Peanut Butter:

Vitamins B3, B7, and E, which help with brain function, skin and coat health, and muscle maintenance. 

Minerals in PB are magnesium, manganese, and phosphorus, which help with energy production, protein and carbohydrate metabolism, and bone and teeth strength. Peanut butter is high in protein, which helps build and maintain muscle, boost the immune system, and produce enzymes, hormones, and antibodies. Peanut butter contains fiber, which helps with digestion, prevents constipation and diarrhea, and may help prevent colon cancer. Peanut butter contains healthy fats, including omega-6, which supports skin, immunity, growth, and other bodily functions.