Effective, the key is persistence. Choose the spirulina brand with the logo of "National Food Health Word", and take it 30 minutes to 1 hour before meals every day, twice a day, with 3 tablets each time (0.5g/ tablet). Because spirulina has a laxative effect, it can be increased according to everyone's physique. Remember not to eat after dinner. Eating after meals will make people fat. Only suitable for MM who is patient, wants to lose weight at a constant speed, has no side effects and wants beauty. Combined with exercise and diet control, the effect is better.