Adverse reactions after a B12 injection may include: A feeling of tightness in the chest Anaphylaxis (difficulty breathing or swallowing) Chest pain Congestive heart failure Heart palpitations Pulmonary edema Rapid heartbeat (tachycardia) Shortness of breath Vascular thrombosis Musculoskeletal Effects Your musculoskeletal system makes up your bones, tendons, cartilage, and connective tissues
How often you can have vitamin B12 injections is not a fixed number, it depends on why you are deficient, how well you hold on to B12, and the dose you are given
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Our intramuscular Vitamin C shots are designed for fast, efficient absorption making them an easy addition to your wellness routine
Second, if you are vegan and asymptomatic, we will recommend oral supplementation first and only inject if there is a clinical reason