Aah, the staple of every Indian household during summers. Long bottle gourds are cylindrical and are more juicy than their round counterparts. Lauki is known to have a cooling affect on the body and that explains its popularity during summers. Due to its nutrition, bottle gourd is thought to be helpful in insomnia, UTI and hypertension. Bottle gourd juice is considered great for managing cholestrol and blood sugar levels as well as for liver health.