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Description
Product Details: Compound : Cyanocobalamin (Vitamin B12) Concentration : 1mg / 1ml per vial Form : Sterile injectable solution Container : 3ml / 10ml multi-dose vial Storage : Store in a cool, dry place

Around two-thirds of drugs that met the 1938 safety requirement failed the 1962 efficacy bar
Vitamin B12 deficiency may contribute to hearing impairment at low frequencies (0.25 to 4 kHz) in children, whereas pure-tone hearing thresholds from 8 to 16 kHz do not seem to be affected (09)

doi: 10.3748/wjg.v23.i29.5304

Ask about TFA content, since leftover TFA can cause problems in patients
