Physician reviewed Novolin R patient information - includes Novolin R description, dosage and directions. Novolin R (Regular Human Insulin Injection [Recombinant DNA origin] United States Pharmacopeia) is a polypeptide hormone structurally identical to native. Mixing: Do not mix Novolin R with any insulin for intravenous use. Do The dosage and timing of Novolin R must be individualized (). •. Subcutaneous.