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In order for vitamin B12 to be absorbed, it binds with an important protein called intrinsic factor
Unlike stimulants that artificially boost energy through sympathetic nervous system activation, the energy improvements from NNMT inhibition come from enhanced cellular metabolism
This could be due to racial differences in B12 metabolism, or in environmental factors, most obviously diet (B12 intake)
About Miraleen Patel, APRN, FNP-C As a Family Nurse Practitioner specializing in hormone optimization, weight management, primary care, disease prevention, health promotion, and functional medicine
In borderline cases, methylmalonic acid or homocysteine levels may be tested
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