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Metabolism. 1992 Jul;41(7):686-8.

The effect of ephedrine/caffeine mixture on energy expenditure and body composition in obese women.

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  • 1Research Department of Human Nutrition, Royal Veterinary and Agricultural University, Copenhagen, Denmark.

Abstract

Treatment with beta 2-agonists promotes fat loss and muscle growth in numerous species, but human studies are lacking. We studied the effect of a compound with beta 2-agonistic properties (ephedrine 20 mg/caffeine 200 mg [E + C]). Fourteen obese women were treated with a 4.2-MJ/d diet and either E + C or placebo (P) three times per day for 8 weeks in a double-blind study. Weight-loss was not different in the groups, but the E + C group lost 4.5 kg more body fat and 2.8 kg less fat-free mass (FFM). The decrease in 24-hour energy expenditure (EE) seen in the P group was 10% at day 1 and 13% at day 56, but was only 7% and 8% in the treated group (P = .044). The higher EE in the E +C group was entirely covered by fat oxidation. These findings provide evidence that promotion of fat loss and preservation of FFM during weight reduction may also be achieved pharmacologically in humans.

PMID:
1619985
[PubMed - indexed for MEDLINE]
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