EtG Calculator Pro blog
Research-informed articles on EtG testing
Longer-form analysis from contributing writer Dr. Frederick, connecting the underlying biochemistry and diagnostic research to how EtG results are used and interpreted in practice.
Latest articles
Applied research01
EtG Testing in Monitoring Programs: Accuracy, Fairness, and Real-World Limits
How probation, workplace, and recovery-monitoring programs use EtG testing, why a lab number is not the same thing as a program decision, and what evidence-informed program design looks like.
By Dr. Frederick · September 10, 2026 · 9 minute read →The science behind the test02How Ethyl Glucuronide Reveals Recent Alcohol Use
A plain-language look at the biochemistry behind the EtG test: how a minor ethanol pathway became one of the most specific tools for detecting recent drinking, and what the science still cannot tell you.
By Dr. Frederick · September 8, 2026 · 8 minute read →