diff --git a/android/src/main/kotlin/dev/duynp/flutter_health_connect/FlutterHealthConnectPlugin.kt b/android/src/main/kotlin/dev/duynp/flutter_health_connect/FlutterHealthConnectPlugin.kt
index 74a0e53..1288572 100644
--- a/android/src/main/kotlin/dev/duynp/flutter_health_connect/FlutterHealthConnectPlugin.kt
+++ b/android/src/main/kotlin/dev/duynp/flutter_health_connect/FlutterHealthConnectPlugin.kt
@@ -399,7 +399,7 @@ class FlutterHealthConnectPlugin(private var channel: MethodChannel? = null) : F
                         BLOOD_GLUCOSE -> BloodGlucoseRecord(
                             time = Instant.parse(recordMap["time"] as String),
                             zoneOffset = if (recordMap["zoneOffset"] != null) ZoneOffset.ofHours(recordMap["zoneOffset"] as Int) else null,
-                            level = BloodGlucose.millimolesPerLiter(recordMap["level"] as Double),
+                            level = BloodGlucose.milligramsPerDeciliter(recordMap["level"] as Double),
                             specimenSource = recordMap["specimenSource"] as Int,
                             mealType = recordMap["mealType"] as Int,
                             relationToMeal = recordMap["relationToMeal"] as Int,
diff --git a/lib/src/records/blood_glucose_record.dart b/lib/src/records/blood_glucose_record.dart
index 70ff8fe..b28811d 100644
--- a/lib/src/records/blood_glucose_record.dart
+++ b/lib/src/records/blood_glucose_record.dart
@@ -24,8 +24,8 @@ class BloodGlucoseRecord extends InstantaneousRecord {
       this.relationToMeal = RelationToMeal.unknown,
       this.mealType = MealType.unknown,
       metadata})
-      : assert(level.value <= _maxLevel.value),
-        assert(level.value >= _minLevel.value),
+      : assert(level.inMilligramsPerDeciliter <= _maxLevel.inMilligramsPerDeciliter),
+      assert(level.inMilligramsPerDeciliter >= _minLevel.inMilligramsPerDeciliter),
         metadata = metadata ?? Metadata.empty();
 
   static const BloodGlucose _maxLevel = BloodGlucose.millimolesPerLiter(50.0);