Vancouver, British Columbia--(Newsfile Corp. - May 31, 2021) - International Zeolite Corp. (TSXV: IZ) (OTC Pink: IZCFF) (FSE: ZEON) (the "Company") announces, subject to regulatory approval, the grant of 400,000 stock options to a director. The option entitles the holder to acquire one common share of the Company at the price of $0.175 per share...