Research Shows Diet Beverages Play a Positive Role in Weight Loss Program

New Research Affirms That Drinking Diet Beverages Helps People Lose Weight

A groundbreaking study conclusively affirms that consuming diet beverages aids in weight loss. Credit: University of Colorado

A new 12-week clinical study is the first prospective, randomized clinical trial to directly compare the effects of water and diet beverages on weight loss within a behavioral weight loss program, revealing that drinking diet beverages helps people lose weight.

Aurora, Colorado – A groundbreaking new study released today by the University of Colorado’s Anschutz Health and Wellness Center and published in Obesity, the journal of The Obesity Society, confirms definitively that drinking diet beverages helps people lose weight.

“This study clearly demonstrates that diet beverages can in fact help people lose weight, directly countering myths in recent years that suggest the opposite effect – weight gain,” said James O. Hill, PhD, executive director of the University of Colorado’s Anschutz Health and Wellness Center and a co-author of the study. “In fact, those who drank diet beverages lost more weight and reported feeling significantly less hungry than those who drank water alone. This reinforces that if you’re trying to shed pounds, you can enjoy diet beverages.”

The 12-week clinical study of 303 participants is the first prospective, randomized clinical trial to directly compare the effects of water and diet beverages on weight loss within a behavioral weight loss program. Conducted simultaneously by researchers at the University of Colorado Anschutz Health and Wellness Center in Aurora, Colorado, and Temple University’s Center for Obesity Research and Education in Philadelphia, the study shows that subjects who consumed diet beverages lost an average of 13 pounds – 44 percent more than the control group, which lost an average of 9 pounds. More than half of the participants in the diet beverage group — 64 percent — lost at least five percent of their body weight, compared with only 43 percent of the control group. Losing just five percent of body weight has been shown to significantly improve health, including lowering the risk of heart disease, high blood pressure, and type 2 diabetes.

“There’s so much misinformation about diet beverages that isn’t based on studies designed to test cause and effect, especially on the internet,” said John C. Peters, PhD, co-author of the study and the chief strategy officer of the CU Anschutz Health and Wellness Center. “This research allows dieters to feel confident that low and no-calorie sweetened beverages can play an important and helpful role as part of an effective and comprehensive weight loss strategy.”

Study participants were randomly assigned to one of two groups: those who were allowed to drink diet beverages, such as diet sodas, teas, and flavored waters, or those who were in a control group that drank water only. With the exception of beverage options, both groups followed an identical diet and exercise program for the duration of the study.

In addition to losing 44 percent more weight than the control group, the diet beverage group also:

  • Reported feeling significantly less hungry;
  • Showed significantly greater improvements in serum levels of total cholesterol and low-density lipoprotein (LDL) — the so-called “bad” cholesterol; and
  • Saw a significant reduction in serum triglycerides.

Both diet soda and water groups saw reductions in waist circumference, and blood pressure.

This latest study adds to the body of research demonstrating that diet beverages do not hinder, but in fact help, with weight loss. In particular, two studies published in the American Journal of Clinical Nutrition by researchers from the University of North Carolina in 2012 and 2013 randomly assigned non-dieting participants to drink either water or diet beverages. While both groups cut their food intake significantly, after six months the diet beverage group had a greater likelihood of reaching a meaningful (5 percent) amount of weight loss compared to the control group. The diet beverage group also experienced a greater reduction in dessert consumption than the water group. Overall, the findings suggest that diet beverages do not fuel a preference for sweet foods and drinks.

Additional research published in 2009 on weight loss maintenance, drawn from the National Weight Control Registry, found that successful weight loss maintainers drank three times more diet beverages than those who had never lost weight.

The study was supported by the American Beverage Association (ABA), a trade association in Washington, DC. It was peer-reviewed and posted on www.clinicaltrials.gov. Neither ABA, nor any of its members, was involved in any part of the study, its analysis, or the writing of this paper.

Reference: “The effects of water and non-nutritive sweetened beverages on weight loss during a 12-week weight loss treatment program” by John C. Peters, Holly R. Wyatt, Gary D. Foster, Zhaoxing Pan, Alexis C. Wojtanowski, Stephanie S. Vander Veur, Sharon J. Herring, Carrie Brill and James O. Hill, 26 May 2014, Obesity.
DOI: 10.1002/oby.20737

 

10 Comments on "Research Shows Diet Beverages Play a Positive Role in Weight Loss Program"

  1. Idiots… 12 weeks.. duh. I did a study and determined no women is pregnant in twelve weeks since her belly is not larger! :/

  2. I wonder who funded this study?

    • The study was supported by the American Beverage Association (ABA), a trade association in Washington, DC.

  3. Thanks. Really Great Article. Hope Everyone Read It Carefully.
    I think There Is One Way To Kill The Fats In A Few Weeks .

  4. Funding Agencies: The study was fully funded by The American Beverage Association.
    Disclosure: JCP, JOH received consulting fees from The Coca-Cola Company outside of the submitted work. The remaining co-authors declared no conflict of interest.
    Author contributions: JP, HW, GF, ZP, JH, were involved in study design, data analysis and data interpretation; CB, SH, SV, AW were involved in data collection. All
    authors were involved in writing the manuscript and approved the final submission.
    Received: 16 January 2014; Accepted: 7 March 2014; Published online 27 May 2014. doi:10.1002/oby.20737

  5. Don Bodenbach | March 1, 2015 at 11:32 pm | Reply

    Diet beverages is health conscious, it saves you 140 plus calories you’d find in a sugary soft drink, while still satisfying your urge for something sweet.

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  9. But most Importantly, those who are thinking that they can now drink Coke also in diabetes , They are wrong. Diet Beverages is totally a different thing than general beverages. But the percentage of success in this study is nearly 65% , proving that difference in metabolic system can also influence weight gaining or losing. Drinking diet Beverages may not work on every one…

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