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[2] PUB MAD- J Am Coll Nutr- Effect of five-year supplementation of vitamin C on serum vitamin C concentration and consumption of vegetables and fruits in middle-aged Japanese: a randomized controlled trial Mi Kyung Kim 1, Shizuka Sasazuki, Satoshi Sasaki, Shunji Okubo, Masato Hayashi, Shoichiro Tsugane. Published Jun 2003
[3] Oxidative Medicine and Cellular Longevity / 2015 / Article- Influence of Vitamin C Supplementation on Oxidative Stress and Neutrophil Inflammatory Response in Acute and Regular Exercise Ljiljana M. Popovic,1 Nebojsa R. Mitic,1 Dijana Miric,2 Boban Bisevac,3 Mirjana Miric,1 and Brankica Popovic4
[4] Nutrients. 2017 Apr- Vitamin C and Infections Harri Hemilä. Published online Mar 2017.
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[6] Volume 2018 Show citation- Extra Dose of Vitamin C Based on a Daily Supplementation Shortens the Common Cold: A Meta-Analysis of 9 Randomized Controlled Trials- Li Ran,1 Wenli Zhao,1,2 Jingxia Wang,3 Hongwu Wang,4 Ye Zhao,3,5 Yiider Tseng,5 and Huaien Bu4