Vitamin products, carriers and preparations shall be labeled to show information or guaranties as to vitamin content in milligrams per pound, except that vitamin A shall be stated in United States pharmacopoeia (U.S.P.) units per pound, vitamin D in products offered for poultry feeding in international chick units per pound, vitamin D for other uses in U.S.P. units per pound.
Kan. Admin. Regs. § 4-3-8