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Patients should consider how each form fits into their lifestyle when making a decision
Additionally, vitamin D status is commonly assessed through a blood test measuring 25-hydroxyvitamin D, and that levels of 20 ng/mL or higher are adequate for most people while levels below 12 ng/mL are too low
We can also access it from fortified foods, such as cereals, but foods rich in vitamin B12 may not always do their job properly
Journal of Applied Physiology
How is a B12 injection different from a B12 tablet
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