How Much Insulin Do I Need Type 1

Also called nph insulin, this type of insulin starts working in about 1 to 3 hours. it reaches peak effect at 6 to 8 hours and lasts 12 to 24 hours. examples are insulin nph (novolin n, humulin n). long- and ultra-long-acting insulin. this type of insulin may provide coverage for as long as 14 to 40 hours..