Peanuts are an excellent source of various vitamins and minerals, including (6Trusted Source):
Biotin. Peanuts are one of the richest dietary sources of biotin, which is important during pregnancy (8Trusted Source, 9Trusted Source).
Copper. A dietary trace mineral, copper is often low in the Western diet. Deficiency may have adverse effects on heart health (10Trusted Source).
Niacin. Also known as vitamin B3, niacin has various important functions in your body. It has been linked to a reduced risk of heart disease (11Trusted Source).
Folate. Also known as vitamin B9 or folic acid, folate has many essential functions and is especially important during pregnancy (12Trusted Source).
Manganese. A trace element, manganese is found in drinking water and most foods.
Vitamin E. A powerful antioxidant, this vitamin is often found in high amounts in fatty foods.
Thiamine. One of the B vitamins, thiamine is also known as vitamin B1. It helps your body’s cells convert carbs into energy and is essential for the function of your heart, muscles, and nervous system.
Phosphorus. Peanuts are a good source of phosphorus, a mineral that plays an essential role in the growth and maintenance of body tissues.
Magnesium. An essential dietary mineral with various important functions, sufficient magnesium intake is believed to protect against heart disease (13Trusted Source).