Alpha Tincture, a water soluble kratom tincture, is an innovative addition to Korthal’s Collection. This tincture allows you to make your own cold kratom beverages to enjoy and is best for increased energy, mood elevation, focus and pain relief. The Alpha Tincture is available in 10ml and 30ml bottles. The 10ml bottle contains a total of 750mg of mitragynine and the 30ml bottle contains a total of 2,250mg of mitragynine.