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ELITE HEALTH | by Dr Pisuth LertvilaiWHY DO WE NEEDVITAMINS?On the various health benefits of supplementsW hen we were young, health education in primary school provided information on the basic food components, categorized into five groups. Three of these groups fall under the category of macronutrients, large in structure and needed daily in substantial quantities: proteins, fats and carbohydrates. The other two,vitamins and minerals, are needed in smaller quantities and are called micronutrients. All five groups of nutrients are essential. Macronutrients support basic biological needs, pro- viding the energy for daily activities, while vitamins and minerals, although needed in smaller quantities, are necessary for normal metabolism and