Ohio Rev. Code § 911.33: Vitamin and mineral requirement for white bread or rolls manufactured, baked, sold, or offered for sale.

No person shall manufacture, bake, sell, or offer for sale, for human consumption in this state, any white bread or rolls unless the following vitamins and minerals are contained in each pound of such bread or rolls:

(A) Not less than one and one-tenth and not more than one and eight-tenths milligrams of thiamine;

(B) Not less than seven-tenths and not more than one and six-tenths milligrams of riboflavin;

(C) Not less than ten and not more than fifteen milligrams of niacin;

(D) Not less than eight and not more than twelve and five-tenths milligrams of iron.