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Air bubbles are unfavorable to the stability of proteins
This systematic review and meta-analysis aimed to evaluate and compare the effectiveness of sublingual and oral vitamin B12 administration in comparison with intramuscular (IM) injections, both for improving serum cobalamin and reducing homocysteine levels
With a fresh, unused syringe, pull back on the plunger to the amount you are injecting, bringing air into the syringe
Vitamin B12 shots are generally safe, with minimal side effects such as mild soreness at the injection site
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