best injection for vitamin b12 Compounded Cyanocobalamin (Vitamin B12) The BEST & WORST Forms
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10.1371/journal.pone.0113939 94 NagahisaT.YamaguchiS.KosugiS.HommaK.MiyashitaK.IrieJ.et al (2022)

They might have decreased kidney function, drug interactions, and more malabsorption issues

These B12 shots are my new go-to for staying on top of my game
For B12 deficiency, a typical injection dose is 1,000 mcg once a week for 4 to 8 weeks and then 1,000 mcg once a month
