It is important to consult with a healthcare professional to determine the appropriate vitamin b12 injections dose for you
FIGURE 2 In 1976 Benson and Talalay discovered that the cytosolic fraction of rat liver catalyzes the same steroid isomerization of 5-androsten-3,17-dione, but in distinction from the bacterial enzyme the reaction included reduced glutathione as a designated coenzyme ( 1 mg 1 ) in comparison with the five orders of magnitude higher activity of the Pseudomonas enzyme ( In retrospect, it is clear that the ketosteroid isomerase activity of the GST in human liver ( 1 B 1 and B 1 B 2 in Mechanism of Ketosteroid Isomerase Catalyzed by Mammalian Glutathione Transferases The double-bond isomerization of ketosteroids has been investigated with 5-AD and 5-PD (Figure 2)
Alba M, Fintini D, Sagazio A, Lawrence B, Castaigne JP, Frohman LA, Salvatori R
B12 injections may be recommended for individuals with a deficiency of vitamin B12, which can cause symptoms such as fatigue, weakness, and anemia
For shortterm use (days to weeks), refrigeration at ~4C (39F) is generally acceptable