Comp Biochem Physiol 86C:7382 Stroomberg GJ, Ariese F, Van Gestel CAM, Van Hattum B, Velthorst NH, Van Straalen NM (2003) Pyrene biotransformation products as biomarkers of polycyclic aromatic hydrocarbon exposure in terrestrial isopoda: concentrationresponse relationship and field study in a contaminated forest
Temporary fatigue
As for the JADER data, adverse event reports from the first quarter of 2004 to the first quarter of 2021 were obtained from the Pharmaceuticals and Medical Devices Agency website ( A total of 693,295 reports were analyzed in this study
Here's what the actual research supports, separated from the speculation
This depends on your personal situation, how low your vitamin B12 levels are intracellularly, what kind of medical conditions you have, and how much improvement you get from the B12 shots