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Frankly, its bordering on criminal that the FDA continues to allow these drugs to be prescribed as frequently as they are, and for durations of years or even decades in some cases, given the overwhelmingly large body of evidence documenting the potential harms associated with long-term PPI use

Pehar M, Vargas MR, Robinson KM, Cassina P, Diaz-Amarilla PJ, Hagen TM, et al

S.AmbrosyA

The substance is not a P-glycoprotein substrate and shows minimal intestinal absorption, indicating that it would have a low risk of interacting with efflux transporters if administered systemically

Vitamin B12 tablets, also known as cyanocobalamin, can be bought over the counter from pharmacies or health stores but are not as effective as the injection

Both routes are used in research protocols