Detox diets are often packed with fruits, veggies, natural juices, green tea, water, and fiber-rich foods. It's crucial to consult your nutritionist or doctor before starting any detox diet.

Detox diets purport to help that natural process function more efficiently, by adopting a strict, short-term diet regimen often comprising fruits, vegetables, nuts, juices and nutritional supplements.

Inspired by Canadian motivational speaker Eckhart Tolle and the book Quantum Wellness by Kathy Freston, the talk-show host is following a 21-day detox diet - and blogging about it at oprah.com.

But now Gittleman has a brand new diet that even Doug Amidon could stick to. It's called the Fast Track One-Day Detox Diet. For Amidon, it's the way to jumpstart weight loss. And see results fast.

But now Gittleman has a brand new diet that even Doug Amidon could stick to. It's called the Fast Track One-Day Detox Diet. For Amidon, it's the way to jumpstart weight loss. And see results fast.