Some possible side effects of injectable vitamins include pain, swelling, and bruising at the injection site, allergic reactions, infection, and in rare cases, anaphylactic shock
More serousB12 deficiencies have the potential to impair heart and neurological function, leading to a wide range of serous symptoms, including but not limited to tinnitus, severe joint pain, memory problems, depression, anxiety, poor muscle function, ataxia, and changes in reflexes
No completed human efficacy or safety trial
The ideal time to get B12 shots to lose weight is in the morning or early afternoon
This means you can feel the effects of the vitamin B12 shot for up to a month