CJC-1295 without DAC (also called Modified GRF 1-29) has a half-life of approximately 30 minutes, while CJC-1295 with DAC binds to serum albumin via a maleimide linker and extends the half-life to roughly 68 days, allowing weekly rather than daily dosing in research models
So when a medic says that someone with PA "can use the stored B12 in their liver", as far as I know, we simply don't know whether this is true or not
The two active forms are produced on separate metabolic pathways and perform completely different functions
The benzyl alcohol preservative has been linked to severe toxicity in this population, including a potentially fatal condition known as gasping syndrome. Newborns have immature metabolic pathways and cannot efficiently metabolize benzyl alcohol, leading to its accumulation and metabolic acidosis with respiratory failure in severe cases
Becky, who left the review above, also sent this video (we you Becky!) : Frequently Asked Questions Its natural to have questions before buying B12 shots, especially online