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Symptoms of Too Much Vitamin B12 Most people feel normal if their B12 is too high because the body uses what it needs and eliminates any extra B12 in urine
B12 is primarily found in animal-based foods such as meat, dairy, and eggs, and is absorbed in the small intestine after binding to a protein
Neelakantan H, Vance V, Wetzel MD, et al
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Make sure there is no air trapped inside and no blood when you pull on the syringe slightly
Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline
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