Mary\’s High Dose THC Tincture | 1500mg | 50ml Bottle Our high-quality grapeseed oil tinctures combine the finest tested THC extract to ensure accurate levels for correct dosing. Our high dose THC gives seasoned consumers of cannabis products a quality response where their tolerance may have built up over time. We selected high-quality grapeseed oil as it is ideal for multi-purpose use, known for its suitability for topical treatments means this is an ideal product for both oral and applied treatments. HOW TO USEA quarter dropper full of our tincture is a sufficient dose, but patients can safely apply more as needed.1500mg Total