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NNMT has been explored as a target in obesity, insulin resistance, and age-related metabolic decline, supporting the rationale for translational research into body composition and performance contexts (Kannt & Pfenninger, Frontiers in Physiology )

Vitamin B12 also has a well-established history of effective subcutaneous absorption

Peters R, Poulter R, Warner J, Beckett N, Burch L, Bulpitt C

At Optimized Body and Mind, we offer B12 injection training courses for non-medics, as well as medical professionals

Biomarker-Guided Therapy Beyond basic 25(OH)D measurement, additional biomarkers may help guide vitamin D therapy

A semen analysis will be able to determine if your sperm are healthy and if you need to make any temporary changes in the medications and supplements you take