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[3] [2] Where there is neurological involvement, the loading phase uses alternate-day injections until there is no further improvement, and maintenance is 1 mg every two months
Label vial upon first use
High-dose oral b12 (1000 to 2000 mcg daily) provides adequate absorption through passive diffusion even without intrinsic factor
In foods, and fortified B12 occurs naturally in animal-based foods such as meat, fish, eggs, and dairy
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Although it is used in sports to apparently increase testosterone and growth hormone levels, as well as improving strength during resistance exercise training, there is not enough evidence to determine its effect on hormone levels in humans
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