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A complete kit includes: A sealed vial or glass ampoule of B12 (cyanocobalamin or methylcobalamin) A 3 mL syringe A drawing needle (typically 18-21 gauge) An injecting needle: 22-25 gauge, 1 to 1.5 inch for intramuscular (IM)
- For use in controlled laboratory conditions only
Within 48 hours after injection of 100 or 1000 mcg of vitamin B 12, 50 to 98% of the injected dose may appear in the urine
peptide profile and pharmacology
Think of it as turning down the flow of incoming calories
Older adults usually get the same dose as younger people, but need more watching for side effects
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