In period of pregnency women organism need increased doses of almost all witamins soluble in fat(A,D,E) and witamins soluble in water(C, from B group and acid foil). Demand of women organism for most mikroelemnts increases. Pregnant women should every day get in diet about 1200 miligrams of calcium, daily dose of magnesium is about 350 miligrams. Recommended dose of iron in period of pregnancy is 26 miligrams. Pregnant women according to WHO should get daily dose of 160-180 mikrograms of iodine for twenty four houres and about 0,4–1 miligrams of acid foil daily by all women in reproductive age. American Science Academy and Polish Food and Feeding Institute in Warsaw recommend profilactic supplemention with zincin dose of 20 mg daily in period of pregnancy.. Our diet even varied doesn’t agree with our demand for all witamines and mikroelemnts that’s why supplemention of these food ingredients is sometimes necessery. The aim of this research is defining of range of witamin and mineral supplemention in diet of pregnant women in Lublin Province. Researches was carried in group of pregnant women going to gynecological- maternity out patient clinic in Lublin and in neighbourhood in april 2007. To research own questionnaire was used. Results of researches were done to statistic analisis. Results of researches show nonsuficient knowledge of pregnant women concerning to supplemention of witamines and mikroelemnts in before konception period and in early pregnancy. The education of pregnant women and women planning pregnency in subject of correct diet and its witamin and mineral supplemention should be done by medical environment , schools and media