It has already been established that boswellic acids inhibit leukotriene production via 5- LOX [39].Boswellic acids also block the enzyme human leukocyte elastase which is generated during inflammation and hypersensitivity.AKBA inhibits NF-kB and suppresses TNF-α by inhibiting I kappa β kinase (IKK) thus being effective in treating psoriasis [40]. Here, TNF is linked to psoriasis.