after an intramuscular injection of 1,000 g of cyanoB 12 , about 150 g is ultimately retained in the body 15 Most vitamin B 12 -deficient individuals in the UK and other countries are treated with intramuscular vitamin B 12 , and vitamin B 12 replacement has been traditionally administered intramuscularly
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Acknowledgements Mahesh Ganesapillai, Anushka Darda Manish, and Kasvi Chindalia express their gratitude to the administration of the Vellore Institute of Technology, Vellore, India, for their financial support
Are B12 and folic acid combination injections available
Most side effects from B12 shots resolve quickly, making them generally well-tolerated for routine supplementation
There is a scenario where the combination makes more sense: someone who has completed a tirzepatide protocol, achieved their primary weight loss goal, and is transitioning off the compound