Peanuts consumed in moderation are healthy, according to About and WebMD. Peanuts are a good source of protein, fiber, vitamin E and other health boosters. A small serving of peanuts can help curb a person's hunger and increase the person's energy.
Peanuts are energy dense but relatively high in calories. They assist in stabilizing blood sugar and can decrease the likelihood of food cravings. One ounce of peanuts constitutes approximately 35 peanuts and is about 160 calories. One ounce often makes an effective snack to bridge gaps between meals. For people who want to gain weight, eating more peanuts is often a healthy way of helping that process.