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Baseline assessment: Complete medical history Physical examination Baseline laboratory tests (if indicated) Documentation of pre-existing conditions Assessment of contraindications Ongoing monitoring: Regular check-ins for adverse effects Monitoring of injection sites Assessment of overall tolerability Documentation of any unusual symptoms Functional outcome tracking Laboratory monitoring: Usually not needed for short-term research May be appropriate for extended protocols Consider if pre-existing conditions are present Standard safety labs if indicated Contraindications and Precautions Although the safety profile is strong, some situations warrant caution
doi: 10.1056/NEJMc2001176 147
Many supplements use cyanocobalamin the cheapest and most common form of B12 but this synthetic version must be converted by the liver before the body can actually use it
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