No.

Long-term and large-dose intake of vitamin C may cause the urine to become more acidic, which is not conducive to the excretion of certain substances from the urine, thus inducing stones.

Vitamin C is a water-soluble vitamin. In the body, in addition to acting as a highly effective antioxidant to reduce oxidative stress in the body, it is also an essential substance for maintaining normal metabolism and physiological functions of the human body.

Since the human body cannot synthesize vitamin C by itself, it must be ingested through food, drugs, etc. The human body's daily requirement for vitamin C is very small. Generally, a healthy male's daily intake of 60 to 70 mg is sufficient.

Extended information

It should be noted that because plant tissues contain ascorbate, the vitamin C content in vegetables that have been stored for a long time will decrease; in addition, heating, acid and alkali will It can destroy vitamin C, so to supplement vitamin C, it is better to eat raw or cold vegetables.

Food (especially fresh vegetables and fruits) is the best source of vitamin C. Healthy people who maintain a reasonable diet do not need to supplement. Vitamin C deficiency due to other reasons, such as insufficient intake of fruits and vegetables, reduced absorption capacity, long-term outdoor and sea life, pathological conditions (fever, trauma, infection, etc.), interference with oral medications, pregnancy and breastfeeding, etc. , it needs to be supplemented appropriately.

People's Daily Online-Seven situations when using vitamin C with caution