What is Quince? What is Quince good for? All fruits are good for health but some have a better a nutritional value as compared to others. Filled with essential nutrients, Quince fruit acts as a remedy for various health problems. Some of the Quince Benefits are: reduces nervous tension, ulcer prevention, cures gastro-intestinal troubles and cancer prevention and its general health benefits are: anti oxidant properties, anti-inflammatory properties, boosts immune system, controls blood pressure, digestive aid, eye care, helps in weight loss, improves blood circulation and maintains healthy cholesterol level. It can also be used for nourishment of skin and hair. Some skin benefits are anti-aging benefits and reduces wrinkles and hair benefits are regulates hair growth. If this fruit is consumed in excess or if you are intolerant, you might experience some side effects or allergies. Quince side effects are: allergic reaction and its allergy symptoms are na. Keep reading to get all the necessary information about Quince.