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The most common side effects include nausea, vomiting, and injection site reactions
If neurological symptoms worsen or fail to improve after four to six weeks of appropriate treatment , further investigation is necessary to exclude alternative diagnoses or complications
It is found in every cell of the body, particularly in the liver, where it helps neutralize free radicals, detoxify harmful substances, and l I support immune function
Most of food sources of vitamin B12 are animal products, meaning that vegetarians and vegans are often at increased risk of B12 deficiency
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