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The most common side effects of B12 injections are mild and temporary, including pain, redness, or swelling at the injection site, mild nausea or diarrhea, headache, dizziness, and itching near the injection area
10.1016/j.bbrc.2019.11.137 Biochem
Key Features: Product Information: Important Notice: This product is intended for research use only
It essentially facilitates the metabolism of fats, encouraging your body to burn it more efficiently
Insider's takeaway The Institute of Medicine has not established a tolerable upper intake level of B12 because studies show no adverse health effects when taking excess levels of B12, either through food or supplements
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