Help Navigate the Discontinuation of Humulin R U-500 Vials

March 2026

Humulin R U‑500 insulin VIALS are being discontinued...and you’ll need to help patients switch to an alternative.

For years, this concentrated regular insulin has come in a 20 mL vial or a KwikPen...with 500 units/mL instead of the usual 100 units/mL.

Now the U-500 vials are going away...likely due to business reasons. Plus, using U-500 vials is commonly associated with serious errors.

Get concise advice on drug therapy, plus unlimited access to CE

Pharmacist's Letter membership benefits include:

12 issues every year — what you need to know and do, right now
Quick, practical reference charts and tools
Comprehensive CE library to meet license renewal and state requirements
Multiple course formats including live webinars, podcasts, and CE-in-the-Letter to match your learning style
Plus much more!

Choose the right tier for your needs today.

Already a subscriber? Log in

Volume pricing available. Get a quote