b12 injection dose frequency vitamin injections dosage and methylcobalamin B-12 B12 Injection Dosage and Frequency:

Please refer to our educational videos for How-To for guidance on subcutaneous injection

If you are pregnant, planning to become pregnant, or breastfeeding, discuss the potential risks and benefits with your healthcare provider

Its key to spot these risk groups early

Release the pinched skin

Last reviewed: July 2, 2026 Last updated: July 2, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations

Key Takeaways Vitamin B12 is vital for neurological function and DNA synthesis