Of course any adverse event can be a flag, said another former FDA official who worked in the compounding division when the peptides were categorized as unsafe
Vitamin B12 should not be taken by children, pets, those who are pregnant or breastfeeding, or those who are allergic to any of the ingredients in vitamin B12 (Methylcobalamin)
For the same reason, BPC-157 is often administered in the form of injections
Patients with even mid-range to high-range levels of vitamin B12 often still have a high MCV and high homocysteine (discussed below) and can benefit from vitamin B12 levels
GPX4 levels were comparable in exhausted-like (PD-1 + Lag-3 + ) and other activated PD-1 + or Lag-3 + cells, but lower in PD-1 Lag-3 cells (Supplemental Figure 1R)
Having said that I used to sometimes think those injections would work better than some that had been sitting out longer, or maybe it was purely coincidence