New rankings from U.S. News and World Report says the Mediterranean Diet might be the plan for you since it's heavy on vegetables and fruit and incorporates plenty of olive oil, whole grains, and lean meats.
U.S. News & World Report, in collaboration with a panel of health experts, evaluated and ranked 41 diets.
Meanwhile, the Nordic diet - a plant-focused plan that borrows from the Scandinavian tradition - made its first appearance on the list, at number nine.
Here are the other diets that topped the list. The term was coined by registered dietitian Dawn Jackson Blatner in her book "The Flexitarian Diet: The Mostly Vegetarian Way to Lose Weight, Be Healthier, Prevent Disease and Add Years to Your Life". Even those who didn't stick to the diet perfectly but followed it "moderately well" reduced their risk of Alzheimer's by about a third, the researchers found.
The DASH diet was second - that's Dietary Approaches to Stop Hypertension. Although created to help people lose weight, experts say its focus on healthier living makes it a smart overall diet to follow.
The NHLBI publishes free guides on the plan so you can see if it is right for you.
And no, unfortunately, there is still no magic fix for losing weight, but there are certain diets that have been shown to be more successful.
If you're gearing up to eat healthier this year, consider including whole grains, seafood, and healthy fats in your diet.
Among the diet's requirements is eating three servings of whole grains, a salad and another vegetable daily, as well as a single glass of wine if desired.
That doesn't sound so bad, but why was it named the best of the bunch?
WW's Freestyle program applies points values to foods, with higher points for foods high in saturated fats and sugars, and lower points for foods with high levels of protein. The plan also involves in-person meetings or online chats created to support those in the program and keep them accountable.