two mirror-image enantiomers exist: d(), and l(+)
With intramuscular injections of B12, any excess will result in high levels within your blood so you may experience side effects such as headache, dizziness, tiredness, or gastrointestinal issues including nausea, until your body has metabolised any excess through your kidneys enroute to excretion via urine
doi:10.1023/B:BEBM.0000035138.85857.3a PMID:15452592 Khavinson VKh, Morozov VG
(2020)) and unpublished data generated after that experimental study, but before the conception of this computational study
Guo, R., Yang, G., Feng, Z., Zhu, Y., Yang, P., Song, H., Wang, W., Huang, P., and Zhang, J., Biomater
[15] His family retains the original artwork.[15] Hernndez also made a brief cameo appearance in the film in an art gallery scene