If you want to turn down the bitterness of the vegetable, soak the chopped bitter melon for 1/2 an hour before going ahead with the recipe. You can also parboil it for 2 min. Once done, set it aside, pour off the water, rinse it properly and then proceed ahead with the recipe. It would also be advisable for you to consult a doctor for the exact dosage if you are undergoing treatment for cholesterol or diabetes.