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Nutritional Value of Buttermilk

At one time, buttermilk was merely the substance that was left after making butter. Buttermilk has evolved and now comes in both low-fat and skim versions. It also is available in a lactose-free form for people who are unable tolerate lactose. An 8-oz. serving contains 100 calories.

  1. Fat and Cholesterol

    • A serving of buttermilk contains 1 g of saturated fat, which is eight percent of the recommended daily intake, or daily value, for saturated fat. A 1-cup serving of buttermilk also contains 10 mg of cholesterol, which is four percent of the daily value of cholesterol.

    Sodium

    • A cup of buttermilk contains 260 mg of sodium, which is 10 percent of a person's recommended daily intake.

    Carbohydrates

    • A serving of buttermilk contains 10 g of carbohydrates, four percent of the daily value. Buttermilk contains no fiber.

    Protein

    • A cup of buttermilk has 8 g of protein; this is 15 percent of the recommended daily intake for protein.

    Vitamins

    • Buttermilk contains multiple vitamins: A (two percent of the daily value), C (four percent), B-6 (four percent), B-12 (10 percent), thiamine (six percent) and riboflavin (12 percent).

    Other Nutrients

    • Buttermilk is a significant source of calcium (30 percent of the daily value) and phosphorus (20 percent). A serving of buttermilk also contains eight percent of the daily values of zinc and magnesium, and four percent of the daily value of folate.

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