Spice' in Flemish teenagers' vapes: 'Up to 50 times stronger than cannabis and as addictive as heroin' VRT NWS: news Are Vapes Laced With Spice Becoming More Common? Action Rehab Spice, or synthetic cannabinoids, are commonly found in vape liquids advertised as THC or cannabis oil. It is much more dangerous and unpredictable than cannabis. Health risks include and are not limited Spice K2, Synthetic Marijuana Pumpkin Spice Custard Monster eLiquid $12.59