GCA Labs is a premier scientific research, professional and technical laboratory providing analytical, physical, and chemical testing solutions. GCA Labs is the top-ranked testing facility in the state of Missouri and is based in Herculaneum. At GCA Labs, we believe in providing world-class laboratory testing services by using state-of-the-art analyzers, with consistent and accurate results to determine Potency, Terpenes, Residual solvents, Pesticides, Heavy metals, Microbial, Water Contents, Mycotoxins, Homogeneity, Plant Sex, and Strain Genotype.

Our testing services directly benefit the cultivators, manufacturers, and distributors in the state of Missouri. We provide fast turnaround times to enable efficient and effective production of properly dosed, contaminant-free products.