Pen Needles for Insulin: Everything You Need to Know Sizes, Gauges, and Safety Using an insulin pen to manage diabetes may be much easier than using a standard syringe, but many people are confused about one thing: pen needles for insulin. Read More About : https://www.kdlnc.com/pen-needles-for-insulin-guide/ #InsulinPenNeedles #PenNeedles #InsulinInjection #DiabetesCare