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They are not for human consumption, clinical use, or any diagnostic, cosmetic or veterinary application
For patients without absorption disorders, high-dose oral supplements of 1,000 to 2,000 mcg daily have been shown to be comparably effective at correcting mild to moderate deficiency at lower cost and greater convenience.
Mistakes in the formation of DNA and RNA can lead to severe diseases (5-7)
When taken orally, B12 binds to saliva and stomach acid, which can reduce its absorption in the body
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