<!--
{
  "availability" : [
    "iOS: 11.0.0 -",
    "iPadOS: 11.0.0 -",
    "macCatalyst: 13.0.0 -",
    "macOS: 13.0.0 -",
    "visionOS: 1.0.0 -",
    "watchOS: 4.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "HealthKit",
  "identifier" : "/documentation/HealthKit/HKInsulinDeliveryReason/basal",
  "metadataVersion" : "0.1.0",
  "role" : "Case",
  "symbol" : {
    "kind" : "Case",
    "modules" : [
      "HealthKit"
    ],
    "preciseIdentifier" : "c:@E@HKInsulinDeliveryReason@HKInsulinDeliveryReasonBasal"
  },
  "title" : "HKInsulinDeliveryReason.basal"
}
-->

# HKInsulinDeliveryReason.basal

Insulin administered to meet the user’s basic metabolic needs.

```
case basal
```

## Discussion

Users typically administer basal insulin at a continuous rate from an insulin pump, or as a periodic injection of slow-acting insulin.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)