Peanut butter also offers a small amount of zinc, a mineral important for healing and strengthening the immune system. Peanuts also contain a significant amount of resveratrol, a food compound that has a potentent anti-oxidant effect and may help reduce the risk of heart disease and cancer. Fiber is known to promote regular bowel movements and help reduce problems with constipation. Fiber in food, as well as fat, can provide a feeling of fullness. This can help dieters to eat less without feeling hungry.
Hardened oil is less healthful.
Nancy Clark, MS, RD offers nutrition consultations to active people at her SportsMedicine Brookline office.