Slow Cooked Large Classic BBQ Pulled Pork

pork shoulder 80.0% , Barbecue Glaze 14.0% , sugar 8.1% , spice 4.9% , onion powder 3.3% , garlic powder 2.4% , salt 1.8% , dextrose 1.4% , corn starch 1.1% , red bell pepper 0.9% , rice flour 0.7% , tomato 0.6% , dehydrated onion 0.5% , green pepper 0.4% , oregano 0.3% , Colour 0.3% , Made using British and EU pork 0.2%