b12 injection storage in fridge Does MIC Need Refrigeration? & Stability Guide – PlexusDx How Temperature Affects Your B12
Description
As noted above vitamin B12 helps with cell growth and DNA synthesis, thus it is needed in hair follicle growth and replication

PO Box addresses route via USPS

Br J Cancer 75 : 25 Naurath HJ, Joosten E, Riezler R, Stabler SP, Allen RH, Lindenbaum J (1995) Effects of vitamin B12, folate, and vitamin B6 supplements in elderly people with normal serum vitamin concentrations

Or bought in a bundle of 14 shots then works out to be 25 each shot
