonin

Hormone regulating sleep-wake cycles. No FDA-established RDI; declared as "† Daily Value not established" on Supplement Facts labels.

RDI † not establishedVoluntary3 Forms
Mineral

Zinc

Trace mineral essential for immune function and wound healing. FDA RDI for adults 4+ is 11 mg per day. Common forms: picolinate, citrate, gluconate.

RDI 11 mgVoluntary4 Forms

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