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Diabetol Metab Syndr. 2018 Nov 8;10:80. doi: 10.1186/s13098-018-0384-8. eCollection 2018.

Comparative effects of vitamin D and vitamin C supplementations with and without endurance physical activity on metabolic syndrome patients: a randomized controlled trial.

Author information

1
1Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Science, International Campus (TUMS-IC), Tehran, Iran.
2
2Halabja Technical Institute, Sulaimani Polytechnic University, Kurdistan, Iraq.
3
3Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran.

Abstract

Objective:

Vitamin D and C levels have inverse relation with the metabolic syndrome components and they are used as antioxidant supplements during enduring metabolic activities. In the present study, we hypothesized that the intake of vitamin D and/or C with endurance physical activity might reduce the risk of metabolic syndrome.

Methods:

A randomized control study recruited 180 participants of both genders, aged between 30 and 50 years. The participants were assigned into six groups receiving different doses of vitamin D or vitamin C with or without physical activities. Data were collected over a period of 3 months, and the results were analyzed using SPSS version 20.

Results:

Variations in the effect of the supplements on various body variables including: Fasting plasma glucose, total cholesterol, low-density lipoprotein cholesterol and blood pressure, showed that vitamin D has more influence compared to vitamin C. However, vitamin D and C supplements do not have any effect on weight when consumers are undergoing endurance physical exercise. But vitamin C consumer group has more effect in waist circumference, triglyceride, and high-density lipoprotein, as compared to vitamin D consumer group.

Conclusion:

We conclude that, consumption of vitamin D or vitamin C supplements may improves the life of metabolic syndrome patients. However, the combination of physical activities and vitamin supplements maximize the effect, and this combination should be recommended.Trial registration WHO-ICTRP IRCT20161110030823N2. Registered 01 February 2018. http://apps.who.int/trialsearch/Trial2.aspx?TrialID=IRCT20161110030823N2.

KEYWORDS:

Endurance physical activity; IDF; Metabolic syndrome; Vitamin C; Vitamin D

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