Aging is a the resulting process from the build-up of damages of molecules, cells, tissues, and body organs.
The scanty cellular regeneration worsenes with aging and leads to elasticity loss of skin and tissues, artery stiffening, bones fragility, slowing down of healing process, sight and hear decreased.
With aging it also happens a change to metabolism of glucose, lipids, and hormones, as well as stiffening of blood vassels, and reduced resistance. Moreover, it decreases the production of collagen, elastin, and other substances responsible for skin and tissue elasticity.
Free radicals are among the main factors that account for aging process. A part of free radicals forms naturally within body cells during oxidative process (i.e. when oxygen is turned into energy). Particularly, leucocytes (fighting infective agents and allergies), red blood cells, and vascular tissues form free radicals.
Yet, free radicals formation can be caused by external factors such as environmental pollution, UV rays, smoke, stress, alchohol, too much proteins and animal fats in a diet, some drugs (like cortisone-based ones), some body disorders (such as cardiovascular diseases, arthritis, inflammations, etc.), and overdrive working out, since it leads to the increasing of oxygen-based reactions.
Biochemically, free radicals are unsteady molecules having just one electron instead of two. Searching for a balance, free radicals take possesion of electron of molecules they are next to and trigger a chain reaction.
Free radicals action can lead to premature cell aging – and to tissue elasticity loss, besides wrinkles formation -, as well as to disorders and pathologies like dermatitis, diabetes, rheumatoid arthritis, cataracts, Alzheimer's disease, etc.
Antioxidants work over to re-establish the balance into free radicals by providing the lacking electron. Our body naturally produces a certain amount of antioxidant agents, that are not enough though if free radicals amount is larger than physiological one. This usually happens when there are external agents leading to an improvement of free radicals production, and causing the so called “oxidative stress” consequently.
Oxidative stress causes tissue aging, damaging of cellular membrane and cellular functions, and even an impairement of cell's DNA – that can provoke cancer.
It's therefore needed a dietary supplementation with antioxidants substances, such as: