The rainy season’s favourite fruit Jamun or Java Plum is one of the best local berries that are extremely delicious and loaded with health gains. Being low in calories, Jamun is an alkaloid fruit rich in protein, calcium, magnesium, and potassium. It helps balance blood sugar levels and is extremely helpful in weight loss. However, once you go overboard with this fruit, it has a few side effects like painful constipation, breakouts of acne, and blood sugar imbalance. , Health News, Times Now