Fun fact: George Washington Carver is commonly credited as the inventor of peanut butter, but it was actually Marcus Gilmore Edson who first patented peanut butter in 1884.

Peanut butter has been a childhood favorite in America for around a century. According to the National Peanut Board, the average child will eat 1,500 peanut butter and jelly sandwiches before graduating high school. This protein-packed spread isn’t just for kids though it offers plenty of vitamins and nutrients necessary as part of a balanced diet.

Consider these facts about the gooey, tasty treat:

Peanut butter is considered a nutrient-dense food because it carries several key nutrients including folate, magnesium, niacin, potassium and phosphorus while packing them all into a small serving size.

Most of the fat contained in peanut butter is either polyunsaturated or monounsaturated, which are considered healthier fats that have been linked to improving blood cholesterol levels when eaten in place of saturated fats and trans fats.

Legumes, the family of plant that includes peanuts as well as beans, peas and other foods, are some of the best sources of vegetarian protein. A 2-tablespoon serving of peanut butter contains 8 grams of protein.

The concentrated amounts of protein, carbohydrates and fat in peanut butter make the calories add up quickly (188 calories in a 2-tablespoon serving), but when used in moderation as part of a healthy, balanced diet, peanut butter packs a powerful punch.

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