Created by Elemental Seeds, Johnny's Tonic is a sativa-dominant cannabis strain native to California. With lineage of Cannatonic and Johnny Wonder, this strain is a 2014 Cannabis Cup award winner thanks to its high CBD level. Also high in THC, Johnny's Tonic boasts lanky, fluffy buds that have a fruity citrus aroma and flavor. High CBD cannabis strains may prove effective for pain, inflammation and anxiety, and Johnny's Tonic is no exception.