North Mountain Supply Premium Professional Quality Liquid Vegetable Rennet - 100% Vegetarian Rennet for Cheese Making - 4 Fluid Ounces. Does Not Contain Products of Animal Origin, and GMO Free! Use around 1/4 tsp per Gallon of Whole Milk. Follow your recipe for best results. CAUTION: Store bought milk goes through processes that cause variation in results. Produced in Italy! To promote a positive and satisfying customer experience, this product is covered by North Mountain Supplys 30 day hassle-free replacement program, in the event the product is damaged or defective.