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Effects of Gelidium elegans on Weight and Fat Mass Reduction and Obesity Biomarkers in Overweight or Obese Adults: A Randomized Double-Blinded Study

1
Department of Clinical Pharmacology and Clinical Trials Center, Severance Hospital, Yonsei University Health System, Seoul 03722, Korea
2
Clinical Trials Center, Severance Hospital, Yonsei University Health System, Seoul 03722, Korea
3
Department of Family Medicine, Yonsei University, College of Medicine, Seoul 03722, Korea
*
Author to whom correspondence should be addressed.
Nutrients 2019, 11(7), 1513; https://doi.org/10.3390/nu11071513
Received: 29 May 2019 / Revised: 27 June 2019 / Accepted: 2 July 2019 / Published: 3 July 2019
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PDF [1744 KB, uploaded 3 July 2019]
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Abstract

The edible seaweed Gelidium elegans (GEE) is known to inhibit adipocyte differentiation. However, there has been no report on its effects in humans. In this study, we investigated whether GEE reduces body weight or fat mass in obese or overweight individuals. A total of 78 participants were randomly assigned to the test (GEE extract 1000 mg/day) and placebo groups at a 1:1 ratio, and treated for 12 weeks. At six or 12 weeks after randomization, they were evaluated for anthropometric parameters, biomarkers, and body composition. Changes in body weight and fat mass between the two groups was significantly different, as determined using ANCOVA adjusted for baseline, calorie intake, and physical activity. Body weight and fat mass were significantly decreased by GEE after 12 weeks but increased in the placebo group. Moreover, although not significant, triglyceride levels tended to decrease after GEE intake. There was no significant difference in other laboratory biomarkers between the two groups. Taken together, these results suggested that GEE significantly reduced body weight, especially fat mass, in overweight or obese individuals. View Full-Text
Keywords: Gelidium elegans; obese; overweight; weight; fat mass Gelidium elegans; obese; overweight; weight; fat mass
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Kim, C.O.; Kim, Y.N.; Lee, D.-C. Effects of Gelidium elegans on Weight and Fat Mass Reduction and Obesity Biomarkers in Overweight or Obese Adults: A Randomized Double-Blinded Study. Nutrients 2019, 11, 1513.

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