SierraSil® Joint Formula14™ is comprised of SierraSil®. SierraSil® is a pure, all natural mineral powder with essential minerals including; silicon, calcium, potassium, magnesium, iron, manganese, copper and zinc. Research shows SierraSil Joint Formula14™ eases joint and muscle aches, reduces stiffness and helps prevent cartilage breakdown associated with exercise and movement. SierraSil® has strong health promoting and detoxifying properties due to its rich clay mineral structure. SierraSil® attracts and binds positively charged toxins, harmful bacteria and viruses as well as heavy metals, pesticides and other common chemical toxins, facilitating their safe removal from the body. Clinical results available in the Research section.