Yes, insulin does expire — here's how long it takes and when you should no longer use it

Insulin expires about 28 days after it's opened, so it's important to store it properly and keep track of when you opened it to ensure effectiveness.
Reuters

Shake, shake, shake your NPH insulin pen before injecting

(Reuters Health) - A warning for people who use insulin pens: Not shaking your NPH insulin pen before injecting can result in wide variations in your insulin level and blood sugar control, researchers ...
Healio

Q&A: What to know about ultra-long-acting insulins

Please provide your email address to receive an email when new articles are posted on . O’Brien: An initial response is to consider the individual’s insurance formulary. However, when an insurance ...