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Whey Protein Helpful For Weight Loss

Whey Protein Helpful For Weight Loss

Whey proteins best soy when it comes to weight loss..

Whey protein really is top of the list when it comes to vital nutrients for health freaks. We’ve already seen how whey protein can help build muscle, and how the right combination of whey and carbohydrates found in chocolate milk can aid muscle recovery and performance, but now a new study has shown that this dairy protein also has edge of over other proteins such as soy, when it comes to weight loss.

Researchers at the U.S. Department of Agriculture’s Human Nutrition Research Center randomly assigned 90 overweight and obese middle-aged adults to one of three groups.

whey protein beats soy for weight loss 550x350 Whey Protein Helpful For Weight Loss

Whey Protein Beats Soy For Weight Loss

Image Credit: Spiritia, 2008.

The first group was given whey protein drinks to add to their diet, the second soy protein drinks and the third, a drink that contained carbohydrates. None of the participants were told which drink they were given.

All the drinks, which were consumed twice daily, contained 200 calories and 52 grams of protein or carbs.

During the study the researchers monitored the patients physical activity levels, waist sizes, weights, lean and fat body mass, as well as the blood levels of hormones related to hunger and metabolism. They also asked the participants for a record of the other foods they were eating, and took urine tests to make sure they were following the requirements for consuming the drink.

At first there was no significant difference between the groups. However after 6 months the group drinking the carb drink had gained 2lbs; people drinking the soy drink stayed around the same weight; but those given the whey protein lost around 2lbs. And where the waist size of the other groups remained the same, those drinking whey lost about an inch around the middle.

The researchers believe that whey protein contribute to significantly lower blood levels of the hormone ghrelin. David J. Baer, PhD, research physiologist at the USDA’s agriculture research service in Beltsville, Md explained:

“It’s a hormone that helps regulate food intake. So the higher concentration, the more hungry somebody feels. The lower concentration, the fuller somebody feels.”

The results also showed that those drinking whey cut back on their carb intake, even though they were unaware of which supplement was included in their drink.

While whey protein is easily consumed by drinking a glass of milk, experts highly recommend choosing a low calorie, low-fat option for the best results.
The study was published in the Journal Of Nutrition.


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  1. Brenda Goodman: Whey Protein May Be Helpful for Weight Loss. WebMD, 07/15/2011.

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