Gampaha Wickramarachchi Rakth Shodhaka Kwatha is a traditional Ayurvedic herbal remedy from Sri Lanka, known for purifying the blood and promoting overall health. It contains ingredients like neem, manjistha, and sariva, aimed at detoxifying the bloodstream and balancing Pitta dosha. Typically consumed as a decoction, it's used to address blood impurities, skin issues, and detoxification.