Reply To: Does Fish Oil need a Hechsher? Home › Forums › Kosher Products › Does Fish Oil need a Hechsher? › Reply To: Does Fish Oil need a Hechsher? January 28, 2016 8:53 pm at 8:53 pm #1134537 HashemisreadingParticipant Torah613: Is it treif? Or is it just not lichatchila? I need to know for medical purposes..