Hello, taking VC for a long time generally has no side effects, but this statement is different. Generally speaking, normal daily supplements are harmless.

Guiding opinions:

After consultation, it was learned that some people also said: the toxic and side effects of Vc: taking 1g~4g daily can cause diarrhea, hyperacidity of skin, gastric juice reflux, excretion of oxalate and patulin in urine, and can induce the development of oxalate stones and urinary calculi. It can cause venous thrombosis, intravascular bleeding or coagulation, and sometimes lead to decreased phagocytosis. When the daily dosage exceeds 5g, it can lead to hemolysis and diseases, reduce female fertility and affect embryos.