Brightly coloured fruit and vegetables contain a huge spectrum of antioxidants and phytonutrients, many of which probably don't even have names yet. It has been estimated that there are perhaps 12,000 different antioxidants in the plants that we eat, so there's no way that we could ever expect a regular "antioxidant supplement" to contain all of the elements that we need for brain health, or indeed the health of any other body part! Studies in both dogs and humans have indicated that oxidative stress is one of the main factors involved in brain ageing. This can successfully be reversed using whole food antioxidant supplementation and basing the diet on whole, ripe, raw vegetables and fruit, rather than meat and dairy, which contain no beneficial antioxidants.
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