triple b12 injection Cyanocobalamin (B12) 1000 mcg/mL, Multiple Dose Vial 30 mL such as Vitamin B-12 Injection, 3,000 mcg/ml

Last reviewed: May 12, 2026 Last updated: May 12, 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

If you notice signs of anaphylaxisswelling of your tongue, face, or throat, difficulty breathing, or difficulty swallowingafter getting a B12 injection, call 911 or head to the closest emergency room immediately

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Glutamine: Abundant in the body, it's integral for muscle growth, recuperation, and immune functionality