They also contain a lot of antioxidants and a decent amount of polyunsaturated fatty acids potassium vitamin B2 (riboflavin) and folate. Pumpkin seeds contain antioxidants like carotenoids and vitamin E. Antioxidants can reduce inflammation and protect your cells from harmful free radicals. Thatâs why consuming foods rich in antioxidants can help protect against many diseases. Pumpkin seeds may reduce symptoms of benign prostate enlargement and an overactive bladder. Whole pumpkin seeds are a good source of fiber. Diets high in fiber are associated with many health benefits