What is Acorn squash? What is Acorn squash good for? All fruits are good for health but some have a better a nutritional value as compared to others. Filled with essential nutrients, Acorn squash fruit acts as a remedy for various health problems. Some of the Acorn squash Benefits are: anti-inflammatory properties, regulates blood sugar and arthritis treatment and its general health benefits are: boosts immune system, controls blood sugar levels and digestive aid. It can also be used for nourishment of skin and hair. Some skin benefits are nourishes skin and protects skin from oxidative stress and hair benefits are prevents hair loss, promotes longer and healthier hair and regulates hair growth. If this fruit is consumed in excess or if you are intolerant, you might experience some side effects or allergies. Acorn squash side effects are: diarrhoea and vomiting and its allergy symptoms are asthma, red rash and swelling of mouth, tongue or lips. Keep reading to get all the necessary information about Acorn squash.