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Beef and pork are also abundant sources of B12, as are poultry and fish
What the 28-day window requires: The clock starts at first puncture, not at the date printed on the vial
water for injection (WFI), sterile water solution, or bacteriostatic water for injection (BWFI) may be used
B12 Shots vs Pills: Which Option Is Right for You
No heating should be required at typical use concentrations
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