看看知乎上一篇反駁文章.說Vc不會變成結石成分是對的.

https://zhuanlan.zhihu.com/p/126318078

• The kidneys filter excess vitamin C from the body.
• Getting high doses of vitamin C from supplements could increase your risk of kidney stones.
• Some research shows that higher vitamin C intake may lower your risk for kidney cancer, but further study is needed.一些研究表明，較高的維生素 C 攝入量可能會降低患腎癌的風險，但需要進一步研究

Vc化學結構