It would be ideal to get vitamins and minerals from the diet, such as from fruits and vegetables, which contain essential components. Is your diet really that balanced and do you control your intake of all minerals and vitamins? Multivitamins are a practical solution, you don't need to check the amount of vitamin C or iron you get from your diet, because you already have them guaranteed according to the product packaging. Among other things, eating fruits and vegetables is ideal, but as we age our nutritional needs increase and at the same time the body has more trouble absorbing nutrients. [21] Finally, and equally noteworthy, a particular type of diet, such as veganism or the difficulty of absorbing certain nutrients from the diet, may be the reason for the lack of nutrients.