Triangle K is a kosher supervision and certification organization under the leadership of Rabbis Jehoseph H. and Aryeh R. Ralbag. Its hechsher is a letter "K" enclosed in an equilateral triangle. It supervises a number of major brands, including Del Monte, Hebrew National, Minute Maid, Ocean Spray, Sunsweet, Sunny Delight, and Wonder Bread.
Triangle K has long been a source of controversy within the Orthodox community. However there are many people in the Orthodox community who believe that this is all a political controversy started many years ago by competing Kosher agencies. To the contrary, in regards to Kosher the Triangle K has exactly the same "supposed" high Halachic standards as any of the other National supervising agencies, and the same "leniencies" all National supervising agencies rely on to make Kosher available to the greater public. (Hamodia newspaper, 21 Sep 2011, page C52). But while the overwhelming majority of Orthodox Jews only eat glatt kosher, Triangle K continues to certify foods which are not "glatt"
- "Triangle K and Associates: Kosher Certification and Supervision". Triangle K Web site. Retrieved 2008-01-01.
- "Triangle K and Associates: Rabbis Ralbag". Triangle K Web site. Retrieved 2008-01-01.
- "Triangle K and Associates: Sample Products". Triangle K Web site. Retrieved 2008-01-01.
- "Initial Interview With Rabbi Aryeh Ralbag". Canonist Blog. Retrieved 2010-06-21.
- Miriam Colton & Steven I. Weiss, Hebrew National Certified Kosher--But Not Kosher Enough for Some, The Jewish Daily Forward (June 11, 2004).