As such, you may not be able to obtain 4 full doses of 0.25 mL from each vial
They truly care about you
No mixing peptides in the same syringe before injection risks pH-driven precipitation, cross-reactivity, or concentration miscalculation if one peptide degrades faster than the other
Its critical to emphasize: high B12 does not cause cancer
If that's insufficient for your risk tolerance, wait for longer-duration data to publish
For example, if your Hb is low, and your MCV is raised, and then put on B12, and the Hb rises and MCV falls, there's the answer