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Avoid repeated freezethaw cycles
Taking them while fasting can shock your body and make your blood pressure drop suddenly or your heart rhythm go wrong
People with gastrointestinal issues or pernicious anemia should take a one-milligram dose of B12 daily, in either injection or oral forms
Why combine them
Walcher T, Haenle MM, Kron M, Hay B, Mason RA, Walcher D,
These changes are gradual
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