is b12 an im injection - Optimal B12 Injection Sites for

Must be used according to applicable laboratory safety standards and regulatory requirements

In arriving at our criteria we consulted three standard textbooks of medicine (Alstead, Davidson and Price), a consultant haematologist, the librarian at the Royal College of General Practitioners, and the Monthly Index of Medical Specialities

[95] [19] [96] The amount of cyanide in cyanocobalamin is generally not considered a health risk, since even in a 1,000 g dose, the 20 g of cyanide it contains is less than the daily consumption of cyanide from food

These typically resolve within 24-48 hours

Vogel AB, Lambert L, Kinnear E, Busse D, Erbar S, Reuter KC, et al

Vaessen N, Heutink P, Janssen JA, Witteman JCM, Testers L, Hofman A, Lamberts SWJ, Oostra BA, Pols HAP, Van Duijn CM