1, because daily vitamin c if you take in too much, can produce side effects, such as mild for nausea, vomiting, diarrhea. If you overdose on vitamin c for a long time, you will also experience symptoms of scurvy once you stop taking the medicine, including swollen gums, loose teeth and bleeding gums.
2, children take too much vitamin c, can make later easy to suffer from bone disease, affect the degree of cell formation, affect growth and development.
3, daily oral overdose of vitamin c, prone to urinary tract stones, kidney stones, resulting in hematuria and renal colic.
4, daily taking too much vitamin c can also antagonize the anticoagulant effect of heparin and bicoumarin, easy to lead to the formation of blood clots, the original cardiovascular and cerebrovascular disease patients are more prone to cerebral infarction, heart attack.
5, the intake of large amounts of vitamin c, can make the urinary excretion increase, and its reducibility can produce a false-positive reaction of urinary glucose, thus hindering the diagnosis of diabetic patients and mastering the exact dosage of drugs called sugar.
6, large doses of vitamin c can also reduce the fertility of women and affect the embryonic development process, is not conducive to fertility.
7, daily vitamin C excess will lead to increased intestinal peristalsis, causing abdominal pain in some patients, diarrhea, but also easy to lead to vitamin B12 deficiency anemia.