How many calories are in peanuts?

One ounce of peanuts (28g, about 28 peanuts) has 165 calories. A quarter cup is 218 calories. They're calorie-dense but satisfying—studies show peanut eaters don't typically gain weight because they eat less later.

Are peanuts actually nuts?

No, they're legumes (like beans and lentils). They grow underground in pods. Nutritionally, they're more similar to tree nuts—high fat, high protein—which is why they're grouped with nuts.

How much protein is in peanuts?

Peanuts have 23.2g protein per 100g—more than almonds (21g), cashews (18g), or walnuts (15g). One ounce provides 6.5g protein. Peanuts have the highest protein of any common "nut."

Are peanuts good for weight loss?

Surprisingly, yes. Despite being 588 cal/100g, their protein (23g), fiber (8g), and healthy fats promote satiety. Studies link regular nut consumption to lower body weight. The key is portion control—stick to 1 oz.

Roasted vs raw peanuts: any difference?

Dry-roasted have nearly identical calories and nutrients. Oil-roasted add about 10-15 calories per oz from the oil. Roasting slightly reduces some antioxidants but increases others. Both are nutritious.

What is the glycemic index of peanuts?

Very low at 14—among the lowest of any food. Peanuts barely affect blood sugar, making them excellent for diabetics. The high fat and protein slow carb absorption.

Are peanuts safe for everyone?

Peanut allergy affects about 2% of people and can be life-threatening. For non-allergic people, they're one of the most nutritious affordable foods. Introduce to children early (with pediatrician guidance) to reduce allergy risk.

Peanuts vs almonds: which is healthier?

Very close. Almonds have more calcium (269mg vs 49mg), vitamin E, and fiber. Peanuts have more protein (23g vs 21g) and are significantly cheaper. Both are excellent choices—eat whichever you prefer.