If you’re in the “squeamish” category, there are several organ supplements available that promise the same health benefits . Still, you may have heard about beef organ supplements and are curious about them. ORGAN SUPPLEMENTS, ALSO sometimes called "organ complex supplements," are usually made from cow organs that are freeze-dried, ground up, and encapsulated, Johnson says. Can beef organ supplements offer these same benefits? Who shouldn’t eat organ meat—or take organ supplements?