Protein Sources Measure Up For Weight Control

How Various Protein Sources

Measure Up For Weight Control

Important New Research Focuses On Protein and Amino Acids For Weight Management

Scientific literature supports an important role for high protein dietary intake to boost a feeling of fullness and enhance weight loss. Interestingly, the source of protein, whether it be animal or plant, does not seem to affect the potential benefits, says a new study review.

A review of the literature confirms that, while there is evidence to support a role for high protein diets for enhancing satiety, energy burning, and fat loss, there is no clear evidence to indicate that there is a difference between plant and animal sources of protein.

Scientists from Laval University in Canada and the University of Copenhagen in Denmark present their findings in the journal "Nutrition, Metabolism & Cardiovascular Diseases"

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"Multiple dietary strategies aiming at reducing body weight and preventing weight gain have been proposed and, in recent years, high-protein diets have attracted considerable attention as possible weight management aids. Intake of protein has been shown to favorably influence satiety, thermogenesis, energy efficiency and body composition, particularly during weight- reducing programs," explained the scientists.

"Furthermore, a modest increase in dietary protein content has proven effective in preventing weight regain after a major weight loss in obese subjects, as demonstrated in the recent European multicenter trial known as "Diogenes."

"However, little is known about the effect of protein quality on the regulation of energy balance," they said.

In addressing this question, scientists from Copenhagen set out to test their hypothesis that plant and animal proteins provide similar effect on body weight regulation.

Reviewing the literature they found that animal proteins, and in particular dairy proteins, are superior to plant proteins for building muscle, but there was " no clear evidence to indicate whether there is a difference in the effect dependent on the source of the protein", they said.

The scientists do note, however, that the evidence to date from intervention studies is "inconclusive and the literature is still incomplete".

Daily Dietary Recommendations...

According to the American Food and Nutrition Board, the recommended dietary allowances (RDA) for protein and AA for adults are 0.8 g of protein per kg (2.2 lbs) of body weight. This is equivalent to about 56 grams for a 70 kg (154 lb.) person.http://www.blogger.com/img/blank.gif

There is no established upper limit.

Source: Nutrition, Metabolism & Cardiovascular Diseases
(Published online)
"Effect of proteins from different sources on body composition"

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