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Title 21

Displaying title 21, up to date as of 7/15/2026. Title 21 was last amended 7/09/2026.
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Title 21Food and DrugsPart / Section
Chapter IFood and Drug Administration, Department of Health and Human Services1 – 1299
Subchapter EAnimal Drugs, Feeds, and Related Products500 – 599
Part 582Substances Generally Recognized as Safe582.1 – 582.7724
Subpart FNutrients and/or Dietary Supplements 1582.5013 – 582.5997
§ 582.5013Ascorbic acid.
§ 582.5017Aspartic acid.
§ 582.5049Aminoacetic acid.
§ 582.5065Linoleic acid.
§ 582.5118Alanine.
§ 582.5145Arginine.
§ 582.5159Biotin.
§ 582.5191Calcium carbonate.
§ 582.5195Calcium citrate.
§ 582.5201Calcium glycerophosphate.
§ 582.5210Calcium oxide.
§ 582.5212Calcium pantothenate.
§ 582.5217Calcium phosphate.
§ 582.5223Calcium pyrophosphate.
§ 582.5230Calcium sulfate.
§ 582.5245Carotene.
§ 582.5250Choline bitartrate.
§ 582.5252Choline chloride.
§ 582.5260Copper gluconate.
§ 582.5271Cysteine.
§ 582.5273Cystine.
§ 582.5301Ferric phosphate.
§ 582.5304Ferric pyrophosphate.
§ 582.5306Ferric sodium pyrophosphate.
§ 582.5308Ferrous gluconate.
§ 582.5311Ferrous lactate.
§ 582.5315Ferrous sulfate.
§ 582.5361Histidine.
§ 582.5370Inositol.
§ 582.5375Iron reduced.
§ 582.5381Isoleucine.
§ 582.5406Leucine.
§ 582.5411Lysine.
§ 582.5431Magnesium oxide.
§ 582.5434Magnesium phosphate.
§ 582.5443Magnesium sulfate.
§ 582.5446Manganese chloride.
§ 582.5449Manganese citrate.
§ 582.5452Manganese gluconate.
§ 582.5455Manganese glycerophosphate.
§ 582.5458Manganese hypophosphite.
§ 582.5461Manganese sulfate.
§ 582.5464Manganous oxide.
§ 582.5470Mannitol.
§ 582.5475Methionine.
§ 582.5477Methionine hydroxy analog and its calcium salts.
§ 582.5530Niacin.
§ 582.5535Niacinamide.
§ 582.5580D-Pantothenyl alcohol.
§ 582.5590Phenylalanine.
§ 582.5622Potassium chloride.
§ 582.5628Potassium glycerophosphate.
§ 582.5634Potassium iodide.
§ 582.5650Proline.
§ 582.5676Pyridoxine hydrochloride.
§ 582.5695Riboflavin.
§ 582.5697Riboflavin-5-phosphate.
§ 582.5701Serine.
§ 582.5772Sodium pantothenate.
§ 582.5778Sodium phosphate.
§ 582.5835Sorbitol.
§ 582.5875Thiamine hydrochloride.
§ 582.5878Thiamine mononitrate.
§ 582.5881Threonine.
§ 582.5890Tocopherols.
§ 582.5892a-Tocopherol acetate.
§ 582.5915Tryptophane.
§ 582.5920Tyrosine.
§ 582.5925Valine.
§ 582.5930Vitamin A.
§ 582.5933Vitamin A acetate.
§ 582.5936Vitamin A palmitate.
§ 582.5945Vitamin B12.
§ 582.5950Vitamin D2.
§ 582.5953Vitamin D3.
§ 582.5985Zinc chloride.
§ 582.5988Zinc gluconate.
§ 582.5991Zinc oxide.
§ 582.5994Zinc stearate.
§ 582.5997Zinc sulfate.