does vitamin b12 injections cause constipation 3 Rare But Serious Side Effects of Supplements do b12 injections cause constipation

Vitamin B12, a key nutrient responsible for many essential functions in the body, can sometimes be challenging to absorb through diet alone

Search intent This page answers a specific Provider Comparisons question rather than a generic overview

If injections are not able to be given for whatever reason, then doctors can prescribe 1mg tablets

B12 Blood Test Check your Vitamin B12 levels to ensure the right care for your energy, mood, and overall health. Testing your B12 levels: Confirms whether you are genuinely deficient Helps avoid unnecessary supplementation Ensures correct dosing and frequency if treatment is needed Identifies underlying causes of deficiency (such as absorption issues or dietary gaps) Allows for a more personalised and effective long-term treatment plan Price 65 Vitamin & Mineral Get clarity on your nutrient levels before supplementing, for better energy, immunity, and long-term health. We will check your: Iron, Ferritin, Capacity, Transferrin, Transferrin saturation, Total Iron Binding, Vitamin D, Vitamin B12, Albumin, Magnesium, Folic acid and Zinc