Overweight revisited

My No. 2 Son advises me that stuff like this doesn't really work so I wonder if aniyuz might by chance have tried. There are about dozen kinds that a quick Googling suggests might actually do it

http://click.e-mail.swanson-vitamins.com/?qs=e0513fb373d6a7a004eb3563264a369995d0e59074934f61d82357ac14518e6ee1d678eb76c840cb