b12 injections cyanocobalamin vs methylcobalamin **1. Introduction of Vitamin Injection** Vitamin B12 Injection is a sterile injectable preparation containing **Cyanocobalamin, Hydroxocobalamin, or Methylcobalamin**. , It is used to prevent and Specification:2cc 50 Amp / Box 5-Amino-1MQ Compound Appetite Stimulant Vitamin B12
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