Journal
BRITISH JOURNAL OF NUTRITION
Volume 111, Issue 8, Pages 1507-1519Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0007114513003875
Keywords
Energy restriction; Microbiota; Body composition; Probiotics
Categories
Funding
- Nestle Research Center (Lausanne, Switzerland)
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The present study investigated the impact of a Lactobacillus rhamnosus CGMCC1.3724 (LPR) supplementation on weight loss and maintenance in obese men and women over 24 weeks. In a double-blind, placebo-controlled, randomised trial, each subject consumed two capsules per d of either a placebo or a LPR formulation (1 center dot 6x10(8) colony-forming units of LPR/capsule with oligofructose and inulin). Each group was submitted to moderate energy restriction for the first 12 weeks followed by 12 weeks of weight maintenance. Body weight and composition were measured at baseline, at week 12 and at week 24. The intention-to-treat analysis showed that after the first 12 weeks and after 24 weeks, mean weight loss was not significantly different between the LPR and placebo groups when all the subjects were considered. However, a significant treatmentxsex interaction was observed. The mean weight loss in women in the LPR group was significantly higher than that in women in the placebo group (P=0 center dot 02) after the first 12 weeks, whereas it was similar in men in the two groups (P=0 center dot 53). Women in the LPR group continued to lose body weight and fat mass during the weight-maintenance period, whereas opposite changes were observed in the placebo group. Changes in body weight and fat mass during the weight-maintenance period were similar in men in both the groups. LPR-induced weight loss in women was associated not only with significant reductions in fat mass and circulating leptin concentrations but also with the relative abundance of bacteria of the Lachnospiraceae family in faeces. The present study shows that the Lactobacillus rhamnosus CGMCC1.3724 formulation helps obese women to achieve sustainable weight loss.
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