GIABAHUPAIN is a kind of functional foods (a supplemental food) containing low dose of Tetrodotoxin and sedative, liver-tonic, kidney-tonic, heart-tonic and strengthen resistance. GIABAHUPAIN was used for 100 patients in the Educational-Labor-Social Center in Thanh Hoa province. Most patients cut the addiction in short time with no pain, less struggle than other detoxification methods. Specially, this product also has effect on re-addiction when patients return to the community with no longer drug thirsty anymore. The products are absolutely safe and patients gained weight significantly with spiritual comfort.