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Selenium is an essential micronutrient:
Your body’s cells live, work and die in a constant cycle of supporting and serving your body’s systems, hence Cellular Health is the key to overall bodily health. Think of them as links in the chain - if all your cells are happy and in good condition, then your overall health will be at its best. Properly maintained cells reproduce more correctly, resist oxidative stress, fight deterioration, live longer and even die properly (apoptosis) so that the surrounding healthy cells are not compromised. Several trace minerals (such as iron, zinc and calcium) play a vital role in maintaining cellular health and functionality. Selenium is among the most important of these. Cellular health depends largely on minimising “free radicals” which are produced during respiration and other cellular processes, and are increased by most diseases. Free radicals are particularly damaging to cellular components, including DNA and cell membranes. Free radicals also accelerate the ageing process. When the generation of free radicals in a system exceeds the systems' ability to neutralise and eliminate them, cells (and hence tissues and we ourselves) are said to be under oxidative stress. Selenium, in the form of certain selenoenzymes, has important antioxidant properties, that include “mopping up” free radicals and alleviating oxidative stress. Most of us, however, do not consume enough selenium to maximise health and longevity and minimise disease risk. Selenium must also be supplied to our body in the right form to function effectively and provide us additional health benefits [more].
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