She drinks bitter gourd into juice with a soymilk machine, and drinks several cups as water samples every day, usually on an empty stomach in the morning and before meals.
However, bitter gourd is cold. See if your physique is suitable first. Its main function is detoxification, that is, defecation.
But if you want to lose weight just by eating bitter gourd, it must be very difficult. Healthy weight loss requires multi-party cooperation. This is an arduous and long process. In short, exercise+diet.