Oat drink with Calcium with biological and organic origin, which contains no added sugars, gluten or lactose, and is especially suitable for people with a vegetarian or vegan diet, or who want to reduce the consumption of animal milks. It is suitable for drinking cold, at room temperature and hot, and can also be used to prepare culinary recipes as a substitute for milk. Shake well before use and store at room temperature in a cool, dry place. Once opened, store in the refrigerator and consume within a week.