Novolin R ReliOn FlexPen
Novolin R ReliOn (regular human insulin U-100) is a short-acting human insulin available in a disposable insulin pen with a push button extension available at Walmart. The pen can dial doses up to 60 units in increments of 1 unit. The dial returns to zero after injection to indicate delivery.
1-unit increments, up to 60 units at a time
Pen is blue with a yellow label.