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This is true for severe deficiency or malabsorption issues
Eat enough dairy foods or B12 fortified foods for this purpose
For borderline results, additional testing with holotranscobalamin or methylmalonic acid/homocysteine levels may be appropriate
Compounded versions may not meet the standards that brand names have met
If you have ongoing sleep or mood concerns, it is important to be evaluated so the underlying cause can be addressed properly
We test every batch against USP sterility standards
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