very good, ok - the ginger stimulates detoxification and it sounds like that is his general intent there - along with supporting the body's own healing process.
he might also benefit from this juice recipe that really helps the immune system and alkalises the body too: https://steemit.com/health/@ura-soul/lemon-and-ginger-blast-this-really-is-the-most-powerful-healing-drink-i-have-ever-found-you-can-stop-colds-and-other-bugs