In the most basic sense, it means that you have enough B12 floating around in your body, but you arent activating the B12 to be used
Disguised Alpha emphasizes third-party testing, COA documentation, batch-level traceability, and domestic fulfillment
Again, if there is an unexpected result, it is useful to repeat the test
Unfortunately, the test proved to be too complicated and unwieldly for many patients and their clinicians as it required "an overnight fast, ingestion of (modestly) radioactive cobalamin, a 24-hour collection of urine, a cobalamin injection, two trips to the laboratory, and, if the result [was] abnormal, repetition of the entire procedure with a dose of [intrinsic factor]" (45)
If you take a daily B12 supplement or multivitamin and your levels are mildly elevated (900 to 1,200 pg/mL), the most likely explanation is the supplement