When administered intravenously or through injection, the Vitamin B12 is not subject to gut absorption and the entire dosage administered is available to the body for use
Cellular energy regulation: Studies exploring metabolic signaling and energy expenditure pathways
Graber MD Updated: October 22nd 2022 Main Source of Information: Empower Overview of Methylcobalamin (B12) Injection General Information Methylcobalamin, or vitamin B12, is a B-vitamin
Vitamin B12 deficiency recovery can take time, six to twelve months, but with ongoing supplements, improvement should be gradual
Community research plans now often model subcutaneous amounts, but no approved clinical protocol or published human pharmacokinetic study has established those subcutaneous amounts
In that situation the responsible default is not assume it is fine unless proven harmful