Last reviewed: May 12, 2026 Last updated: May 12, 2026

Written by: Jay Hastings , CEO of PlexusDx

Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations. He has more than 20 years of experience across healthcare innovation, genomics, laboratory operations, healthcare investing, and strategic finance. His work has included scaling healthcare startups, leading CLIA lab integrations, and helping expand consumer access to precision health tools.

Medically reviewed by: Jayden Lee, PharmD, EMBA

Jayden Lee, PharmD, EMBA, is the PlexusDx Medical Science Liaison with a PharmD and MBA specializing in pharmacogenomics and clinical product development, with a proven ability to bridge the gap between genomic research and practical patient outcomes. Dr. Lee has more than 10 years of professional experience in clinical pharmacy, academia, and research.

During your pursuit of optimal health you might have noticed the term "Pyroglutamic Acid" (PGA) in your research.

The term PGA stands for Pyroglutamic Acid which plays an important role in health, but what exactly does it mean and what effect does it have on wellbeing? Our exploration of PGA will focus on its involvement in glutathione metabolism and how different PGA concentrations can affect your health results. PGA functions as a biomarker which regulates important aspects of glutathione metabolism while impacting detoxification and antioxidant activities in the body. PGA forms from glutamic acid breakdown and contributes to essential bodily functions like glutamate storage and antioxidant protection as well as immune response activities. Both elevated and diminished PGA levels can produce important health effects. Factors that lead to high PGA levels include sepsis along with alcohol abuse and liver disease as well as dehydration plus paracetamol (acetaminophen) usage with glutathione deficiency resulting in oxidative stress and genetic influences. Research shows that individuals with genetically higher PGA levels tend to exhibit advantages including greater intelligence and better respiratory health. Genetic factors and medications used for seizures along with poor nutrition can cause low PGA levels. Your body needs proper levels of sulfur-containing amino acids alongside glutamate and glycine intake from food to sustain normal glutathione and PGA concentrations. Current research provides low-quality evidence for the genetic model that associates PGA with health outcomes but additional studies are required to confirm these findings. The knowledge about genetic predispositions and PGA levels provides essential insights into your health status and helps tailor your health-related choices. If you wish to use genetic insights for health optimization then Precision Health & Wellness tests from PlexusDx can be an important step. The data from these tests lets people learn more about their genetic properties including PGA levels which enables them to make knowledge-based decisions that benefit their health objectives. The biomarker PGA plays a crucial role in glutathione metabolism which influences both detoxification functions and antioxidant activities within the body. Understanding which elements affect PGA levels and actively managing them allows individuals to promote their general health. Discover the benefits of personalized health insights through Precision Health & Wellness tests from PlexusDx which help you make smart choices for better health outcomes.

Medical and Editorial Standards

Medical review process: This article was reviewed for medical accuracy, scientific clarity, evidence alignment, and appropriate discussion of genetics, medications, supplements, biomarkers, and health-related claims.

Sources and evidence: PlexusDx educational content is developed using peer-reviewed research, clinical literature, reputable medical references, and, where applicable, public health or regulatory guidance. References are included at the end of the article when scientific, medical, or health-related claims are discussed.

Commercial transparency: PlexusDx offers genetic testing, blood biomarker testing, personalized supplement recommendations, and related precision wellness services. Product mentions are intended to help readers understand available options and should not be interpreted as medical advice.

Important disclaimer: PlexusDx educational content is for informational purposes only and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about medications, supplements, genetic testing, lab testing, or health-related care.

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