He consulted with Dr before he aged out of ins.
So then, it wasn’t the insulin, it was his misuse of it. I’m a retired RN, and I’ve never heard any patient report that different brands of insulin make any difference. Of course, the TYPE matters -—slow, intermediate, or fast acting, but that’s not brand specific. Type 1’s have it rough, since EVERYTHING affects the blood sugar, and they have to take insulin, based on diet, activity, even mood, since those things affect insulin needs. It’s up and down, minute by minute.