I understand you're looking for natural ways to support fallopian tube health. However, it's important to clarify a key medical fact first: with any natural remedy, douche, or supplement. The tubes are delicate, internal structures lined with hair-like cells (cilia) that naturally move an egg and fluids. Attempting to "clean" them yourself is not anatomically possible and could be harmful.
That said, if you're concerned about (often due to inflammation, scar tissue, or pelvic inflammatory disease), certain lifestyle and natural approaches may help support overall pelvic health and reduce inflammation, which might improve tubal function. Always consult a doctor first—conditions like hydrosalpinx (fluid-filled blocked tube) often require surgery.