Cannabigerol or CBG is the compound that comes first in the hemp plant before THC or CBD, it is the parent cannabinoid. This is the strongest CBG tincture available, 20:1 CBD to CBG. Isolated, each cannabinoid has its own beneficial properties. When you combine CBD with CBG, the effects of both are amplified. 1000mg concentration offers 33.3mg per dropper. THC free.