Each brand is trying to find a way to get a leg up on the competition in a tight market space. The above picture is what I found on my last grocery run. What caught my eye was the asterisk next to the non-GMO popcorn claim. My guess was the ingredients list would include soybean, canola, or corn oil.
The temperature for broiling in an oven is 260 degrees Celsius or  500 degrees Fahrenheit. Medium heat is about 177 degrees Celsius or  350 degrees Fahrenheit.
Cook the pork loin to an internal temperature of 145 degrees Fahrenheit. Read the temperature at center with a meat thermometer. Transfer it off the broiler tray right away to prevent overcooking and let the meat rest for at least 3 to 5 minutes before cutting or serving it.