what happens when you take b12 injections How Quickly Does Shot Work? Does It Help to Lose Weight? Vitamin B12 Injection Side Effects

Also, the injection itself doesnt hurt at all but the pain afterwards (even after leaving the rx out for several hours so it wasnt cold) hurts significantly to the point Im sometimes limping for a day

[4] However, consistently taking large amounts of vitamins from multiple sources could potentially increase the risk of side effects (for example, very high vitamin B intake from multiple supplements over time can cause neuropathy, and high niacin from many sources could affect your liver)

Absorbed vitamin B12 is transported via specific B12 binding proteins, transcobalamin I and II to the various tissues

Red Blood Cells: Promotes healthy blood and oxygen circulation