Other reported effects include: Headaches and dizziness Nausea and gastrointestinal discomfort Allergic reactions to B12 formulations (rare) If you experience symptoms suggesting a severe allergic reaction (difficulty breathing, severe rash, swelling of face/throat), seek emergency medical attention immediately by calling 999 or attending A&E
If not deemed appropriate, you will be immediately refunded
From nutrient injections and B12 support to lifestyle guidance, we focus on steps that help you feel clear, energetic, and steady
10.1016/j.ejphar.2003.08.013 11 Belosic HalleZ.VlainicJ.DrmicD.StrinicD.LueticK.SucicM.et al (2017)
The subcutaneous shots are given into the fatty tissue (for instance, the back of the arm or the abdomen) using a small insulin-type syringe for convenience, while intramuscular injections may be administered into larger muscle groups such as the deltoid or gluteal region
Most report only a slight pinch