This is a Double Strength microbial rennet that contains no animals products. Non-GMO and Gluten FREE. Double strength microbial rennet derived from Mucor miehei. This rennet is acceptable for the production of vegetarian cheeses. Non GMO and gluten FREE | Long shelf life - exp. on 01/2020. Double strength, Very powerful - add 3-4ml per 10 Litres of milk.