維生素C可打針,也可靜脈注射.有人嚐試靜脈注射治療新冠或癌症,當然等級比口服要高.口服不過量有啥好擔心？

https://www.siriusstore.com/High-dose-intravenous-vitamin-c-and-metastatic-pancreatic-cancer-Two-cases.php