Silk Unsweetened Almond Milk - 1.89L - A mere 30 calories per serving. Enjoy the goodness of Silk? Unsweetened Vanilla Almond Beverage for less than half the calories of skim milk. Kissed with just a hint of vanilla, it?s perfect over cereal, in recipes and more. You won?t miss the sugar, and you?ll be delighted by the taste.