Arthritis is more common among adults 65 and older, but it can affect people of all ages, including children. Tribulus is a great circulatory tonic; increases energy and can help build muscle and strength, as well as reduce muscle recovery time. It's a favorite of Olympic athletes and is great all round herb Once the cartilage lining begins to thicken and thin, tendons and ligaments must work harder. This can cause swelling and spur formation, called osteophytes.