Im very anemic, B12 or something, and cant absorb any food.... really scared!! please help...?

i HAVE PERNICIOUS ANAEMIA , I need b12 jabs every six weeks for life , i have the tiredness too at times especially when nearing the next jab, also have terrible restless leg syndrome in bed at night , my sleep is so bad i don't go away anymore for fear of waking others up , and yes you feel weak , light headed ,and like you look pale , what it means is the gut has stopped taking the iron from the food we eat , , i also take a folic acid tab daily , contact me if you feel you like support