Round cardboard carton of Kalaklenz powder (Kalabak trade mark) which claims to cleanse the intestines and remove poisonous matter, for constipation, sluggish liver and rheumatism (i.e. acts as laxative dieuretic), by J.R. Hencher, herbalist, Nottingham, 1940-1965 Round cardboard carton of Kalaklenz powder (Kalabak trade mark) 1940-1980