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Using expired b12 could certainly result in you not receiving the proper dosage due to deterioration as you now likely suspect given your setback
Despite the short plasma half-life, downstream biological effects in tissue persist substantially longer, consistent with a signaling cascade rather than direct dose-response activity
Dose Range: 50100 mg daily
We can fill your B12 prescription directly in California and expedite the process in other states
US$ 28.73
US$ 25.07
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