People choose THC-free broad-spectrum CBD to avoid intentionally added THC...

https://bizzmarkblog.com/cbd-and-medication-interactions-what-should-i-ask-my-doctor/

People choose THC-free broad-spectrum CBD to avoid intentionally added THC while keeping other hemp compounds. Trace amounts can still matter for drug tests. Check a batch-specific COA, and ask the testing provider what its screen detects.