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Vitamin B12 itself is a water-soluble vitamin your body uses to make red blood cells, keep the nervous system healthy and release energy from food
You can fill your prescription at any local pharmacy
The most common B12 subcutaneous injection sites are the following: The upper arm To self-administer a B12 injection into the arm, pinch a thick skin layer of the side or back of the upper arm and insert the needle at a right angle
Proper technique and site rotation are crucial for minimizing discomfort and ensuring optimal absorption
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