diff --git a/diabetes.js b/diabetes.js
new file mode 100644
index 0000000..8afea38
--- /dev/null
+++ b/diabetes.js
@@ -0,0 +1,35 @@
+(() => {
+  window.addEventListener('load', () => {
+    // Add dexcom_g7 ingredient if not already present
+    addIngredient("dexcom_g7", {
+      shape: "rectangle",
+      color: ["#4a90e2", "#0f64c1"],
+      glow: "#7fd1ff",
+      adj: "smart",
+      hidden: false
+    });
+
+    // Add glucose ingredient (if needed)
+    addIngredient("glucose", {
+      shape: "hexagon",
+      color: ["#f5deb3", "#deb887"],
+      glow: "#ffe4b5",
+      adj: "sweet",
+      hidden: false
+    });
+
+    // Add a recipe combining dexcom_g7 + glucose => calibrated_glucose_monitor
+    addRecipe(["dexcom_g7", "glucose"], "calibrated_glucose_monitor");
+
+    // Add the new ingredient calibrated_glucose_monitor
+    addIngredient("calibrated_glucose_monitor", {
+      shape: "rectangle",
+      color: ["#5dade2", "#2e86c1"],
+      glow: "#a9cce3",
+      adj: "calibrated",
+      hidden: false
+    });
+
+    console.log("Added recipe: dexcom_g7 + glucose = calibrated_glucose_monitor");
+  });
+})();