Harvard nutritionist: This is the No. 1 vitamin to keep your brain sharp
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Harvard nutritionist says this is the number one vitamin to keep brain sharp
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Harvard nutritionist: This is the No. 1 vitamin to keep your brain sharp

Nutritional psychiatrist and Harvard brain expert, Dr. Uma Naidoo, shares the best vitamin to keep your brain healthy and sharp.
03:24
Wed, Sep 14 20221:10 PM EDT