ピコリン酸さんMeanings1nounpicolinic acidchemistryA pyridine derivative with a carboxyl group at the 2-position; used in coordination chemistry and as a dietary supplement ingredient.ピコリン酸さんはクロムの吸きゅう収しゅうを助たすけると言いわれている。Picolinic acid is said to help with chromium absorption.