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No blood or blood products are involved

How can I get B12 shots

B12 helps convert the food you eat into glucose, which your body uses for energy

Key characteristics: 24-month shelf life from manufacture when refrigerated 21 days at room temperature (below 86 degrees Fahrenheit) No preservatives in the prefilled pens Single-use pens designed for one injection Extensive stability testing and quality control Consistent potency from batch to batch The single-use pen design eliminates one major variable: you never need to worry about how long an opened vial lasts because each pen is used once and discarded

This means serum B12 can appear adequate while your cells are functionally starved