That happened to me 4 times.The pharmacy admin took them off prescription
Targeting NF-B pathway for treating ulcerative colitis: Comprehensive regulatory characteristics of Chinese medicines
P. Sikiricet al., Stable Gastric Pentadecapeptide BPC 157, Roberts Stomach Cytoprotection/Adaptive Cytoprotection/Organoprotection, and Selyes Stress Coping Response: Progress, Achievements, and the Future, The Editorial Office of Gut and Liver, Mar. 2020. doi: 10.5009/gnl18490
Most people refer to B12 as cobalamin, although there are several different forms, including methylcobalamin and 5-deoxy-adenosylcobalamin (the metabolically active versions), hydroxocobalamin, and cyanocobalamin
But if you read the research, you will see that methyl B12 is best absorbed when dissolved in saline