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My understanding ( not a scientist or doctor) Is liver stores run down slowly ovef years for many many reasons
Explore the optimal timing for B12 supplementation in B12 Shots & B12 Injections: The Good, Bad, and Alternative! Discover the definitive benefits and considerations of taking B12 at night, unlocking the secrets to maximizing the impact of this essential vitamin on your overall well-being
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ADULTS AND CHILDREN Initial dose: This varies between 250 mcg and 1mg given daily or on alternative days
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