However, this process is non-selective and influenced by regional differences in receptor density, blood flow, and hormonal sensitivity
Pernicious anaemia, an autoimmune loss of intrinsic factor, is the classic one
Withdraw B12 : Drawing Medication : Invert the vial with the needle still inserted
Allie SR, Bradley JE, Mudunuru U, Schultz MD, Graf BA, Lund FE, Randall TD
With respect to dosage, the average reductions were: 2000 mcg: 71.5% (single data point) 1,000 mcg: 31.8% Although limited data are available for higher dosages, the findings support the efficacy of both oral and non-oral B12 formulations in modulating homocysteine levels
Think of each receptor as a separate metabolic lever