No Shellfish Glucosamine HCI Plus Boswellia, White Willow Bark & Bioperine Joint & Mobility Support Non-GMO Vegan Dairy Free Preservative Free Gluten & Wheat Free Dietary Supplement Laboratory Tested Quality Ingredients Puremark Naturals, designed for those seeking a cleaner & more natural lifestyles, uses ingredients derived from natural sources whenever feasible. Joint & Mobility Puremark Naturals Turmeric flex combines a vegan form of Glucosamine HCI, Turmeric root extract, and hyaluronic acid with support herbal nutrients to provide a joint support formula suitable for those on vegetarian and vegan diets.