Enhanced Bioavailability Meriva Clinically Tested for Joint Health Dietary Supplement Non-GMO Suitable for Vegetarians/Vegans Curcumin protects DNA against damage by free radicals and reactive oxygen species. Meriva, a phytosome form of curcumin, is a patent-pending ingredient consisting of curcumin extract bound to phosphatidylcholine for increased absorption and bioavailability. Clinical studies show that it promotes joint health and flexibility.