What is Blackberry? What is Blackberry good for? All fruits are good for health but some have a better a nutritional value as compared to others. Filled with essential nutrients, Blackberry fruit acts as a remedy for various health problems. Some of the Blackberry Benefits are: heart care, increases metabolic rate, reduces stress, treatment of dysentary, treatment of skin diseases and cancer prevention and its general health benefits are: digestive aid, maintains healthy cholesterol level and strengthens bones. It can also be used for nourishment of skin and hair. Some skin benefits are hydrates skin, skin rejuvenation and skin revitalization and hair benefits are promotes longer and healthier hair. If this fruit is consumed in excess or if you are intolerant, you might experience some side effects or allergies. Blackberry side effects are: nausea, vomiting and might cause change of urine color and its allergy symptoms are facial muscle tension, pressure in sinus, respiratory congestion, runny nose, sneezing and tingling sensation in wrist and face. Keep reading to get all the necessary information about Blackberry.