NEW ENGLAND CHEESEMAKING Organic Rickis Vegetable Rennet, 2 Fluid Ounce Double Strength Plus microbial "vegetable" rennet. All ingredients conform to organic standards. Gluten free, non-GMO, no caramel color. 1/4 teaspoon will set up to 2 gallons of milk. One ounce will set up to 48 gallons of milk. We do not offer this via Fullfilled by Amazon to ensure the rennet is fresh and kept refrigerated until shipped.