Maltos-Cannabis was a Swedish hemp seed-based malt beverage "food remedy" with sedative qualities produced beginning around the late 19th century into the early 20th century.
[1][2] The product contained malt and hemp seed fatty extract.
[3] Produced between 1892 and 1912 in Stockholm by Tekniska Fabriken Röda Korset (Red cross technical factory),[4][5] the product was widely available in Sweden, Denmark, and Norway,[6] and advertised in a number of American publications.
[2][5][3] An 1899 pharmaceutical reference book printed in Philadelphia defined the product as a "Swedish nutrient in form of a yellowish-white powder, possessing a taste at first saline, later sweetish, and then acrid and bitter.
"[7]