By David Zinczenko

Sarah Palin is on a diet. So is Barack Obama, Glenn Beck, Oprah Winfrey, Lady Gaga, Peyton Manning, the pitching staff of the Texas Rangers, all the judges on America’s Got Talent, and the entire cast of Glee. In fact, from Chris Rock to Kid Rock to The Rock, everyone you can name is on a diet.

And so are you.

How can I be so sure? Because a “diet” isn’t something you go on and go off of, like a prescription. A diet is what you eat, day in and day out, whether you planned to eat that way or not. So when people ask me what kind of “diet” they should follow, I always tell them to follow the one they’re already on—the way you like to eat is the way you should eat. In researching the Eat This, Not That! book series and seeing people lose 10, 20, 30 pounds or more effortlessly, I’ve learned that if you want to make big changes to your health, forget about following somebody else’s diet. Just make a bunch of little changes to the diet you’re already following. Believe me, it’s the best way to get results. Below, I’ve listed the 25 best new nutritional tweaks you can make that will improve the way you look and feel—fast and forever!

» Read more: 25 Best Nutrition Secrets