Does CBD Show Up On a Drug Test? Scientists aren’t willing to offer customers a“yes that are definitive or “no” about whether CBD can show through to a drug test. The issue of drug screening for CBD is complicated like many aspects of the hemp industry. Presently, the research points that are best to “probably perhaps not” or “maybe.” A lot of the complications result from two facets: Some CBD products contain a small amount of THC, also called full…