Nyemba zimakhala ndi fluorine wamkulu, chitsulo, phosphorous, calcium ndi magnesium. Ili ndi mavitamini olemera a mavitamini C, RR, B1, B1, B2, B3, B6 ndi E.
Pa ndende zamkuwa ndi zinc, izi zitha kutchulidwa kuti olemba mbiriyo, chifukwa ali ndi masamba kapena zipatso zilizonse. Ndipo zinthu zofufuza izi ndi maziko a kukongola kwachikazi.
Nyemba zomwe zimapezeka gawo lachinayi zimakhala ndi mapuloteni osagwiritsidwa ntchito mosavuta komanso ndende yake imakhala yotsika pokhapokha nyama. Chifukwa chake, othamanga ndi zotsamba ayenera kuphatikizira zakudya zawo. Komanso idyani nyemba izi mukamatsatira positi mpingo.
Osawopa kudya nyemba mukamamatira ku chakudya ndipo mukufuna kuchepa thupi. Ingosankha nyemba zosiyanasiyana, zomwe zimakhala ndi kalori wotsika. Chifukwa chake, ngati mu 100 g nyemba zofiira 300 kcal, ndi zoyera zopitilira 100, ndiye nyere zobiriwira zopitilira 100, ndiye kuti nyemba zobiriwira sizimapitilira 25 kcal.
Nthawi yomweyo, zimakhala zosangalatsa kwambiri komanso ndi gawo laling'ono lomwe limakhazikika ngakhale mmbulu wa nkhandwe. Monga momwe machitidwe akuwonetsera, kumverera kwa sativeketsedwa kwathunthu kutha kuthana ndi nkhawa.
Nyemba zimakhazikitsa ntchito ya chimbudzi ndikubwezeretsa kagayidwe. Kuphatikiza apo, zimathandizira kuchotsa poizoni ndi ma radionuclides kuchokera mthupi.