As we all know, Vitamin C is good for human body, especially good for the immune system.What's more has many beneficial functions, from providing better iron absorption to efficient fighting against infection and its ability to preserve skin elasticity.
There is currently no exact saying about the collection between Vc and dry eyes. But continued excessive use of the vitamin can cause a lot of harmful symptoms, have a lot of side effects on our body. It may cause diarrhea, kidney stones, nausea and tamper with the analysis of blood work results.What's more, it can cause vomiting, face flushing, fatigue, sleep disturbances and headaches, increased urination, gas, stomach cramps, insomnia, and back/joint pain can also occur. Too much use of Vc can also cause dry hair, so, from this aspect,it may cause dry eyes.