Restrictions on the addition of other substances to any food or drug

(1) No person shall add, or direct or permit any other person to adddrug. (a) any substance to any food so as to render the food injurious to health; or (b) any substance to any drug so as to affect injuriously the quality or potency of the drug, with the intent that the food or drug may be sold in that state. (2) No person shall sell, or have in his possession for the purpose of sale, any food or drug to which any substance has been so added. (3) A person who contravenes any of the provisions of this section commits an offence.