Holy Basil Extract 450 mg, Value Size, 180 Capsules, Planetary HerbalsPlanetary Herbals Holy Basil Herbal Supplement. Promotes Centered Calmness. For Natural Stress Reduction and COX 2 Inhibition. A Powerful Adaptogen. Holy Basil is rich in beneficial compounds, such as rosmarinic acid, eugenol, and many other which work together to reduce stress. This herb also typically contains ursolic acid, which has been shown to inhibit COX 2 in in vitro research. As a result, Holy Basil has a positive effect on mental well being,