Vitamin C |
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Efficacy of Vitamin C According to GRADE* Ranking: Acute Lymphoblastic Leukemia [1]: Recommendation: No recommendation (There is insufficient evidence to support claims that vitamin C helps to treat acute lymphoblastic leukemia) Grade of Evidence: Very low level of evidence Acute Promyelocytic Leukemia [1, 2, 3, 4]: Recommendation: Weakly in favor (Early studies show vitamin C may be able to help treat acute promyelocyctic leukemia. More studies are needed) Grade of Evidence: Low quality of evidence Age Related Macular Degeneration [5]: Recommendation: Weakly in favor (Early studies show that vitamin e may be able to slow the progression of AMD. More studies are needed) Grade of Evidence: Low quality of evidence AIDS [6]: Recommendation: No recommendation (There is insufficient evidence to show that vitamin c is able to treat AIDS) Grade of Evidence: Very low quality of evidence Anaemia [7, 8, 9]: Recommendation: No recommendation (There is insufficient evidence to support claims that vitamin c is able to treat anaemia. Although there is evidence that vitamin C enhances the absorption of iron, the efficacy in reducing anaemia/iron deficiency is not clear) Grade of Evidence: Very low quality of evidence Anaemia of Chronic Disease [7, 8, 9]: Recommendation: No recommendation (There is insufficient evidence to support claims that vitamin c is able to treat anaemia. Although there is evidence that vitamin C enhances the absorption of iron, the efficacy in reducing anaemia/iron deficiency is not clear) Grade of Evidence: Very low quality of evidence Anal Cancer [10]: Recommendation: No recommendation (There is insufficient evidence to support claims that vitamin C is able to treat anal cancer) Grade of Evidence: Very low quality of evidence Anorectal Cancer [11, 12]: Please note, this management does NOT treat the condition itself. It is proposed only as a weak supportive symptomatic support, and even then, has insufficient evidence to back up this claim at present. Recommendation: No recommendation (There is insufficient evidence to support claims that vitamin C may be able to help treat anorectal cancer. More studies are needed) Grade of Evidence: Very low quality of evidence Atherosclerosis [13, 14, 15]: Please note, this management does NOT treat the condition itself. It may mildly help with some of the symptoms, and even then has insufficient evidence to back up this claim at present. Recommendation: No recommendation (Current studies on whether vitamin C is helpful in treating atherosclerosis are mixed. More studies are needed) Grade of Evidence: Low quality of evidence Bladder Cancer [16, 17, 18, 19, 20, 21, 22]: Please note, this management does NOT treat the condition itself. It may mildly help in preventing some of the symptoms, and even then has insufficient evidence to back up this claim at present. Please note, this acts as a PREVENTATIVE treatment, and not necessarily symptomatic relief. Recommendation: No recommendation (Observational and clinical trials have not shown any evidence that vitamin C has a protective or treatment effect on cancer or chronic diseases) Grade of Evidence: Moderate quality of evidence Breast Cancer [23, 24, 25]: Please note, this management does NOT treat the Breast Cancer itself. It may mildly help with some of the symptoms, and even then has insufficient evidence at present to back up this claim. Recomendation: Weakly in favor (Studies show that vitamin C may be beneficial to those that have breast cancer. More studies are needed) Grade of Evidence: Very low quality of evidence Cervical Cancer: Please note, this management does NOT treat the condition itself. It may mildly help with some of the symptoms, and even then has insufficient evidence to back up this claim at present. Recommendation: No recommendation (There is insufficient evidence to support claims that vitamin c may be able to help treat cervical cancer. More studies are needed) Grade of Evidence: Very low quality of evidence Chronic Leukemia [1, 2, 3, 4]: Please note, this management does NOT treat the condition itself. It is proposed only as a weak supportive symptomatic support, and even then, has insufficient evidence to back up this claim at present. Recommendation: Weakly in favor (Early studies show vitamin C may be able to help treat chronic leukemia. More studies are needed) Grade of Evidence: Low quality of evidence Chronic Myelocytic Leukemia [1, 2, 3, 4]: Please note, this management does NOT treat the condition itself. It is proposed only as a weak supportive symptomatic support, and even then, has insufficient evidence to back up this claim at present. Recommendation: Weakly in favor (Early studies show vitamin C may be able to help treat chronic myelocytic leukemia. More studies are needed) Grade of Evidence: Low quality of evidence Cold [20, 27, 28, 29, 30, 31, 32, 33]: Recommendation: Strongly in favor (Studies show that vitamin C may be beneficial to those that have colds) Grade of Evidence: Moderate quality of evidence Colon Cancer [2, 38, 39]: Recommendation: No recommendation (There is insufficient evidence to support claims that vitamin c may be able to help treat colon cancer. Some studies have concluded that the benefits of vitamin c in patients with colon cancer are negligible. More studies are needed) Grade of Evidence: Very low quality of evidence Colorectal Cancer [2, 34, 41]: Recommendation: No recommendation (There is insufficient evidence to support claims that vitamin c may be able to help treat colon cancer. Some studies have concluded that the benefits of vitamin c in patients with colon cancer are negligible. More studies are needed) Grade of Evidence: Very low quality of evidence Community Acquired Pneumonia [35, 36]: Recommendation: No recommendation (There is insufficient evidence to support claims that vitamin c may be able to help treat colorectal cancer. More studies are needed) Grade of Evidence: Very low quality of evidence Genital Herpes Simplex: Recommendation: No recommendation (There is insufficient evidence to support claims that vitamin C is able to help treat herpes) Grade of Evidence: Very low quality of evidence Gram Negative Bacilli Pneumonia [35, 38]: Please note, this management does NOT treat the condition itself. It is proposed only as a weak supportive symptomatic support, and even then, has insufficient evidence to back up this claim at present. Recommendation: No recommendation (Studies on the effects of vitamin C on pneumonia have yielded mixed conclusions. More studies are needed) Grade of Evidence: Low quality of evidence Herpes Simplex Virus Infections: Recommendation: No recommendation (There is insufficient evidence to support claims that vitamin C is able to help treat herpes) Grade of Evidence: Very low quality of evidence Lung Cancer [18, 19, 21, 22, 39, 40]: Please note, this management does NOT treat the condition itself. It may mildly help in preventing some of the symptoms, and even then has insufficient evidence to back up this claim at present. Please note, this acts as a PREVENTATIVE treatment, and not necessarily symptomatic relief. Recommendation: No recommendation (Observational and clinical trials have not shown any evidence that vitamin C has a protective or treatment effect on lung cancer) Grade of Evidence: Moderate quality of evidence Prostate Cancer [18, 19, 21, 22, 39, 40]: Please note, this management does NOT treat the condition itself. It may mildly help in preventing some of the symptoms, and even then has insufficient evidence to back up this claim at present. Please note, this acts as a PREVENTATIVE treatment, and not necessarily symptomatic relief. Recommendation: No recommendation (Observational and clinical trials have not shown any evidence that vitamin C has a protective or treatment effect on prostate cancer) Grade of Evidence: Moderate quality of evidence Alzheimer's Disease [42, 43, 44]: RecRecommendation: No recommendation (Studies on the effect of Vitamin C on Alzheimer's Disease have found it to be preventative but not effective as a treatment of AD on its own, more research is needed.) Grade of Evidence: Very low level of evidence * www.gradeworkinggroup.org
42. http://www.jbc.org/content/286/31/27559 43. http://lpi.oregonstate.edu/mic/vitamins/vitamin-C 44. http://www.ncbi.nlm.nih.gov/pubmed/22366772  Public DiscussionNo discussions exist for this vitamin yet. You can be the first to create one!
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