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However, optimum absorption may be achieved when vitamins are taken at different times
Clinical services, including medical consultations and prescribing decisions, are provided by independent, licensed healthcare providers who exercise their own professional judgment
For example, adding B12 to other B vitamins helps those with complex nutritional deficiencies
References [edit] "Inorganic Cyanide as Protecting Group in the Stereospecific Reconstitution of Vitamin B 12 from an Artificial Green Secocorrinoid" (PDF)
Alternative therapy, such as hydroxocobalamin, is advised
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