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B12 SHOT METHYLCOBALAMIN 5ML VIAL 25MG/ML INJ SOLN

Last updated 4/30/2026

B12 SHOT METHYLCOBALAMIN 5ML VIAL 25MG/ML INJ SOLN

Product Information

Drug: Methylcobalamin (active form of Vitamin B12)

Concentration: 25 mg/mL (25,000 mcg/mL)

Vial size: 5 mL (total = 125 mg = 125,000 mcg)

Route: IM or IV when given in B Complex Plus

Frequency: Every 6 weeks DEPENDING ON BLOOD WORK UP

Clinical Benefits

  • Energy production & metabolism: coenzyme for ATP synthesis
  • Nervous system health: supports myelin, neuropathy, cognition, memory
  • Mood support: cofactor in neurotransmitter pathways
  • Methylation & detoxification: works with folate in methyl cycle
  • Red blood cell formation: prevents megaloblastic anaemia

Safety & Precautions

  • Very safe profile, water-soluble, excess excreted in urine
  • Rare: acneiform eruptions, mild diarrhoea, anxiety, or restlessness at very high doses
  • Pink-red urine common for 12–24 hours after infusion
  • Always dilute — avoid undiluted IV push due to vein irritation risk

Australia Injectable Drugs Handbook

https://aidh.hcn.com.au/browse/c/cyanocobalamin - No Incompatibilities

STABILITY

Store below 25 °C. Protect from light. Do not refrigerate or freeze.1.

REFERENCES

  1. Product information. Available from www.tga.gov.au. Accessed 24/08/2022.
  2. Lexicomp pediatric and neonatal dosage handbook. 29th ed. Hudson, OH: UpToDate Inc; 2022-2023.
  3. ASHP Injectable drug information 2021. Bethesda, MD: American Society of Health-System Pharmacists; 2021.