Call your health care provider immediately if you are experiencing any signs of an allergic reaction: skin rash, itching or hives, swelling of the face, lips, or tongue, blue tint to skin, chest tightness, pain, difficulty breathing, wheezing, dizziness, red, swollen painful area on the leg
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One of the primary benefits of B12 shots is the bioavailability of the vitamin
Up to 60% of people have a version of this mutation leading to a decreased ability to absorb B12
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