Saturday, September 17, 2011

Weight Loss and Whey Protein

In a study of 90 overweight and obese participants were randomly assigned to 1 of 3 treatment groups for 23 wk: 1) WP; 2) SP (each providing ~56 g/d of protein and 1670 kJ/d); or 3) an isoenergetic amount of CHO by Beltsville Human Nutrition Research Center (1), indicated that after 23 wk, body weight and composition did not differ between the groups consuming the SP (Soy protein) and WP (Whey protein) or between SP and CHO (an isoenergetic amount of carbohydrate); however, body weight and fat mass of the group consuming the WP were lower by 1.8 kg (P < 0.006) and 2.3 kg (P < 0.005), respectively, than the group consuming CHO. Lean body mass did not differ among any of the groups. Waist circumference was smaller in the participants consuming WP than in the other groups (P < 0.05).
Whey protein diet is superior than either Soy protein or isoenergetic amount of carbohydrate for obese people to loss weight.

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(1)" Whey protein but not soy protein supplementation alters body weight and composition in free-living overweight and obese adults". by Baer DJ, Stote KS, Paul DR, Harris GK, Rumpler WV, Clevidence BA. PubMed

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