This product is likely MSG Free.
Here's what he mixed together: tomato puree (tomato paste, water), sugar, brown sugar, distilled vinegar, molasses, water, salt, maple syrup, raisin paste, bourbon whiskey, tamari soy sauce (water, soybeans, salt, sugar), natural flavor, orange juice (from concentrate), dried onion, spices (including mustard flour), smoke flavor, garlic powder, celery seed.
Contains: soy, celery, mustard.