2 Best Undecylenic acid supplements

- Undecylenic acid
- 50 mg per softgel
Undecylenic acid is six times more effective than caprylic acid. It is also one of Thorne’s most popular supplements.
Thorne Undecyn is even more powerful because it not only contains undecylenic acid, but also Berberine and betaine HCl. This makes it an effective supplement for the intestines.