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Phytother Res. 2019 Jul;33(7):1943-1951. doi: 10.1002/ptr.6393. Epub 2019 Jun 13.

A comparison between the effects of flaxseed oil and fish oil supplementation on cardiovascular health in type 2 diabetic patients with coronary heart disease: A randomized, double-blinded, placebo-controlled trial.

Author information

1
Department of Cardiology, School of Medicine, Kashan University of Medical Sciences, Kashan, Iran.
2
Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran.
3
School of Public Health, University of Saskatchewan, Saskatoon, Saskatchewan, Canada.
4
Physiology Research Center, Kashan University of Medical Sciences, Kashan, Iran.

Abstract

This study compared the effects of flaxseed and fish oil supplementation on cardiovascular risk parameters in diabetic patients with coronary heart disease. Participants were randomly allocated into three intervention groups to receive either 1,000 mg of omega-3 fatty acids from fish oil or 1,000 mg of omega-3 fatty acids from flaxseed oil or placebo (n = 30 each group) twice a day for 12 weeks. A significant reduction in insulin levels (.04) was observed following flaxseed oil and fish oil supplementation compared with the placebo. In addition, a significant reduction in high-sensitivity C-reactive protein (.02) was seen after flaxseed oil supplementation compared with the placebo and a significant increase in total nitrite (.001) was seen after flaxseed oil and fish oil intake compared with placebo. Additionally, a significant increase in total antioxidant capacity (p < .001) after consuming flaxseed oil and fish oil compared with placebo and glutathione levels (.001) after consuming fish oil compared with flaxseed oil and placebo was observed. Overall, our study revealed the beneficial effects of flaxseed oil and fish oil supplementation on few metabolic profiles. This study suggests that the effect of flaxseed oil in reducing insulin and increasing total nitrite and total antioxidant capacity is similar to fish oil.

KEYWORDS:

coronary heart disease; fish oil; flaxseed oil; metabolic status; type 2 diabetes mellitus

PMID:
31190359
DOI:
10.1002/ptr.6393
[Indexed for MEDLINE]

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