---
title: dietarySelenium
framework: healthkit
role: symbol
role_heading: Type Property
path: healthkit/hkquantitytypeidentifier/dietaryselenium
---

# dietarySelenium

A quantity sample type that measures the amount of selenium consumed.

## Declaration

```swift
static let dietarySelenium: HKQuantityTypeIdentifier
```

## Discussion

Discussion These samples use mass units (described in HKUnit) and measure cumulative values (described in HKQuantityAggregationStyle).

## See Also

### Related Documentation

- [HKQuantityTypeIdentifier](healthkit/hkquantitytypeidentifier.md)
- [HKQuantitySample](healthkit/hkquantitysample.md)
- [HKQuantity](healthkit/hkquantity.md)

### Ultratrace Minerals

- [dietaryChromium](healthkit/hkquantitytypeidentifier/dietarychromium.md)
- [dietaryCopper](healthkit/hkquantitytypeidentifier/dietarycopper.md)
- [dietaryIodine](healthkit/hkquantitytypeidentifier/dietaryiodine.md)
- [dietaryManganese](healthkit/hkquantitytypeidentifier/dietarymanganese.md)
- [dietaryMolybdenum](healthkit/hkquantitytypeidentifier/dietarymolybdenum.md)