(a) It shall be unlawful for any person to manufacture, bake, sell, or offer for sale or to receive in interstate shipment for sale for human consumption in this state any bread (as defined in subdivision (1) of Section 20-1-71) unless the following vitamins and other ingredients are contained in each pound of such bread:
(1) Not less than 1.10 milligrams and not more than 1.80 milligrams of vitamin B1 (thiamine);
(2) Not less than 10.0 milligrams and not more than 15.0 milligrams of niacin or niacin amide;
(3) Not less than 0.7 milligrams and not more than 1.60 milligrams of riboflavin; and
(4) Not less than eight milligrams and not more than 12.5 milligrams of iron (Fe).
(b) Such bread may contain as optional ingredients not less than 300 milligrams and not more than 800 milligrams of calcium and/or not less than 150 U.S.P. units and not more than 750 U.S.P. units of vitamin D per pound.