The 5 Worst Diets for Weight Loss

by in Diets & Weight Loss, July 25, 2013

empty plate
Trying a weight loss plan that doesn’t work can become extremely frustrating and discouraging. Before starting any of these diets, read why I say skip ‘em!

#1: Paleo Diet
This plan recommends you eat like your caveman ancestors, emphasizing lots of fruits, veggies, lean meats and seafood. Dairy and grains aren’t allowed on the plan—omitting two important food groups and numerous important nutrients in your diet. This diet was ranked last by US News and World Report on their list of Best Weight Loss Diets. Their expert panel determined that there is a lack of scientific evidence to show that long-term weight loss can be achieved.

#2: Dukan Diet
Although celebs like Gisele Bundchen and Jennifer Lopez have reportedly followed this diet post-baby to shed pounds, it was ranked second to last by US News and World Report’s Best Weight Loss Diets. This updated version of the Atkins diet eliminated carbs, fruits and veggies (especially during the very strict first phase), while allowing unlimited amounts of lean protein. It’s a very restrictive plan that will have you losing weight rather quickly—actually too quickly according to safety guidelines set up by the National Institutes of Health. The end result: You’ll probably end up regaining your lost weight plus more.

#3: Master Cleanse
This cleansing plan is typically used to help dieters quickly shed pounds. It calls for an extremely low calorie diet plan (around 700 calories a day) and uses enemas, diuretics and laxative teas to get fluids out of you. Aside from making people being extremely uncomfortable, hungry and probably irritable (I know I’d be!), the diet doesn’t supply enough protein to maintain muscle mass during weight loss—meaning, your body will hold on to fat since it thinks it’s in starvation mode. Once you return to your regular eating plan, any weight lost will come right back.

#4: The Blood Type Diet
Knowing your blood type is important if you’re looking to donate blood, not to determine which types of foods you should be eating. The premise behind the diet is that your blood type dictates the types of food your body needs and how you digest and metabolize food. According to a 2013 review published in the American Journal of Clinical Nutrition, there is no evidence that validates this plan.

#5: Gluten-Free Diet
Gluten is a protein found in wheat, barley and rye. Folks diagnosed with celiac disease or gluten intolerance must avoid gluten for health reasons. However, if you’re looking to lose weight by cutting out gluten, you’ll probably be disappointed. Many gluten-free diet followers get duped into choosing gluten-free snacks and processed foods, thinking that they’re better for them. Instead, they end up eating hefty amounts of calories, sugar and fat (food manufacturers need to replace the gluten with something!).

Toby Amidor, MS, RD, CDN, is a registered dietitian and consultant who specializes in food safety and culinary nutrition. See Toby’s full bio »

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Comments (16)

  1. Jeet Chowhan says:

    Every body has its different capacity of losing weight, so very tricky to determine whether which diet suits his or her needs to shed calories. Diets mentioned above have their own benefits. Some may not be suitable for someone with different anatomy. So following a diet rich in all nutrients is the key. Consuming all the nutrients but in moderation can boost up the metabolic rate and finally shed those unwanted fats.
    to know more visit : http://www.jeetchowhan.com/

  2. diet pills says:

    Aside from making people being extremely uncomfortable, hungry and probably irritable (I know I’d be!), the diet doesn’t supply enough protein to maintain muscle mass during weight loss—meaning, your body will hold on to fat since it thinks it’s in starvation mode. Once you return to your regular eating plan, any weight lost will come right back.

  3. Nancy says:

    I found this online cookbook that really helped me. It has great and delicious recipes that i would recommend to everyone! http://topbikinimodeldiet.blogspot.com

  4. mattlummus says:

    The best Diet is one that you ENJOY. Eat your balanced meals (i.e. include carbs, proteins, fruit/veggies, dairy) but replace unhealthy things with things that are healthy and that you actually crave (and then throw in one or two cheat meals a week to fight cravings and keep your body in check). You are less likely to binge or give up and more likely to stick to eating and eating well. Its supposed to be a lifestyle change afterall.

  5. Tressa May says:

    Have what you are having normally but have it in small portions and don't try to stuff everything in. Have small amounts at small intervals will be great way to stop you put on some pounds. I remember when my sis thought of having a weight loss surgery. I went with her to the Credit Valley Clinic in Mississauga, where she had the surgery last week. They told us what's the procedure is, and told her that she will be full after having small portion of food. That's how she is going to lose weight. Sounded unhealthy but they told her that she'll have to make sure that small portion should be a healthy one, so that she'll be healthy while losing those pounds.

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