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The price differential reflects bioavailability differences, as nasal formulations require higher peptide quantities to achieve comparable effects
High-dose oral supplements (often 10002000 micrograms daily) or intramuscular injections (typically 1mg hydroxocobalamin) used to treat pernicious anaemia or deficiency states can temporarily elevate serum levels
You use the entire vial, nothing wasted, and then reconstitute a fresh vial for the next dose level
Several simple strategies exist to create meaningful improvements in vitamin B12 absorption
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US$ 21.57
US$ 20.85
US$ 27.76
