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Obesity (Silver Spring). 2016 Feb;24(2):297-304. doi: 10.1002/oby.21327. Epub 2015 Dec 26.

The effects of water and non-nutritive sweetened beverages on weight loss and weight maintenance: A randomized clinical trial.

Author information

1
University of Colorado, Anschutz Medical Campus, Anschutz Health and Wellness Center, Aurora, Colorado, USA.
2
University of Florida, Department of Health Outcomes and Policy, Gainesville, Florida, USA.
3
Weight Watchers, New York, New York, USA.
4
Department of Medicine, Temple University, Center for Obesity Research and Education, Philadelphia, Pennsylvania, USA.

Abstract

OBJECTIVE:

To evaluate the effects of water versus beverages sweetened with non-nutritive sweeteners (NNS) on body weight in subjects enrolled in a year-long behavioral weight loss treatment program.

METHODS:

The study used a randomized equivalence design with NNS or water beverages as the main factor in a trial among 303 weight-stable people with overweight and obesity. All participants participated in a weight loss program plus assignment to consume 24 ounces (710 ml) of water or NNS beverages daily for 1 year.

RESULTS:

NNS and water treatments were non-equivalent, with NNS treatment showing greater weight loss at the end of 1 year. At 1 year subjects receiving water had maintained a 2.45 ± 5.59 kg weight loss while those receiving NNS beverages maintained a loss of 6.21 ± 7.65 kg (P < 0.001 for difference).

CONCLUSIONS:

Water and NNS beverages were not equivalent for weight loss and maintenance during a 1-year behavioral treatment program. NNS beverages were superior for weight loss and weight maintenance in a population consisting of regular users of NNS beverages who either maintained or discontinued consumption of these beverages and consumed water during a structured weight loss program. These results suggest that NNS beverages can be an effective tool for weight loss and maintenance within the context of a weight management program.

PMID:
26708700
PMCID:
PMC4744961
DOI:
10.1002/oby.21327
[Indexed for MEDLINE]
Free PMC Article

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