Certain toxins found in bottle gourd have been linked to adverse effects on foetal development. For this reason, it is strongly advised that pregnant women consult a medical professional before including bottle gourd in their diet. Can Lower Blood Pressure Further: Bottle gourd naturally helps reduce blood pressure. Be Cautious with Bottle Gourd Juice: While bottle gourd juice is popular for its health benefits, drinking juice made from bitter bottle gourd can be dangerous. So, avoid bitter bottle gourd juice and even, bottled juices sold in the market, as they may contain harmful bacteria.