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The serum value of B12 can rise to an average of 560 000 000 pmol/L within 50 minutes
Expect that it will take at least a month to notice weight loss
They are essential nutrients for the immune system and boost metabolism and brainpower
Risks and Side Effects While generally safe, vitamin B12 injections can have side effects or risks, such as: Mild pain, swelling, or redness at the injection site Dizziness, headache, or nausea Allergic reactions (rare) Hypokalemia (low potassium levels) in individuals with severe deficiency undergoing treatment People with allergies to cobalt or who have Lebers disease should avoid B12 injections unless specifically advised by a doctor
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