Necesarul de Ca este de 800-840 mg/zi.Se gaseste in urmatoarele(in ordine descrescatoare):migdale, alune, smochine uscate, fasole boabe, branza de vaci, galbenus, lapte vaca, nuci, smantana, castane, fasole verde, mazare, macese, coacaze negre, smochine proaspete, telina, patrunjel radacina, hrean, urzici, spanac, varza alba, gulii, sparangel, portocale, mure, morcovi, lamai, zmeura, fragi, porumb, mandarine, capsuni, coacaze rosii, castraveti, visine, cirese, grapefruit, pere, prune, piersici, banane, carne, mere, cartofi, ciuperci.
"Alimentele cele mai bogate in calciu (mg / 100 g, in ordine descrescatoare de la 2110 la 540): busuioc uscat macinat, maghiran, cimbrisor uscat macinat, salvie uscata macinata, oregano uscat macinat, menta uscata, parmezan, lapte de vaca (condensat, praf), garna (branza), rozmarin uscat, scortisoara, pecorino (branza de oaie), emmenthal (svaiter), patrunjel uscat, lactate, lapte de vaca integral (praf), chimion, cascaval, dafin frunze, Cheddar (branza), Edam (branza de Olanda) proaspata, cimbrisor proaspat, sardine in ulei, salvie,, urzica, scrumbii in saramura, sardine sarate. http://www.citynews.ro/mures/diete-17/calciul-in-regimul-alimentar-67728/