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Frequently Asked Questions What does a vitamin 12 injection do for the body
Pain and Irritation at Injection Site The most common reaction to B12 injections is pain, redness, swelling, or irritation, where the needle goes into your skin or muscle
You are unable to absorb B12 from food and supplements
What have you done to remedy it
For individuals with absorption disorders or severe deficiency, this distinction in delivery speed can meaningfully affect how quickly levels normalize
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