2. Turmeric or curcumin. Curcumin, turmeric’s active ingredient, is a natural anti-inflammatory that can be taken as a tonic to minimize chronic inflammation. 1 teaspoon Tumeric, 1/2 teaspoon black pepper and almond milk: to help relieve sciatic pain.It takes about a half hour to kick in. 3. Kratom This herb is both fast and natural for pain relief, making you feel good, and it also helps overcome depression normally caused by many medications.he following are 4 of the most powerful herbs that will help you get rid sciatic pain without pharmaceutical medication. 1. Jamaican dogwood This herb is derived from the bark of the dogwood tree and has often been the top choice for relieving nerve pain.