2-Hydroxyphenylacetic acid (Ortho-Hydroxyphenylacetic acid) can be found in a number of food items such as natal plum, lemon verbena, half-highbush blueberry, and parsley, which makes 2-Hydroxyphenylacetic acid a potential biomarker for the consumption of these food products. 2-Hydroxyphenylacetic acid (Ortho-Hydroxyphenylacetic acid) can be found primarily in blood, feces, and urine.
