Fat helps with the absorption of fat soluble vitamins, of which vitamin E may be particularly important for brain health.

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"More is not necessarily better...some vitamins and minerals can be toxic in high doses, " particularly the fat-soluble ones which the body stores like Vitamins A, D, E and K, explained Claire Williamson, Nutrition Scientist at the British Nutrition Foundation.

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Other fat soluble vitamins have been found to actually increase the risk of cancer if supplemented too aggressively.

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