“A Controlled Trial of Protein Enrichment of Meal Replacements for
Weight Reduction and Retention of Lean Body Mass.”
Leo Treyzon, Steve Chen, Kurt Hong, Eric Yan, Catherine Carpenter,
Gail Thames, Susan Bowerman, He-Jing Wang, Robert Elashoff and
Zhaoping Li - UCLA Center for Human Nutrition
What was the study about? This study enrolled 100 overweight people
to examine the effects of two different levels of protein in the diet on their
weight loss over a one-year period.
What did the study attempt to find out? The researchers wanted to
see if the people taking in more protein would lose more weight than
people taking in a more standard amount of protein. Since protein helps
to maintain lean body mass, they also wanted to see if people on higher
protein would lose more body fat than those people in the regular protein
group, even if both groups ended up losing the same amount of weight.
What did the study subjects have to do? The subjects had to follow a
diet that included two meal replacement shakes per day (Formula 1 with
milk with one healthy meal and snacks. The subjects were evenly
divided into two groups. One group–the high protein group--made their
shakes with extra protein powder added (PPP) The other group–the
placebo group-made their shakes with Formula 1, but added a placebo
(look-alike) PPP powder that had no protein in it. The subjects did not
know which group they were in.
What happened? Weight loss was about the same in both groups, but,
as the researchers suspected, the people consuming more protein lost
more body fat than the people consuming standard amounts of protein.
Also, the study showed that meal replacement shakes are an effective
way to lose weight.
Have the results been published yet? The results of the study have
been published in the August 2008 issue of Nutrition Journal. You can
view the article at http://www.nutritionj.com/content/7/1/23
NOTE: A clinical study is a study that is conducted by a group of
researchers on human subjects to answer a particular question or
hypothesis.
These results are not a guarantee of similar results. Individual results
from consumption of Herbalife products will vary.
Susan Bowerman is a consultant to Herbalife.
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