As with any medicine or supplement, Garcinia may also interact with other medicines and may act differently in the presence of other medical conditions. If you are pregnant or nursing, or if you have kidney or liver problems then it will be better to take your doctor’s advice before using this pill. It is possible to have some side effects otherwise. These include dizziness, nausea, headache, stomach upsets or diarrhea etc. If you continue taking the medicine, slowly the body adapts to the changes made by the ingredients and diet. Gradually you will see a big change in your weight. One thing is for sure that this medicine works like a miracle in reducing the weight. You need to be careful while buying it and buy it from an authorized seller, who will ensure purity and safety of the product.