I tried it too late so I don't really know. I bought the only brand I could find. My doc said it could take up to 2 or 3 a day to work. She said once u start to smell like maple syrup thats when u know u are taking enough a day, its diff for everyone. Example, your sweat, urine will start to smell like syrup. It's worth a try!!! There is also something called mothers milk tea that is supposed to work too.