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These tests determine exactly how long the medication remains safe and effective under various conditions
The same issue wouldn't be expected though when you take an injection
For B12, prolonged use of metformin and acid-suppressing drugs (PPIs, H2 blockers) may reduce absorption of oral B12, which is one reason injectable B12 is considered in select patients
But over months and years of treatment, even weekly injections in the same spot accumulate
This includes the initial consultation fee and the medication itself
Now after taking MethylColabamin for 5 days a row my sleep has gone
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