after taking b12 injection urine color This is what happens when Vitamin itamin Recate with Water : r/Science_India Urine dark brownish red IMMEDIATELY

Sub q should in theory give close to 100% bioavailability, but we really dont know the one PK study never tested it, so theres no measured number and no dosing conversion behind it

Managing Stomach Discomfort from B12 Supplementation For individuals experiencing gastrointestinal side effects from vitamin B12 supplements, several strategies can help minimise discomfort whilst ensuring adequate vitamin intake

These ranges come from allometric scaling of the animal work plus anecdotal reporting not human trials so anchor your expectations to that

Your provider will work with you to find the right rhythm that keeps you feeling your best