Cochrane review finds no evidence that Vitamin E supplementation given to people with mild cognitive impairment (MCI) would help to prevent or delay the progression to dementia. Similarly, there is no evidence that Vitamin E supplementation improves cognitive function in people with MCI or dementia due to Alzheimer’s Disease. | Cochrane Database of Systematic Reviews
The review concluded that from limited evidence, there was nothing to suggest that there are either beneﬁts or harms from vitamin E supplements. As the quality of evidence was only moderate, the authors suggest further trials are needed to conﬁrm the ﬁndings.