is any element that the body needs for providing energy, (carbohydrates, proteins, fats), for growth and tissue repair (proteins, minerals, vitamins, water) and for regulation and control of body processes (proteins, minerals, vitamins, water, fibres, antioxidants and other active substances contained in plant products).
Hranilo, hranljiva snov sta vsaka snov, ki jo telo potrebuje za pridobivanje energije (ogljikovi hidrati, beljakovine, maščobe), za rast in obnovo tkiv (beljakovine, minerali, vitamini, voda) in za uravnavanje življenjskih procesov (beljakovine, minerali, vitamini, voda, prehranska vlaknina, antioksidanti in druge aktivne snovi, ki jih vsebuje rastlinska hrana).