Fenbendazole and Frankincense: What the Research Does and Doesn't Say We've seen the question — can fenbendazole be combined with frankincense? It deserves an honest answer, grounded in what the evidence actually shows. This article is informational only and is not medical advice. The short answer After searching PubMed, general academic databases, and peer-reviewed literature (through November 2025), there are no clinical studies — and no peer-reviewed human trials — investi