Magnesium salts, including magnesium sulfate, magnesium citrate, and magnesium hydroxide, have long been popular in the treatment of constipation. They work mostly by an osmotic mechanism, meaning that the magnesium salt draws water out of the gut wall into the intestine, thereby softening the stool.
The favorite choice for the term Peanut Butter is 1 tablespoon of Smooth Peanut Butter (with Salt) which has about 90 calories. Calorie and nutritional information for a variety of types and serving sizes of Peanut Butter is shown below. Popular Types of Peanut Butter.
Serving Size. The recommended size for a single serving of peanut butter is 2 tablespoons, an amount equivalent to a little more than 1 ounce and roughly the size of a ping pong ball.n ounce of plain, dry-roasted peanuts is slightly lower in calories, protein and fat than 2 tablespoons of peanut butter, but slightly higher in dietary fiber.