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Intramuscular Injection The B12 is injected into the muscle using a fine needle
But, its best to talk to a healthcare provider
When your B12 is low, you might feel: Tired all the time, even after sleeping well Mentally foggy, with trouble concentrating Dizzy or lightheaded Depressed or anxious Your energy drops, and basic tasks can start to feel overwhelming
It is a small-molecule quinolinium salt: IUPAC name 1-methylquinolin-1-ium-5-amine, CAS 42464-96-0, molecular weight 159.21 for the cation and around 286 for the iodide salt commonly supplied
B12 has a very low toxicity, so large amounts are not considered dangerous
Real-world use of similar GLP-1 receptor agonists like liraglutide and semaglutide extends beyond 5 years in some patients
