Our genetic makeup determines our appearance (the colour of our hair and eyes, if we are tall or short) and how we respond to different external factors (nutrients, physical activities, medications). Our DNA can explain how we metabolize certain substances and how our body can lose and gain weight.
Important constituents and an energy source, which contains twice the amount of energy of carbohydrates or proteins.
Indigestible carbohydrates, which are in charge of a good digestion and the feeling of satiety. They include cellulose, lignin and pectin.
I unstable chemical substances, which harm the cell.