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Feasibility of Vitamin C in the Treatment of Post Viral Fatigue with Focus on Long COVID, Based on a Systematic Review of IV Vitamin C on Fatigue

1
Medical Science Department, Pascoe Pharmazeutische Präparate GmbH, 35383 Giessen, Germany
2
Department of Internal Medicine, University Medicine Rostock, 18057 Rostock, Germany
*
Author to whom correspondence should be addressed.
Academic Editor: Carol S. Johnston
Nutrients 2021, 13(4), 1154; https://doi.org/10.3390/nu13041154
Received: 2 March 2021 / Revised: 25 March 2021 / Accepted: 27 March 2021 / Published: 31 March 2021
(This article belongs to the Special Issue Vitamins C and D: Global and Population Health Perspectives)
Fatigue is common not only in cancer patients but also after viral and other infections. Effective treatment options are still very rare. Therefore, the present knowledge on the pathophysiology of fatigue and the potential positive impact of treatment with vitamin C is illustrated. Additionally, the effectiveness of high-dose IV vitamin C in fatigue resulting from various diseases was assessed by a systematic literature review in order to assess the feasibility of vitamin C in post-viral, especially in long COVID, fatigue. Nine clinical studies with 720 participants were identified. Three of the four controlled trials observed a significant decrease in fatigue scores in the vitamin C group compared to the control group. Four of the five observational or before-and-after studies observed a significant reduction in pre–post levels of fatigue. Attendant symptoms of fatigue such as sleep disturbances, lack of concentration, depression, and pain were also frequently alleviated. Oxidative stress, inflammation, and circulatory disorders, which are important contributors to fatigue, are also discussed in long COVID fatigue. Thus, the antioxidant, anti-inflammatory, endothelial-restoring, and immunomodulatory effects of high-dose IV vitamin C might be a suitable treatment option. View Full-Text
Keywords: ascorbic acid; post-viral fatigue; lack of concentration; sleep disturbances; depression ascorbic acid; post-viral fatigue; lack of concentration; sleep disturbances; depression
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MDPI and ACS Style

Vollbracht, C.; Kraft, K. Feasibility of Vitamin C in the Treatment of Post Viral Fatigue with Focus on Long COVID, Based on a Systematic Review of IV Vitamin C on Fatigue. Nutrients 2021, 13, 1154. https://doi.org/10.3390/nu13041154

AMA Style

Vollbracht C, Kraft K. Feasibility of Vitamin C in the Treatment of Post Viral Fatigue with Focus on Long COVID, Based on a Systematic Review of IV Vitamin C on Fatigue. Nutrients. 2021; 13(4):1154. https://doi.org/10.3390/nu13041154

Chicago/Turabian Style

Vollbracht, Claudia; Kraft, Karin. 2021. "Feasibility of Vitamin C in the Treatment of Post Viral Fatigue with Focus on Long COVID, Based on a Systematic Review of IV Vitamin C on Fatigue" Nutrients 13, no. 4: 1154. https://doi.org/10.3390/nu13041154

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