Wright's natural hickory seasoning (liquid smoke) is produced by burning fresh cut hickory chips, then condensing the smoke into a liquid form. The liquid smoke is then scrubbed and filtered to remove all impurities. Modern ovens and condensers are used to ensure consistent quality. Wright's natural hickory seasoning (liquid smoke) is a natural product...no flavors or preservatives are added. It is a flavor enhancer and a low-cost barbecuing process. It will save hours of cooking time and reduces labor expense for cleanup. Perfect for special diets and low sodium entrees. No salt - 0 mg sodium per teaspoon.