Groups for specific diet plans?

Hi! Are there specific groups according to a wright loss plan you are following? I have gained 15 pounds in the last year and just can't get it off. In the past I have lost 40 lbs on the LA weight loss and I dabbled with the Lice the Lifestyke and lost 14 a couple of years ago.
I like them both, but prefer LA. I just can't remember some of the specifics.