Green Roads Broad Spectrum CBD Oil Tincture Box-of-4 (Choose Strength & Flavor) Green Roads Broad Spectrum CBD Oil Tincture Box-of-4. Green Roads’ award-winning sublingual CBD oil is available in a range of strengths and flavors. Display Box of 4 Units. These proprietary blends of hemp-derived cannabinoid extracts offer you fast-acting relief and high bioavailability, meaning your body will be able to absorb the CBD and put it to work quickly. Always FREE shipping at CBD Wholesalers! Select options