Compositions comprising a fatty acid oil mixture and at least one free fatty acid in a coated capsule or a coated tablet form suitable for oral administration, and methods of use thereof, are disclosed. Further disclosed are preconcentrates comprising a fatty acid oil mixture, at least one surfactant, and optionally at least one free fatty acid, in a coated capsule or a coated tablet form, and methods of use thereof. The preconcentrates are capable of forming a self-nanoemulsifying drug delivery system (SNEDDS), a self-microemulsifying drug delivery system (SMEDDS), or self-emulsifying drug delivery systems (SEDDS) in an aqueous solution.
