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can i inject b12 myself injections what do they do Vitamin B12 A Vitamin B12 injection is a quick shot B12 Shots at Home: How,
Description
Cyanocobalamin is available in several dosage forms including the tablet, nasal spray, and injection

Common side effects include pain, redness, or swelling at the injection site, which typically resolve within 2448 hours

B12/MIC injections combine vitamin B12 with a blend of amino acids known as lipotropics, which help support fat metabolism and liver function
Human data are limited and mixed: Clinical studies have largely assessed safety and metabolism, while weight-related outcomes were modest and inconsistent
see Cyanocobalamin injection for medical use details

I'v actually found the smaller gauge needle appropriate for IM deltoid injections as well