Do multi viatmins make you hungry ! Read details?

i bought me magnesium pills , lysine , and viatmin c and Multi Vitiamins at kroger !!! I have lost 12 pounds in 3 weeks I have heard that multi viatimins make you hungry, i have not tryed them out yet . Is this true our will it help me lose weight our gain ? The multi ones i bought are iron free? i havent taken one yet cause i dont want to get reall hungry