The efficacy of oral supplementation of vitamin B12 is limited by factors such as the absence of IF, gastric surgery, concomitant metformin, or antacid treatment
If you have difficulty absorbing B12 through oral supplements due to digestive issues, shots provide a reliable alternative without requiring a lengthy appointment
By contrast, if the spouse with self-only coverage is 55 or older by the end of the year, then any amounts contributed to their own HSA, above and beyond the $1,000 catch-up contribution amount, will reduce the maximum amount that can be contributed to the HSA of the spouse with family coverage dollar-for-dollar
This page documents what is specific to the 50mg format: why a shorter in-use window is a technical advantage for a photolabile copper complex, and the molar-mass error that is easy to make when calculating against a smaller vial
Always talk to a healthcare provider before starting any IV therapy
Scientific Reports 10:16749