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Humulin N (human insulin) is an intermediate-acting type of insulin. Insulin helps to control blood sugar levels in diabetes mellitus, including diabetes type 1 and diabetes type 2. Humulin N is less popular than other insulins. There is currently no generic alternative for Humulin N, but less expensive biosimilar versions may be available in the future.
Check our savings tips for co-pay cards, assistance programs, and other ways to reduce your cost. Humulin N is covered by most Medicare and insurance plans.
With the Patient Assistance Program from Eli Lilly, contact the program to see how they can financially help you out. You may be eligible for free insulin through donated insulin for lower-income Americans or an unbranded version of Lilly insulin, with a 50% lower list price.
You can save more on select medications with GoodRx Companion. See which medications are eligible.

| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 3ml of 100 units/ ml | 1 vial | $73.99 | $73.99 |
| 10ml of 100 units/ ml | 1 vial | $54.81 | $52.01 |






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250+ medications are free, with hundreds more under $10. Plans start at $9.99/mo. (when paid yearly). Terms apply.
GoodRx coupon prices last updated on 10/15/26.