At Healths Harmony, we ve worked hard to provide you with the best formulation of purified oil we could find. Created by Tersus Pharmaceuticals, Provinal enables us to give you the most Palmitoleic Acid Ethyl Ester with the least Palmitic acid in our ultra-pure formula. Plus, it s manufactured in a state-of-the-art facility that strictly adheres to Gmp standards in both manufacturing and quality control.