vitamin b12 injection dosage for adults in ml weekly Cyanocobalamin (B12) 1000 mcg/mL, Multiple Dose Vial 30 Cyanocobalamin Injection – 1000 mcg/mL
Description
Effects of Methylcobalamin Injection typically wear off between 48 to 72 hours, though this varies from person to person

For example, a 2019 study of over 9,000 adults found people with obesity had lower blood levels of vitamin B12 (8)

However, it may take a number of days or weeks before a person notices improvements in their symptoms

Be sure to discuss this with your healthcare provider when they are showing you how to administer the injection

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