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Requirements of vitamin B 12 in excess of normal (due to pregnancy, thyrotoxicosis, hemolytic anemia, hemorrhage, malignancy, hepatic and renal disease) can usually be met with oral supplementation
Cyanocobalamin works well because it easily turns into the active Vitamin B12 in the body
High-quality, pharmaceutical-grade B12
Even worse, with lower levels of stomach acid comes the perfect breeding ground for gut bacteria that consume your bodys limited supply of vitamin B12
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