Pumpkin seeds have been shown to improve heart health, blood sugar levels, fertility, and sleep quality. They may even protect against certain types of cancer. Additionally, its rich nutrient content may provide other health benefits, such as improving energy, mood, and immune function. Pumpkin seeds are rich in vitamins and minerals like manganese and vitamin K, both of which are important in helping wounds heal. They also contain zinc, a mineral that helps the immune system fight bacteria and viruses. Pumpkin seeds are also an excellent source of: Phosphorus.