Peanuts have a strong nutritional profile. They are an excellent source of plant-based protein, fiber, and many key vitamins and minerals. Peanuts come in many forms, including roasted, salted, chocolate-coated, and peanut butter. Different types have different nutritional profiles and various health benefits. Along with their healthful nutritional profile, peanuts are calorie-rich food, so they are most healthful when enjoyed in moderation.