How many do we need to eat daily?
A survey of 65,226 people in the UK showed that having 7 or more servings of fruit and vegetables a day is associated with a 42% reduction in risk of death. This parallels our 100% health survey findings of 55,000 people which found that having 7 or more servings of fruit a day tripled ones chances of being in optimal health, while 5 or more servings of vegetables doubled one’s chances.
Another survey in 2014, carried out by researchers at the University College London, found that vegetables conferred a greater health benefit than fruit. While 2 or 3 servings of vegetables a day cut risk of death by 20% the same number of servings of fruit cut risk of death by 10%. Fruit juice and canned fruit conferred no benefit and even a suggestion of harm, no doubt due to the high sugar content, including syrups in canned fruit.
On the basis of all the evidence to date I stand by my recommendation, made more than a decade ago, to shoot for 7 servings a day, being 4-5 servings of vegetables and 2-3 of fruit.
How do you achieve this?
You could have a serving of fruit with breakfast, half of each main meal (2 servings) as vegetables and 2 further servings during the day, as snacks, of either fruit or vegetables. This could be half an avocado or an apple with a few nuts or seeds. Combining protein with fruit or vegetables further lowers its glycemic load.
But which fruit and veg are best?
1. Antioxidant power
If we had been having this conversation a decade ago I would have spoken about the antioxidant power of different fruit and vegetables, that is their ability to quench oxidative damage which underlies the whole ageing process, as well their GL (glycemic load) choosing fruits and vegetables with the least glucose-raising effect and the most antioxidant power. Berries, plums, apples, oranges, broccoli, cabbage, asparagus, avocado and artichoke would have been top of my list on both fronts. While red grapes are high in antioxidants they are ......
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