It works, it worked more during the first few months. Personally, the 6 tablets per day that it recommends were disastrous for me and caused tightness in my throat and overstimulation of the thyroid, anxiety, and restlessness. I looked into it afterwards and saw that the iodine it contains needs caution as it regulates the thyroid. It also delayed my period during the first months of use. I reduced it to 2, at most 3 tablets a day and my body got used to it, it just helps more with maintaining weight rather than losing it. Maybe it won't affect other women as much as it did me, but it's good to be careful if you have sensitivity with your thyroid and problems with hormonal balance. The way it works for weight loss is by making the thyroid work more, thus increasing metabolism.