PLoS ONE 2012;9:e45979
Side Effects & Safety Mild GI discomfort most common, usually transient in the first week Slight stimulant effect increased energy/alertness, especially early on Headaches occasional, typically mild and dose-related Mild insomnia if taken too late in the day No human clinical safety data all safety information from preclinical studies and community reports No liver toxicity observed in animal studies at therapeutic doses Unknown drug interactions theoretically could interact with NAD+-dependent pathways Core Supplies for This Protocol The essentials for running any reconstituted injectable: cold storage, accurate syringes, alcohol prep pads, and metabolic tracking
A healthcare professional will advise how often injections are needed to maintain healthy levels. The timing depends on deficiency severity, symptoms, and blood test results
Vasanthasree Nair MBBS Last updated on 13th Jan, 2026 Introduction Its common to hear conversations about low vitamin B12, but seeing a high vitamin B12 level in your blood test results can be unexpected
Its a good idea to talk to your insurance about what they cover
For those residing in Reisterstown, Maryland, and surrounding areas, the Body Basics Wellness Center offers expert guidance and personalized vitamin injection programs