There are a lot of different kinds of weight loss products out there, i suggest you do some more reading about them, for instance weight loss shakes are one way to go, i found some good information and products for them on this site:
Whatarethebestweightlossshakes?
Also the same blog has a nice post about weight loss pills as-well, i personally dont like them as much, but you can always give it a go
WeightLossPills