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Table of Contents How Vitamin B12 Is Absorbed in the Body Vitamin B12 (cobalamin) absorption is a complex, multi-stage process that begins in the mouth and concludes in the terminal ileum

If you inject weekly, simply alternating between left and right thigh is usually sufficient

It works by preventing NNMT from depleting methyl groups needed for optimal cellular function and by increasing NAD levelsan essential molecule for mitochondrial health and energy production

Injections are often recommended for those with absorption challenges or severe deficiencies, ensuring a more reliable and direct delivery of B12 for improved energy, mood, and overall health