Purity is determined by HPLC and identity confirmed analytically, with the third-party certificate for the current batch published on this product page rather than issued on request
True inconsistency (some days fasted, some days not) requires behavior change rather than timing change
Contact a clinician if nausea, constipation, diarrhea, or fatigue keeps returning, worsens, or interferes with fluids and meals
The studies were done on rodents, the b12 isnt available in the kidneys for very long, weeks, not months it seems.and whether humans with b12 deficiency because of a broken system can access this b12 we wont know without further research
Verify units before every injection