After all that indulging over the festive season, you may be considering the best diets to get your eating under control.

But before you rush into your New Year’s resolution of renewed health, take a look at what eating plans you should avoid, and which are the best diets, that actually work.

This annual ranking of the Worst and Best Diets by highly regarded nutritionists and specialists in diabetes, heart health, and weight loss, scores a number of popular eating plans.

The rankings are based on seven categories in which each diet was rated on a scale from one to five. Categories include: nutritional completeness, how easy the diet is to follow, the potential for long- and short-term weight loss, the safety and possible side effects, and the potential to help prevent illnesses like heart disease and diabetes, as reported in Insider.

The Worst Diet

Surprisingly, despite its almost cultish popularity, the ketogenic diet was ranked among the worst in several of these categories.

The Keto diet is a controversial high-fat, low-carb plan, that is touted by its followers for accelerating weight loss, boosting energy and overall well-being by transitioning the body into a state of ketosis, where it burns fat for energy instead of sugar.

However, the respected US News & World Report has scored the Keto diet as the worst out of 35 diets for healthy eating and the second to last overall, after the celebrity Dukan diet.

The Keto eating plan also bombed in the heart-healthy category – which is not surprising, given that the emphasis of keto is on saturated fats from butter and red meal.

The diet was also blasted for being unsustainable, as it frowns upon carbohydrates, which makes Keto very difficult to maintain, especially over the long term. It also bans healthy food such as fruits, whole grains, and starchy vegetables.

The only small victory for the diet was in the “fast Weight Loss” category – where it was ranked third, tied with Atkins, Weight Watchers, and Jenny Craig.

However, rapid weight loss does not necessarily equal healthy weight loss. Expert panelists said that while Keto and Atkins almost guarantee short-term weight loss, “long-term adherence” to the diet “is nearly impossible.”

The Best Diets

So if Keto is considered a dud, what was the winner?

For the third year in a row, The Mediterranean diet received top honours for overall best diets. It also was awarded a winner in the easiest diet to follow, the best at preventing diabetes, and the best plant-based diet.

This eating plan is reliant heavily on seafood, fresh produce, whole grains, nuts, and seeds. And what’s life without a glass or two of vino. Good news: wine, in moderation, is permitted in this diet.

The recommended foods in this diet are packed with all sorts of healthy nutrients and vitamins, which are purported to protect us against disease and help reduce the risk of diabetes, among other issues.

If the diet is combined with forgoing high-calorie processed foods and refined sugars, then weight loss is a welcome side-effect to this healthy eating plan.

However, supporters of Keto have attacked back saying that the ranking was overly simplified, and said many people have reaped the benefits of keto for years, including weight loss and more energy.

Are you a Keto fan or foe? What are the best diets, if any, that have worked for you? Tell us in the comments below.

  • I follow healthy mummy. It’s all about the right food choices and exercise


  • I don’t follow a diet and just eat healthy wholemeal and vegetarian


  • Let’s all stop focusing on diets that aren’t sustainable and focus on making small healthier choices throughout our day. Drink more water, get more sleep, eat more veggies, fruits and whole foods…go for a short walk. Don’t get caught up on diet fads that last a month then you’re back doing the same bad habits that had you unhappy in the first place.

    • I agree – all sensible tips and good for health and well being.


  • I do not do diets!
    Lifestyle changes and healthy and well balanced eating and exercise – yes!


  • Keto is a very dangerous diet, I have read a lot about diets and Keto only causes weight loss initially because people stop eating processed junk. The Mediterranean is a vast improvement, but it depends on how much of the good foods you eat, if you keep your fat intake low and complete it with lots of exercise like the Greeks that walk big hills every day. From my research I decided that a low fat low salt wholefood plant based diet is the healthiest. Many people have lost weight and regained health and yes you can eat a little meat or fish (not me) as long as it is not your main food. If people just learn that processed foods is your enemy you will lose weight and be healthier.


  • The Mediterranean diet sounds amazing to me with some wine


  • I have had tried keto diet recipes but i wouldn’t commit to the diet. Im on now a healthy mindset of eating fruit veggies meat, and snacks made from healthy alternatives. Ive stop havent soft drinks, processed foods including chocolate and so far I’ve gone down a size.


  • I am currently on the Keto diet and it does work very well for rapid weight loss if you adhere to it strictly, but I agree that it isn’t a sustainable diet. I never planned to be on it forever anyway and once I reach my goal weight, I will be adopting a more sustainable one, while still limiting my carbs and sugar intake.


  • I think different diets work for different people. We all have different lifestyles, medical conditions and requirements. Diet is not a one size fits all


  • I really need to get on one after all the food I’ve had for Christmas and New year hahaaaa


  • anything that cuts an entire food group is bad for you


  • no thanks, I eat what I want


  • Wow, great explanation of the keto diet. I wondered about the pros and cons


  • Everybody has different needs and I guess different diets work for different people.


  • I cant go on diet…i love chocolate to much


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