US$ 29.56
methyl vitamin b12 injections Methylcobalamin Injection (Vitamin B12) BioActive Vitamin B12 1000 mcg
Description
It applies the labels to passing containers

Blood (2016) 128:38494

5-Amino-1MQ in Muscle Regeneration and Metabolic Health. Muscle & Nerve , 61(4), 455-463

But according to a 2011 study, vitamin B12 overdose might paradoxically produce many of the same symptoms as deficiency

Reconstituted vials should never be left out for more than a few hours
