Broad Spectrum is a whole plant formulation that contains hemp-derived CBD extract as well as the plant's original phytocannabinoids, terpenes and oils. The hemp plant material used to create a broad-spectrum extract undergoes an additional purification process to remove as much THC as possible. Full Spectrum is a whole plant formulation that contains hemp-derived CBD extract as well as the plant's original phytocannabinoids, terpenes, and oils. A full spectrum extract and final formula contains less than 0.3% THC. CBD isolate is made up almost entirely of CBD molecules that have been isolated from all other parts of the hemp plant.