diff --git a/app/lib/common/models/userdata/userdata.dart b/app/lib/common/models/userdata/userdata.dart
index b2c13f3b..181b2865 100644
--- a/app/lib/common/models/userdata/userdata.dart
+++ b/app/lib/common/models/userdata/userdata.dart
@@ -11,6 +11,8 @@ part 'userdata.g.dart';
 
 const _boxName = 'userdata';
 
+const overwritePhenotype = 'Poor Metabolizer';
+
 /// UserData is a singleton data-class which contains various user-specific
 /// data It is intended to be loaded from a Hive box once at app launch, from
 /// where it's contents can be modified by accessing it's properties.
@@ -61,17 +63,9 @@ class UserData {
       genotypeResult.gene,
       drug: drug,
     );
-    if (activeInhibitors.isEmpty) {
+    if (!isInhibited(genotypeResult, drug: drug)) {
       return PhenotypeInformation(phenotype: originalPhenotype);
     }
-    final overwritePhenotype = context.l10n.general_poor_metabolizer;
-    final currentPhenotypeEqualsOverwritePhenotype =
-      originalPhenotype.toLowerCase() == overwritePhenotype.toLowerCase();
-    if (currentPhenotypeEqualsOverwritePhenotype) {
-      return PhenotypeInformation(
-        phenotype: originalPhenotype,
-      );
-    }
     final overwrittenLookup = UserData.overwrittenLookup(
       genotypeResult.gene,
       drug: drug,
@@ -235,3 +229,18 @@ List<String> activeDrugsFromHTTPResponse(Response resp) {
   }
   return activeDrugs;
 }
+
+bool isInhibited(
+    GenotypeResult genotypeResult,
+    { String? drug }
+) {
+  final activeInhibitors = UserData.activeInhibitorsFor(
+    genotypeResult.gene,
+    drug: drug,
+  );
+  final originalPhenotype = genotypeResult.phenotypeDisplayString;
+  final phenotypeCanBeInhibited =
+    originalPhenotype.toLowerCase() != overwritePhenotype.toLowerCase();
+  return activeInhibitors.isNotEmpty && phenotypeCanBeInhibited;
+}
+
diff --git a/app/lib/l10n/app_en.arb b/app/lib/l10n/app_en.arb
index 8624a07b..68020e06 100644
--- a/app/lib/l10n/app_en.arb
+++ b/app/lib/l10n/app_en.arb
@@ -48,7 +48,6 @@
   "general_continue": "Continue",
   "general_retry": "Retry",
   "general_and": "and",
-  "general_poor_metabolizer": "Poor Metabolizer",
   "general_not_tested": "Not tested",
 
   "warning_level_green": "Standard precautions",
diff --git a/app/lib/report/pages/gene.dart b/app/lib/report/pages/gene.dart
index 8b16b11b..a07d0e8b 100644
--- a/app/lib/report/pages/gene.dart
+++ b/app/lib/report/pages/gene.dart
@@ -14,15 +14,6 @@ class GenePage extends HookWidget {
   final GenotypeResult genotypeResult;
   final DrugListCubit cubit;
 
-  bool _isInhibited(BuildContext context, GenotypeResult genotypeResult) {
-    final phenotypeInformation = UserData.phenotypeInformationFor(
-      genotypeResult,
-      context,
-    );
-    return phenotypeInformation.overwrittenPhenotypeText.isNotNullOrBlank;
-  }
-
-
   @override
   Widget build(BuildContext context) {
     return Consumer<ActiveDrugs>(
@@ -70,7 +61,7 @@ class GenePage extends HookWidget {
                               _buildPhenotypeRow(context),
                             ],
                           ),
-                          if (_isInhibited(context, genotypeResult))
+                          if (isInhibited(genotypeResult))
                             ...buildDrugInteractionInfo(
                               context,
                               genotypeResult,
@@ -98,13 +89,9 @@ class GenePage extends HookWidget {
   }
 
   TableRow _buildPhenotypeRow(BuildContext context) {
-    final phenotypeInformation = UserData.phenotypeInformationFor(
-      genotypeResult,
-      context,
-    );
-    final phenotypeText = phenotypeInformation.adaptionText.isNotNullOrBlank
-      ? '${phenotypeInformation.phenotype}$drugInteractionIndicator'
-      : phenotypeInformation.phenotype;
+    final phenotypeText = isInhibited(genotypeResult)
+      ? '${genotypeResult.phenotypeDisplayString}$drugInteractionIndicator'
+      : genotypeResult.phenotypeDisplayString;
     return _buildRow(
       context.l10n.gene_page_phenotype,
       phenotypeText,
diff --git a/app/lib/report/pages/report.dart b/app/lib/report/pages/report.dart
index c2d53d9c..08617b47 100644
--- a/app/lib/report/pages/report.dart
+++ b/app/lib/report/pages/report.dart
@@ -121,13 +121,9 @@ class GeneCard extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final phenotypeInformation = UserData.phenotypeInformationFor(
-      genotypeResult,
-      context,
-    );
-    final phenotypeText = phenotypeInformation.adaptionText.isNullOrBlank
-      ? phenotypeInformation.phenotype
-      : '${phenotypeInformation.phenotype}$drugInteractionIndicator';
+    final phenotypeText = isInhibited(genotypeResult)
+      ? genotypeResult.phenotypeDisplayString
+      : '${genotypeResult.phenotypeDisplayString}$drugInteractionIndicator';
     final hasLegend = warningLevelCounts.values.any((count) => count > 0);
     return RoundedCard(
       onTap: () => context.router.push(