Easiyo 252102 Greek Style Yogurt Base and Culture, 6-Ounce Thick Greek-style unsweetened, full cream yogurt base--great for using as base for dips or substituting for sour cream. Use by date and is based on international standard d/m/y not m/d/y Makes 1 quart (1 liter) of yogurt with the Easiyo Yogurt Maker (sold separately) All natural, no artificial ingredients, colorings or preservatives and no added sugar Made from the highest quality New Zealand milk powder and lactic cultures Provides a naturally good source of calcium, protein, vitamins and minerals.