21 C.F.R. § 172.370 Iron-choline citrate complex.
Title 21 - Food and Drugs
Iron-choline citrate complex made by reacting approximately equimolecular quantities of ferric hydroxide, choline, and citric acid may be safely used as a source of iron in foods for special dietary use.
Title 21: Food and Drugs
PART 172—FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION
Subpart D—Special Dietary and Nutritional Additives
§ 172.370 Iron-choline citrate complex.

