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Glutathion

Glutathione · GSH · Reduced Glutathione · Master Antioxidant

Longevity & BiohackingZeitabhängig
Einheit:
mmol/L
Abbreviation
GSH

Glutathione (GSH) quantifies the levels of reduced glutathione in the blood, reflecting the body's antioxidant capacity.

Reference Ranges

Reference
12.5mmol/L
1
2.5
LowNormalHigh
Reference
Unit · mmol/L

Reference ranges may vary by laboratory and population demographics.

Overview

Übersicht

Glutathione (GSH), also known as reduced glutathione, is a tripeptide composed of glutamine, cysteine, and glycine. It serves as a major antioxidant in the body, participating in cellular redox reactions and detoxifying xenobiotics. GSH is crucial for maintaining redox balance, protecting cells from oxidative damage, and supporting immune function. Researchers have found that GSH levels reflect the body's ability to counteract oxidative stress and maintain cellular health. Clinically, GSH is significant in conditions characterized by oxidative stress, such as schizophrenia, severe community-acquired pneumonia, and various neurological disorders. Altered GSH levels are associated with disease progression and prognosis, making it a potential biomarker for these conditions. In the context of longevity and biohacking, GSH is valued for its role in reducing oxidative stress and supporting detoxification processes, which are believed to contribute to improved healthspan and reduced age-related decline. Athletes and biohackers often seek to optimize GSH levels to enhance recovery and immune function. However, GSH levels can be influenced by factors such as diet, supplementation, and overall health status. Researchers observed that oral supplementation can increase GSH levels, but the bioavailability and long-term effects in humans require further study. Testing for GSH does not typically require fasting, but levels may vary with time of day and other physiological factors.

Klinische Bedeutung

Elevated GSH levels generally indicate robust antioxidant defenses and efficient detoxification processes. Reduced GSH levels may suggest increased oxidative stress, impaired detoxification, or a compromised immune system.

Dynamics

Trend Interpretation

Rising Values

Progressively rising GSH levels suggest improved antioxidant capacity. Re-test in 6 months to confirm stability.

Falling Values

Progressively falling GSH levels may indicate increasing oxidative stress or declining health status.

Re-test Interval

4 weeks if outside optimal range

Etiology

Causes — High & Low

Cause

Elevated Levels

  • High antioxidant intake
  • Effective detoxification
  • Supplementation
  • Reduced oxidative stress
Cause

Low Levels

  • Oxidative stress
  • Chronic illness
  • Nutrient deficiencies
  • Aging
Protocol

How to Optimize

Lever

Lifestyle

  • Regular exercise
  • Stress management
  • Adequate sleep
Lever

Nutrition

  • Consume sulfur-rich foods
  • Increase intake of fruits and vegetables
  • Include selenium-rich foods
Lever

Supplementation

  • N-acetylcysteine
  • Alpha-lipoic acid
  • Glutathione supplements

Note:

Consult a healthcare provider before starting any new supplementation regimen.

Testing Guidelines

Fasting Not Required
🕐Time-Sensitive

GSH levels may vary throughout the day; consistent timing is recommended for repeat tests.

Testing Frequency

Annually for general health monitoring, more frequently if managing specific conditions.

Interfering Factors

  • Recent intense exercise
  • Acute illness
  • Dietary changes

Related Peptides & Hormones

Cortisol

Correlated with

hormone or peptide

Open Research Questions

Current research suggests that reference ranges for glutathione (GSH) levels in various populations, particularly in neurological disorders, remain poorly defined, and optimal targets for supplementation are still debated. Researchers have not yet established the specific confounders affecting GSH levels in conditions like schizophrenia and severe pneumonia. Additionally, clinical questions regarding the precise role of GSH as a biomarker for disease phenotypes and its therapeutic potential in various disorders remain unanswered.

25 Research Publications

1,027

Total Citations

7

Human/RCT

4.0

Avg. Influence

2018

Latest

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#01

Molecular mechanisms and potential clinical significance of S-glutathionylation.

