Yes ayurved have solution for it.
Medicine and poisoning have very fine line in between them. Addiction increase silently and destroy family life as well as the Addicted persons helth. If he make oth to deny Addiction then only it is possible.
Till that assist his
liver profile,
kidney function profile. And add some nutrition in diet.
You can give him tamrin sweet and sour chatny in diet . add Pudina, lime ,amla, resins in diet.
Next Steps
be polit to him and have conversation about his insecurities and problems. tell him yous also and find solution. it will heel him and may he wants to quit his addiction.