Bottle gourd also known as white-flowered gourd or calabash gourd, grown for its attractive and utilitarian hard-shelled fruits in warm areas. Bottle gourd has fewer calories and no fat. Vitamin C, Vitamin B, Vitamin K, Vitamin A, Vitamin E, Iron, Folate, Potassium, and Manganese are also present. Bottle gourd offers a number of health advantages, including: It helps avoid constipation, gas, and even piles by being high in dietary fiber (both soluble and insoluble). It’s also simple to absorb. It helps you lose weight.