I bought mine from
HCG, HCG Drops and HCG Information | Your HCG and mine are in drops that you put under your tongue! What it does is reset the hypothalamus and allows your body to burn it's own fat stores. That's the cliff notes definition and since I'm just starting it I will let walnut hill answer more! You don't need the injectables though because the drops work just as well and are half the price! And yes it the preg hormone!! :-)