The @Sjwprod discussion is continued in the original thread, here:
That thread is important input but there are a lot of issues and this is a core issue for pump users. Hum; I should have been more clear, MDI has site issues and loss of efficacy issues too. I was primarily targeting issues for pump users with regard to the specific formulation of the insulin, the additives (the “salts”, the preservatives) as opposed to the biochemical formula of the insulin itself. That said, all input is welcome; this is FUD.