The Onliso series products are purely extracted from plants and do not add any drugs, so long-term use of Onliso will not cause any side effects. However, during the process of weight control, customers may experience some common physical reactions when taking ONSLO, including: increased stool frequency, diuresis, etc. These reactions are relatively common and will improve as the body adjusts to the weight management plan. However, these more common body reactions will improve as the body adapts to a weight management program.