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However, it appears alongside peptides in the metabolic research space because its mechanism NNMT inhibition that preserves NAD+ and SAM pools intersects directly with the same cellular energy and epigenetic pathways that metabolic peptides target

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B12 absorption occurs primarily in the terminal ileum via intrinsic factor-mediated uptake, with approximately 1% absorbed through passive diffusion at high doses

Some people are unable to manufacture Intrinsic Factor, a condition called pernicious anemia, making it impossible to absorb Vitamin B12 from foods or oral supplements