ReviewInfluence12.0
307
This review focused on protein S-glutathionylation and its implications in human diseases. Researchers found that S-glutathionylation plays a role in redox regulation and may be linked to conditions like cataracts and Alzheimer's disease, indicating its potential significance in disease mechanisms.
View on PubMed
#02

Glutathione redox imbalance in brain disorders.

ReviewInfluence11.0
221
This review summarized evidence linking glutathione redox imbalance to various brain disorders. Researchers found that GSH depletion may contribute to the pathology of conditions like Alzheimer's and Parkinson's disease, suggesting its potential as a biomarker for these disorders.
View on PubMed
#03

Randomized controlled trial of oral glutathione supplementation on body stores of glutathione.

HumanInfluence3.0
116
Researchers conducted a randomized controlled trial to assess the long-term effects of oral glutathione supplementation on GSH levels in healthy adults. They found that GSH levels in blood and other compartments significantly increased after supplementation. Additionally, a reduction in oxidative stress was observed in participants receiving GSH.
View on PubMed
#04

Glutathione Peroxidase GPX1 and Its Dichotomous Roles in Cancer.

ReviewInfluence2.0
97
This review examined the dual roles of glutathione peroxidase 1 (GPX1) in cancer. Researchers noted that GPX1 is involved in reducing oxidative stress but has complex roles as both a tumor suppressor and promoter, depending on the cancer type.
View on PubMed
#05

Glutathione as a Redox Biomarker in Mitochondrial Disease-Implications for Therapy.

ReviewInfluence1.0
76
This review discussed the role of glutathione as a redox biomarker in mitochondrial disease. Researchers noted that measuring GSH levels could aid in evaluating mitochondrial dysfunction and guide the development of therapies aimed at improving intracellular glutathione status.
View on PubMed
#06

An Update on Glutathione's Biosynthesis, Metabolism, Functions, and Medicinal Purposes.

ReviewInfluence1.0
55
This review examined the crucial role of glutathione (GSH) in various physiological processes, including antioxidant defense and detoxification. Researchers found that maintaining GSH balance is essential for health and may aid in treating age-related disorders. The study also discusses GSH's synthesis, metabolism, and potential medicinal uses.
View on PubMed
#07

In Vivo Brain GSH: MRS Methods and Clinical Applications.

ReviewInfluence1.0
50
This review provided an overview of methods for quantifying brain glutathione levels using magnetic resonance spectroscopy. Researchers highlighted the importance of understanding GSH metabolism in the brain and its potential as a biomarker for neurological disorders.
View on PubMed
#08

Plasma Glutathione and Prodromal Parkinson's Disease Probability.

Human
24
Researchers explored the association between plasma glutathione levels and the probability of developing prodromal Parkinson's disease. They found that higher plasma GSH levels were linked to a slower increase in the probability of developing the disease.
View on PubMed
#09

Glutathione dynamics in subcellular compartments and implications for drug development.

ReviewInfluence1.0
20
Researchers reviewed the dynamics of glutathione in subcellular compartments and its implications for drug development. They found that understanding GSH regulation is crucial for designing effective therapies, particularly in cancer treatment.
View on PubMed
#10

Schizophrenia and Glutathione: A Challenging Story.

Review
18
This study reviewed the role of glutathione dysregulation in schizophrenia, highlighting its potential as a biomarker for the disorder. Researchers found that varying GSH levels may correlate with different symptoms of schizophrenia, indicating its relevance in understanding the disease's heterogeneity.
View on PubMed

Publication Trend

Research publications about Glutathion over time

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This page is for informational and research purposes only. All information is based on published scientific literature and does not constitute medical advice, diagnosis, or treatment recommendations. Many substances listed may not be approved for human use and may be subject to drug regulation laws (e.g., AMG in Germany, FDA in the US). PepStack does not encourage the use of any substance on humans. Always consult a qualified healthcare professional before making any health-related decisions. Use of this information is entirely at your own risk. PepStack assumes no liability for the accuracy, completeness, or timeliness of the content provided. Full disclaimer