Cannatonic is a unique hybrid strain bred by Spanish seed bank Resin Seeds specifically for its low THC content rarely above 6 and high CBD content 617 A cross between a female MK Ultra and a famous G13 Haze male it produces a relatively shortlived mellow high that is also uplifting and powerfully relaxing thanks to the high CBD content As one of the premier medical strains Cannatonic is often used to treat pain muscle spasms anxiety migraines and a wide variety of other physiological and psychological symptoms Most phenotypes present with a slight earthy odor and a mild sweet vaguely citrusy flavor