Each supplier is reviewed for reliability, documentation integrity, and transparency in testing
Abels, Improved distribution analysis of cobalamins and cobalamin analogues in human plasma in which the use of thiol-blocking agents is a prerequisite, Clinica Chimica Acta, Volume 131, Issue 3, 15 July 1983, Pages 211-224, ISSN 0009-8981 Thakkar, K., & Billa, G
R., Dos Santos A
Intramuscular injection is the most common method, where we inject the vitamin directly into a muscle, usually in your upper arm or buttock
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