Swedish researchers conducted a double-blind, placebo-controlled randomized trial of a high DHA supplement in patients with mild Alzheimer’s disease, providing a total of 2300 mg of omega 3 fatty acids per day for six months. At the end of the study those receiving the supplement had higher levels of DHA in their cerebrospinal fluid, along with reduced tau proteins and reduced inflammation.
This study proves that DHA supplementation in humans crosses the blood brain barrier and directly influences the metabolic problems of Alzheimer’s disease in a positive way. The study demonstrates the higher the level of DHA the better the improvement. This study is relevant to any person wishing to preserve better cognitive function during aging.


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