The loss of enterohepatic recirculation would definitely cause an additional loss of 5mcg of B12 that is not recovered from bile
doi: 10.30750/ijpbr.4.3.4 91
Benefits of B12 Injections Rapid improvement in energy levels and reduction in fatigue Support for red blood cell production and prevention of anaemia Improved mood, cognitive function, and mental clarity Support for metabolism and healthy weight management Maintenance of healthy nerve function and neurological health Particularly beneficial for vegans, vegetarians, and those with absorption issues Who is B12 Suitable For
Introduction Traditionally, vitamin B 12 replacement is administered intramuscularly (IM)
Split dosing Some researchers divide their weekly dose into two smaller injections (for example, 4mg on Monday and 4mg on Thursday instead of 8mg once weekly)
Both are copper tripeptides, but AHK-Cu uses alanine as its first amino acid while GHK-Cu uses glycine