Vitamin C is an essential water soluble vitamin our body cannot produce. It is a potent antioxidant and has many roles in the proper function of the human organism and it is linked with many health benefits. Some are: supports the immune system, helps in high blood pressure and lowers the risk of heart disease, reduces blood uric acid levels and help prevent gout attacks, prevents iron deficiency, protects our memory and thinking as we age, reduces cancer risk, prevents common cold, protect against eye disease and help in lead toxicity.
Check the following references for info:
https://www.kjfm.or.kr/journal/view.php?doi=10.4082/kjfm.2015.36.6.278
https://academic.oup.com/ajcn/article/91/2/487/4597243
https://pubmed.ncbi.nlm.nih.gov/25157026/
https://www.hindawi.com/journals/omcl/2015/295497/
https://pubmed.ncbi.nlm.nih.gov/15139458/
https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD005532.pub3/full
https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD000980.pub4/full
https://pubmed.ncbi.nlm.nih.gov/6842805/
https://ods.od.nih.gov/factsheets/VitaminC-HealthProfessional/
https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD004567.pub2/full
https://pubmed.ncbi.nlm.nih.gov/23675073/
https://journals.humankinetics.com/view/journals/ijsnem/7/1/article-p1.xml
https://pubmed.ncbi.nlm.nih.gov/8595334/
https://pubmed.ncbi.nlm.nih.gov/22710913/
https://www.tandfonline.com/doi/abs/10.1080/07315724.2003.10719295
https://pubmed.ncbi.nlm.nih.gov/12564647/
https://pubmed.ncbi.nlm.nih.gov/22492364/
https://academic.oup.com/ajcn/article/80/6/1508/4690474
https://pubmed.ncbi.nlm.nih.gov/17508099/
https://content.iospress.com/articles/journal-of-alzheimers-disease/jad111853
https://journals.sagepub.com/doi/10.1097/HJR.0b013e3282f11f95
https://www.sciencedirect.com/science/article/pii/S0899346708000281
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2853937/
https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/414828
https://pubmed.ncbi.nlm.nih.gov/21671418/
https://www.sciencedirect.com/science/article/abs/pii/S0891584998001324
https://pubmed.ncbi.nlm.nih.gov/16297506/
https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(74)91874-1/fulltext