Healthy joint & mobility support 21st Century arthri-flex advantage + Turmeric is a combination of glucosamine HCl and turmeric root extract along with supportive herbal ingredients. This vegan formula includes 5 mg of black pepper extract to help support bioavailability of Turmeric, as it is not easily assimilated by our bodies. With black pepper extract to enhance bioavailability of Turmeric. The benefits of turmeric the benefits of turmeric are numerous, and using Turmeric in combination with Glucosamine HCl plus quality herbal ingredients offers support for joint health and normal mobility function. Support from the inside out a combination of glucosamine HCl and turmeric root extract along with supportive herbal ingredients. Turmeric root extract 400 mg per serving -Turmeric is a spice that comes from the Turmeric plant and supports joint health. Black pepper extract 5 mg per serving - Black pepper extract for enhanced bioavailability of Turmeric. Boswellia serrate 100 mg per serving -Boswellia serrate is a plant that produces Indian Frankincense and provides joint support. White Willow Bark extract 50 mg per serving - White Willow Bark is the bark of the stately white Willow tree (Salix alba) and has been used for centuries for its medicinal properties.