We sell testing kits and supplies for testing THC , CBD, CBG , CBN and more in cannabis products and plant material. World wide compliant, Canada TK approved, TLC Lab Supply has been in business for over 8 years selling to business, product producers, laboratories , governments, research developers, growers, breeders and individuals. Our kits are accurate and results can be compared to any qualified GC machine. We are also California TLC testing compliant.