What is Cranberry? What is Cranberry good for? All fruits are good for health but some have a better a nutritional value as compared to others. Filled with essential nutrients, Cranberry fruit acts as a remedy for various health problems. Some of the Cranberry Benefits are: heart care, kidney stone treatment, scurvy treatment, ulcer prevention and cancer prevention and its general health benefits are: anti-inflammatory properties, boosts immune system, digestive aid, fights against infections and strengthens bones. It can also be used for nourishment of skin and hair. Some skin benefits are anti-aging benefits, reduces wrinkles, skin rejuvenation and treatment of acne and hair benefits are promotes longer and healthier hair, protects hair and treatment of dandruff. If this fruit is consumed in excess or if you are intolerant, you might experience some side effects or allergies. Cranberry side effects are: allergic reaction, diarrhoea, nausea, stomach pain and vomiting and its allergy symptoms are anaphylaxis, breathing difficulty, itching, skin rash and swelling of mouth, tongue or lips. Keep reading to get all the necessary information about Cranberry.