Cutting Carbs is a Better Weight Loss Option than Low Fat Diet

Published:September 8th, 2010

ScienceDaily— If you’re overweight or obese, you have insulin resistance, and have been wondering all these years why low fat diet won’t work, cut your carbs instead.

This is what a new study has discovered and results of such were presented at The 92nd Annual Meeting of The Endocrine Society held in San Diego.

According to lead author Raymond Plodkowski, MD, endocrinology chief at the University of Nevada School of Medicine, “Physicians usually recommend a low fat diet for weight loss. This study apparently disproves such claim; evidencing that not everyone can lose weight that way.”
Insulin resistance is a usual marker for type 2 diabetes because of the inability to metabolize carbohydrates normally, and this is what affects weight loss. Lower carbohydrate diets are more effective for people with these cases even for the short term.

About 45 women who were classified as obese and having the ages of 18 to 65 were gathered in this study, majority of them having insulin resistance. This was determined according to their fasting blood levels of insulin. Researchers then assigned, in random, who would take a low fat diet and who would reduce carbohydrate intake instead. They all found out that those women who had insulin resistance lost more than 3 pounds compared to those who had low fat diet.

The low fat diet consisted of 60% calories from carbs, and 20% each from fat and protein. The lower carb diet on the other hand had only 45% of calories from carbs, 20% from protein, and 35% from unsaturated fat. Both diets included at least 2 fruits and 3 vegetables daily.

Plodkowski wanted to make these diets easier and more palatable to prepare, so it’s a lot easier to be followed. It’s a real world analysis where everyone can follow and stick to this diet plans even introducing slight changes on the menu.

Both groups in the study lost weight, but after 12 weeks, the insulin resistant group taking in fewer carbs lost 19.6 pounds compared to the 16.2 pounds lost by those who took the low fat diet. That was about 21% more.

“Data gathered in this study clearly demonstrates that clinicians need to determine first whether insulin resistance exists. This will only determine the best and most effective weight loss option, because clearly, low fat diets don’t apply to everyone and it’s sometimes about lowering your carbs.”

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