One (blue/green) for injecting, typically longer for intramuscular administration
This length is sufficient to bypass the subcutaneous layer and deliver the B12 directly into the muscle
If you are displaying any of the signs and symptoms of B-12 deficiency, its best to contact your doctor immediately
Response: We thank the commenters for their feedback on these issues, including the importance of antimicrobial stewardship
Sublingual B12, which bypasses the gastrointestinal tract, is the least invasive and potentially most cost-effective option, especially for individuals with impaired absorption, making it an attractive alternative for long-term and patient-friendly management (Houle et al., 2014
Some products are listed only in a single dosage size or medicine type, but may be available in other dosages and forms