Enzymes are best eaten half an hour before meals and can play a role in weight loss. Firstly, enzymes can be eaten half an hour before meals to lose weight because they contain a large amount of water and fiber, which can increase the feeling of satiety and reduce the intake of food for regular meals, and can play a certain dieting and weight loss effect. Secondly, taking enzymes half an hour before meals can effectively convert the calorie intake of the main meal into the energy needed by the body and consume this energy effectively, promote the increase of metabolism in the body and reduce the calories in the body, which can achieve the effect of weight loss. Eating enzymes can promote gastrointestinal peristalsis, detoxification and laxative, so that the excretion of waste and toxins in the body can effectively reduce the accumulation of waste and toxins in the body caused by poor digestion, resulting in the appearance of bloating and obesity.