This is the original recipe by Colgin, Natural Hickory. Colgin is the all-natural liquid smoke with no additives or preservatives. Colgin is Vegan, contains no animal by-products and is gluten free. Colgin is the instant answer for adding smoke flavor to almost any food that would benefit from real smoke flavor and aroma. Create a gourmet flavored dish with just a few shakes! Perfect cooking sauce for easy oven, charcoal or gas grill cooking. Dash or brush it on steaks, chicken, hamburgers, or hot dogs for a tangy outdoor smoke flavor.