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Effects of coenzyme Q10 on arterial stiffness, metabolic parameters, and fatigue in obese subjects: a double-blind randomized controlled study

 Yong-Jae Lee  ;  Wan-Je Cho  ;  Jong-Koo Kim  ;  Duk-Chul Lee 
 Journal of Medicinal Food, Vol.14(4) : 386-390, 2011 
Journal Title
 Journal of Medicinal Food 
Issue Date
This study investigated the effects of coenzyme Q(10) supplementation on metabolic parameters, inflammatory markers, arterial stiffness, and fatigue in obese subjects. We performed a randomized, double-blind, placebo-controlled, single-center study on 51 obese subjects with a body mass index (BMI) of ≥25 kg/m(2). Subjects were randomized into either a coenzyme Q(10) (200 mg/day) group (n = 26, BMI = 27.9 ± 2.3 kg/m(2), age = 42.7 ± 11.3 years) or a placebo group (n = 25, BMI = 26.8 ± 2.8 kg/m(2), age = 41.3 ± 11.2 years) for a 12-week study. We collected anthropometric measurements, blood for laboratory testing, brachial-ankle pulse wave velocity (baPWV) as an indicator of arterial stiffness, and responses to a fatigue severity scale (FSS) questionnaire at the initial (0 week) and final (12 weeks) visits. A total of 36 subjects successfully completed the study protocol. Serum coenzyme Q(10) levels increased significantly from 0.65 ± 0.27 μg/mL to 1.20 ± 0.38 μg/mL in the coenzyme Q(10) group (P < .001). Oral administration of coenzyme Q(10) did not significantly affect lipid profiles, oxidative and inflammatory markers [including lipoprotein (a), oxidized low-density lipoprotein level, C-reactive protein, and white blood cell count], or baPWV. The mean FSS score decreased significantly from 40.1 to 33.1 in the coenzyme Q(10) group (P = .017), but no significant change was seen in the placebo group (P = .464). However, the extents of the change in mean FSS score between the placebo and coenzyme Q(10) groups were not significantly different (P = .287). In conclusion, we found no evidence that coenzyme Q(10) affects fatigue index, arterial stiffness, metabolic parameters, or inflammatory markers.
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1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Family Medicine (가정의학교실)
Yonsei Authors
김종구(Kim, Jong Koo) ; 이덕철(Lee, Duk Chul) ; 이용제(Lee, Yong Jae)
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