This is not a tincture to take daily just because. It's uses are for specific people with specific concerns. Japanese Knotweed is famous for being one of the most legitimately effective substances on the planet at lowering cortisol levels. There is also some research from Johns Hopkins that suggests Japanese Knotweed may be as or more effective than traditional medications at killing the bacteria that's responsible for lyme disease. If this is true, then a knotweed tincture may be the perfect potion to pack with you for any adventure that takes you into tick infested lands.