This small squash is surprisingly packed with nutrients and boasts several health benefits. These include containing moderate levels of vitamin C, vitamin A, and various B vitamins, as well as magnesium, potassium, manganese, thiamine, and even iron. These combined make for an ingredient packed with antioxidants and immune-boosting and digestive benefits. Acorn squash can also be beneficial for muscle function, red blood cell production, and to help regulate blood pressure levels.