diff --git a/homeassistant/components/fitbit/sensor.py b/homeassistant/components/fitbit/sensor.py
index 34c4f61f554..96de36a1f29 100644
--- a/homeassistant/components/fitbit/sensor.py
+++ b/homeassistant/components/fitbit/sensor.py
@@ -29,7 +29,7 @@ from homeassistant.core import HomeAssistant, callback
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.icon import icon_for_battery_level
-from homeassistant.helpers.network import get_url
+from homeassistant.helpers.network import NoURLAvailableError, get_url
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 from homeassistant.util.json import load_json, save_json
 
@@ -101,16 +101,21 @@ def request_app_setup(
         else:
             setup_platform(hass, config, add_entities, discovery_info)
 
-    start_url = f"{get_url(hass)}{FITBIT_AUTH_CALLBACK_PATH}"
-
-    description = f"""Please create a Fitbit developer app at
+    try:
+        description = f"""Please create a Fitbit developer app at
                        https://dev.fitbit.com/apps/new.
                        For the OAuth 2.0 Application Type choose Personal.
-                       Set the Callback URL to {start_url}.
+                       Set the Callback URL to {get_url(hass, require_ssl=True)}{FITBIT_AUTH_CALLBACK_PATH}.
+                       (Note: Your Home Assistant instance must be accessible via HTTPS.)
                        They will provide you a Client ID and secret.
                        These need to be saved into the file located at: {config_path}.
                        Then come back here and hit the below button.
                        """
+    except NoURLAvailableError:
+        error_msg = """Could not find a SSL enabled URL for your Home Assistant instance.
+                     Fitbit requires that your Home Assistant instance is accessible via HTTPS.
+                     """
+        configurator.notify_errors(_CONFIGURING["fitbit"], error_msg)
 
     submit = "I have saved my Client ID and Client Secret into fitbit.conf."
 
@@ -136,7 +141,7 @@ def request_oauth_completion(hass: HomeAssistant) -> None:
     def fitbit_configuration_callback(fields: list[dict[str, str]]) -> None:
         """Handle configuration updates."""
 
-    start_url = f"{get_url(hass)}{FITBIT_AUTH_START}"
+    start_url = f"{get_url(hass, require_ssl=True)}{FITBIT_AUTH_START}"
 
     description = f"Please authorize Fitbit by visiting {start_url}"
 
@@ -236,7 +241,7 @@ def setup_platform(
             config_file.get(CONF_CLIENT_ID), config_file.get(CONF_CLIENT_SECRET)
         )
 
-        redirect_uri = f"{get_url(hass)}{FITBIT_AUTH_CALLBACK_PATH}"
+        redirect_uri = f"{get_url(hass, require_ssl=True)}{FITBIT_AUTH_CALLBACK_PATH}"
 
         fitbit_auth_start_url, _ = oauth.authorize_token_url(
             redirect_uri=redirect_uri,