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The injection site should be cleaned with alcohol and allowed to dry completely before injection to prevent stinging and ensure proper sterilization
It does not need to be complicated
Endocrinology 152 , 4858 (2011)
If you develop stomach problems whilst taking B12 supplements, do not automatically assume the vitamin is responsibleother medications, dietary changes, infections, or underlying conditions may be contributing factors
Cell 77 , 810824.e8 (2020)
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