i have all symptoms of lack of b12, i think i lack absorbtion probs period, but i hav e enough in my blood stream. doctor hadnt heard of active b12 , i prduced a print out and even then still said i hav e enough in my blood, what part of that didnt she get?--- i was refused the test and the trial shots as i HAVE ENOUGH IN MY BLOOD, SAINTS PRESERVE MY IRRITAION. doe sany one know wher i can get some trial shots b12 in the south east, essx or london i would very very very gratfeful indeed. i i have lost so much hair, very very dry skin i am a a bald prune an dthe prune is tired! and pissed off!