Insulin Aspart 70/30 (Novolog 70/30) is used to treat diabetes mellitus, including diabetes type 1 and diabetes type 2. This drug is less popular than comparable drugs. It is available in brand and generic versions. It is not covered by most Medicare and insurance plans, but manufacturer and pharmacy coupons can help offset the cost. Get Insulin Aspart 70/30 for as low as $39.38, which is 76% off the average retail price of $160.81 for the most common version, by using a GoodRx coupon.