I don't know the specific ingredients, so it's hard to say the side effects. Its essence is miscellaneous grains. If you can stick to a vegetarian diet for a month and eat only a small bowl every meal, you can also achieve this effect. The only secret to losing weight is to "keep your mouth shut and open your legs". As for 159, it is obviously unscientific to say that it is a few pounds a day. As long as the brain is not eaten by zombies, it will definitely not be believed.