can b12 injections cause headaches Common & Rare Side Effects of Vitamin Why Do I Feel Worse

Fatigue or drowsiness: Some patients feel increased sleepiness at bedtime, which most consider a benefit rather than a side effect

Hydroxocobalamin (B12) Solution for Injection 1mg/1ml Ampoules provide a highly effective and long-lasting form of Vitamin B12, essential for energy production, neurological health, and red blood cell formation

Consult a licensed healthcare professional before starting any peptide protocol or making changes to your skincare routine, especially if you are pregnant, breastfeeding, or have an underlying medical condition

I want to work it back to once a fortnight so I stay symptom free its just that I have become scared to inject, scared not to.