Cyanocobalamin--a case for withdrawal: discussion paper. - GreenMedInfo Summary
Cyanocobalamin--a case for withdrawal: discussion paper.
J R Soc Med. 1992 Nov;85(11):686-7. PMID: 1474554
GreenMedInfo.com summary: Cyanocobalamin, a cyanide containing form of vitamin B-12, may be inappropriate relative to hydroxocobalamin where the body burden of cyanide is already high, e.g. smokers, those exposed to environmental pollutants.