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It may not be suitable for those with kidney or liver issues, type 1 diabetes, or a history of diabetic ketoacidosis

In general, yes especially since excess B12 is typically excreted

doi:10.1148/radiol.2371031757

No intervention is entirely without risk, and informed decision-making demands honest assessment of what is and is not known

To your point, he said, "I'm ready to have kids
