how to inject cyanocobalamin vitamin b12 Best Injection Sites: Where B12 · PA Relief Instructions for B12 Injection |

"Comparative Bioavailability and Utilization of Particular Forms of B12 Supplements With Potential to Mitigate B12-related Genetic Polymorphisms", Integrative Medicine: A Clinician's Journal (Encinitas)

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People, who have had bariatric surgery procedures such as sleeve gastrectomy, Roux-en-y gastric bypass, duodenal switch, one anastomosis (mini) gastric bypass, single anastomosis duodenal ileal switch (SADIS), have reduced absorption of vitamin B12 and increased risk of developing vitamin B12 deficiency

I tried to SC into stomach, but found that worse as I could feel the liquid