A new study has demonstrated that a strategy as simple as drinking water before meals can result in significant weight loss over a period of time
A new study conducted by researchers from the University of Birmingham, UK, was published this month in the journal Obesity. The study was designed to assess whether drinking water before meals was an effective weight loss strategy for obese patients. In total, 84 obese participants were enrolled in the study. One group of participants was instructed at the beginning of the study to drink 500 ml of water, half an hour before breakfast, lunch, and dinner. Another group of participants was instructed to imagine that their stomach was full before breakfast, lunch, and dinner.
After the study period of 12 weeks, the researchers found that participants who were assigned to drink water before meals lost 1-3kg more than the participants who did not drink water before meals. The results demonstrating greater weight loss in the participants who drank water remained significant even when the researchers took into account other factors such as ethnicity, age, and gender.
Parretti, HM, Aveyard, P, Blannin, A, Clifford, SJ, Coleman, SJ, Roalfe, A, Daley, AJ “Efficacy of water preloading before main meals as a strategy for weight loss in primary care patients with obesity: RCT” Obesity, Volume 23, Issue 9, pages 1785–1791, September 2015
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Written by Deborah Tallarigo, PhD