Cannabis Infusions Supercritical CO2 Extracts are infused with supercritical CO2 ayurvedic herbs. They are made without artificial flavors, fillers, preservatives, additives, stabilizers, excipients, alcohol or glycerin. Cannabis is naturally resistant to pests, so it is grown without herbicides, pesticides, or chemical fertilizers. The infusions are available in Rosemary, Holy Basil, or Turmeric.