Krill Oil Supplementation Does Not Change Waist Circumference and Sagittal Abdominal Diameter in Overweight Women: A Pilot Balanced, Double-Blind, and Placebo-Controlled Clinical Trial

Patrícia C. B. Lobo, Letícia N. Roriz, Jéssika M. Siqueira, Bruna M. Giglio, Ana C. B. Marini, Flávia C. Corgosinho, Raquel M. Schincaglia and Gustavo D. Pimentel ()
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Patrícia C. B. Lobo: Faculty of Nutrition, Federal University of Goias, Goiânia 74605-080, Brazil
Letícia N. Roriz: Faculty of Nutrition, Federal University of Goias, Goiânia 74605-080, Brazil
Jéssika M. Siqueira: Faculty of Nutrition, Federal University of Goias, Goiânia 74605-080, Brazil
Bruna M. Giglio: Faculty of Nutrition, Federal University of Goias, Goiânia 74605-080, Brazil
Ana C. B. Marini: Faculty of Nutrition, Federal University of Goias, Goiânia 74605-080, Brazil
Flávia C. Corgosinho: Faculty of Nutrition, Federal University of Goias, Goiânia 74605-080, Brazil
Raquel M. Schincaglia: Faculty of Nutrition, Federal University of Goias, Goiânia 74605-080, Brazil
Gustavo D. Pimentel: Faculty of Nutrition, Federal University of Goias, Goiânia 74605-080, Brazil

IJERPH, 2022, vol. 19, issue 20, 1-8

Abstract: An excess of body fat is one of the biggest public health concerns in the world, due to its relationship with the emergence of other health problems. Evidence suggests that supplementation with long-chain polyunsaturated fatty acids (omega-3) promotes increased lipolysis and the reduction of body mass. Likewise, this clinical trial aimed to evaluate the effects of supplementation with krill oil on waist circumference and sagittal abdominal diameter in overweight women. This pilot, balanced, double-blind, and placebo-controlled study was carried out with 26 women between 20 and 59 years old, with a body mass index >25 kg/m 2 . The participants were divided into the control (CG) ( n = 15, 3 g/daily of mineral oil) and krill oil (GK) ( n = 16, 3 g/daily of krill oil) groups, and received the supplementation for eight weeks. Food intake variables were obtained using a 24 h food recall. Anthropometric measurements (body mass, body mass index, waist circumference, and sagittal abdominal diameter) and handgrip strength were obtained. After the intervention, no changes were found for the anthropometric and handgrip strength variables ( p > 0.05). Regarding food intake, differences were found for carbohydrate ( p = 0.040) and polyunsaturated ( p = 0.006) fatty acids, with a reduction in the control group and an increase in krill oil. In conclusion, supplementation with krill oil did not reduce the waist circumference and sagittal abdominal diameter. Therefore, more long-term studies with a larger sample size are necessary to evaluate the possible benefits of krill oil supplementation in overweight women.

Keywords: krill oil; anthropometry; food intake; adiposity (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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