b12 injections name Vitamin for Injection Cyanocobalamin 1,000 mcg, 25/Box (Rx) — Mountainside Medical Vitamin B12 Injections (Cyanocobalamin Injections)

Individuals with gastrointestinal conditions often require higher doses or injectable B12

Individuals with Poor Absorption: People with low stomach acid, or those who have had certain surgeries (like gastric bypass), may struggle to absorb B12 from food and would benefit from injections

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Animal doses cannot be directly extrapolated to humans Key Research Findings# Selective and membrane-permeable small molecule inhibitors of nicotinamide N-methyltransferase reverse high fat diet-induced obesity in mice , published in Biochemical Pharmacology (Neelakantan H et al., 2018

The presentation of vitamin b12 deficiency is broad and easy to attribute to something else