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Tactical populations - including police officers, firefighters, EMS, and military personnel - face significantly higher exposure rates than the general population

If you have risk factors for developing vitamin B12 deficiency or are experiencing symptoms, be sure to contact a healthcare provider to get a blood test to check your levels

Preferred sites are the periumbilical abdomen (at least 2 cm from the navel), lateral thighs, and the dorsal upper arm

Reusch, N

To support this metabolic process, some clinicians recommend co-supplementation with a methyl donor such as trimethylglycine (TMG) while on NAD+ injections