VITAMIN C AND CHEMOTHERAPY
My channel :
A debate is under way in terms of taking vitamin C or other antioxidants as well as a cancer treatment with chemotherapy. Researchers believe that antioxidants can reduce the effect of certain anticancer drugs that act by producing radicals.
According to a summary published in 2007, there is no evidence of negative interaction between oral intake of vitamin C and other antioxidants and cancer treatment in human. Some studies even point to a protective effect against the toxic effects of treatments.
Uncertain efficacy prevention of cataracts, epidemiological data indicate a correlation between high levels of vitamin C in the blood and a reduced prevalence. As for clinical trials, the results obtained with antioxidant supplements containing vitamin C. More recently, a meta-analysis reported no preventive effect of vitamin C.
Uncertain efficacy prevention of macular degeneration, in a 2001 study (AREDS), 3640 subjects aged 55 to 80 years were followed for 6 years. In those with moderate to advanced macular degeneration, taking a supplement containing 500 mg of vitamin C, 400 IU of vitamin E, 15 mg of beta carotene and 80 mg of zinc slowed progression maladie28.
However, according to a meta-analysis of over 60,000 individuals, vitamin C does not prevent or retard macular degeneration and should not be recommended in this indication58.
Uncertain efficacy treatment of asthma, according to a 2009 study, a diet low in vitamins A and C is associated. Treatment with vitamin C has been tried, but their quality and the results were considered insufficient to recommend the use of supplements in treating.
Ineffective treatment of colds, in recent decades, numerous studies have examined the effectiveness of vitamin C for colds. Their results indicate that taking supplements does not significantly reduce the length or severity of colds among both adults.
Long-term consumption of high doses of vitamin C supplements should be avoided if:
Kidney failure accompanied by a metabolic disorder of vitamin C or oxalic acid