What is Boysenberry? What is Boysenberry good for? All fruits are good for health but some have a better a nutritional value as compared to others. Filled with essential nutrients, Boysenberry fruit acts as a remedy for various health problems. Some of the Boysenberry Benefits are: heart care, kidney stone treatment, skin rejuvenation, treatment of alzheimer's disease and cancer prevention and its general health benefits are: boosts immune system, digestive aid and improves eye vision. It can also be used for nourishment of skin and hair. Some skin benefits are anti-aging benefits, reduces wrinkles and skin rejuvenation and hair benefits are protects hair. If this fruit is consumed in excess or if you are intolerant, you might experience some side effects or allergies. Boysenberry side effects are: decrease in blood sugar levels and its allergy symptoms are na. Keep reading to get all the necessary information about Boysenberry.