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This is because: B-12 is naturally found in animal products such as meat, eggs, and dairy
Common side effects can include pain or redness at the injection site, mild diarrhea, itching, or a feeling of swelling all over the body
Our team recommends it for research demanding maximal efficacy and minimal variability
But these high doses are necessary to help treat people with a deficiency
For a subcutaneous injection into the fatty tissue just under the skin, a much shorter and thinner needle is used
Understanding both prevents unrealistic expectations
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