b12 injections cause anxiety can Depression isn't always “in your head.” For many people, it Understanding the B12 Vitamin Shot:

Tachycardia and Palpitations: By supporting autonomic nerve repair and improving vascular tone, it helps the body regulate blood pressure naturally, reducing the compensatory adrenaline surges that cause a racing heart

Short-term studies havent found acute safety issues, but because there are no long-term human studies, its safety over time is unknown

For example, if your vial contains 5 mg of AOD-9604 and you add 2 mL of bacteriostatic water, the concentration is 2.5 mg per mL (or 2,500 mcg per mL)

[3] Whilst Mounjaro itself does not directly cause B12 deficiency, the dietary changes and reduced food intake associated with its use could theoretically contribute to suboptimal nutrient intake