I am, so far - so good... I have done Atkins and variations of. I used the Zone for sometime too. With Atkins it worked great in the beginning but it was not sustainable for me. So I went to the Zone... even though I lost 50 pounds twice on it, I gained it back because mainly after doing Atkins, The Zone is a low fat diet! Now with THM I can switch it up. I can have a low carb, high fat meal and 3 hours later I can have a moderate carb, low fat meal if I wish. I like this not only because of the variety, but because there are lots healthy drinks that don't involve regular sugar. On THM we don't use artificial sweeteners, instead we use stevia and sugar alcohols... it works wonderfully! I get the best of both worlds.