What does the CTH (Transsulfuration) gene do?

The CTH (Transsulfuration) gene provides instructions for making an enzyme called cystathionine-gamma-lyase. This enzyme performs the second step of the transsulfuration pathway: it converts cystathionine into cysteine. That matters because cysteine is used to help build glutathione, one of the body’s most important antioxidant and detox-support molecules. In simple terms, CTH helps your body move homocysteine down a pathway that supports antioxidant production and metabolic balance.

Why is the CTH (Transsulfuration) gene important?

CTH (Transsulfuration) is important because it works with the CBS enzyme to help convert homocysteine into cysteine through a two-step process. If certain genetic variants reduce CTH efficiency, homocysteine may be more likely to remain elevated in some people. Research has linked one CTH variant (rs1021737-TT) to higher homocysteine in a study population, suggesting a possible impact on homocysteine clearance—while other studies have not found strong links to outcomes like blood pressure or birth defects. Your report helps interpret what your CTH genetic variants may mean in the context of nutrition and detox support, while acknowledging where evidence is still emerging.

What can I do based on my CTH (Transsulfuration) results?

Based on your CTH (Transsulfuration) results, you’ll receive 3 personalized recommendations focused on supplement guidance. These may include targeted nutrients that support homocysteine metabolism (often involving B-vitamin cofactors) and supplements that support antioxidant capacity and glutathione-related pathways (often involving cysteine/sulfur-pathway support). Your report is designed to help you prioritize options that best match your genotype, rather than relying on one-size-fits-all advice.

How does the CTH (Transsulfuration) gene affect homocysteine and detox pathways?

CTH (Transsulfuration) influences homocysteine handling through the transsulfuration pathway. First, CBS converts homocysteine into cystathionine; then CTH converts cystathionine into cysteine. This matters for two reasons: (1) it helps prevent homocysteine from accumulating, and (2) it supports production of cysteine, a key building block for glutathione. Glutathione plays a central role in antioxidant defense and detox-related processes. Some CTH genetic variants have been associated with higher homocysteine in certain populations, suggesting a potential reduction in pathway efficiency—although overall evidence for broad health outcomes remains limited. A DNA-based report helps connect your genotype to practical nutrition and supplement strategies that may support these pathways.

What can a CTH (Transsulfuration) genetic test tell me about supplements for homocysteine support?

A CTH (Transsulfuration) genetic test can indicate whether your genetic variants may be associated with differences in transsulfuration efficiency—an important route for clearing homocysteine and supporting glutathione production. Your report uses this genetic analysis to generate personalized supplement recommendations that align with your genotype. For example, it may highlight supplements commonly used to support homocysteine metabolism (often involving B-vitamin cofactors) and nutrients that support antioxidant/glutathione pathways (often involving cysteine or sulfur-pathway support). The goal is to help you focus on options that are more likely to fit your biology, while being transparent that for some CTH variants, the current research is still developing.

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CTH (Transsulfuration)

Rated 4.75 out of 5 based on 4 customer ratings

4.8 (5 reviews)

CTH (Transsulfuration)

Rated 4.75 out of 5 based on 4 customer ratings

4.8 (5 reviews)

The report provides up to 3 personalized recommendations based on your genetic variants analyzed. Purchase a DNA kit to generate your genetic results. If you've already got one, you're all set to continue. View sample report.

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Analyzes Key Genetic Variants

Up to 3 DNA-Based, Science-Backed Recommendations

CTH (Transsulfuration)

$59 $29

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Product features

Note: To generate your personalized report, purchase a SelfDecode DNA kit. If you already have one, you’re ready to proceed.

Understanding Your CTH (Transsulfuration) Variants: A DNA Gene Report

Do you ever wonder why your homocysteine levels run higher than expected—even when your diet looks “good on paper”? Are you curious whether your body efficiently converts homocysteine into protective nutrients like cysteine and glutathione? Your CTH (Transsulfuration) gene helps power a key detox-and-nutrition pathway, and understanding your CTH (Transsulfuration) genetic variants can clarify how your body may handle methylation byproducts, antioxidant capacity, and homocysteine clearance—so you can make more targeted choices.

Key Report Highlights

This CTH (Transsulfuration) Gene Report analyzes genetic variants that may influence how effectively your body clears homocysteine through the transsulfuration pathway. You’ll also receive 3 personalized recommendations tailored to your genotype. Biologically, CTH helps produce cystathionine-gamma-lyase—an enzyme that converts cystathionine into cysteine, supporting downstream glutathione production. Compelling takeaway: because CTH works alongside CBS in a two-step process that helps prevent homocysteine buildup, even subtle shifts in CTH activity may affect markers tied to cardiovascular and detox-related health—though current evidence for some variants remains limited.

Personalized, Actionable Recommendations

Your recommendations are personalized to your specific CTH (Transsulfuration) genotype, translating genetic insights into practical next steps—especially supplement recommendations aligned with nutrition and detox support. Depending on your results, your report may include guidance such as targeted B-vitamin support for homocysteine metabolism (e.g., methylation cofactors) or antioxidant pathway support aimed at glutathione production (e.g., cysteine- or sulfur-pathway-related nutrients). Each recommendation is designed to be actionable, easy to follow, and grounded in what your DNA suggests about transsulfuration efficiency.

User-Friendly Format and Trust

With actionable and easy-to-understand recommendations, the report is designed for seamless integration into your daily life. Its user-friendly format ensures accessibility, making complex genetic data understandable and practical for users at all levels of familiarity with genetic information.

The report is rooted in accuracy and reliability, backed by comprehensive scientific research from reputable sources. It has garnered the trust of over 150,000 users and 1,000+ healthcare professionals. Furthermore, the report complies with HIPAA and GDPR, ensuring your privacy and security are prioritized.

Getting Started

To embark on this journey, simply purchase a DNA kit for an easy at-home sample collection, guaranteeing a hassle-free process. Delve into a personalized approach to wellness and equip yourself with actionable insights to enrich your life and health.

Product FAQs

: The CTH (Transsulfuration) gene provides instructions for making an enzyme called cystathionine-gamma-lyase. This enzyme performs the second step of the transsulfuration pathway: it converts cystathionine into cysteine. That matters because cysteine is used to help build glutathione, one of the body’s most important antioxidant and detox-support molecules. In simple terms, CTH helps your body move homocysteine down a pathway that supports antioxidant production and metabolic balance.
: CTH (Transsulfuration) is important because it works with the CBS enzyme to help convert homocysteine into cysteine through a two-step process. If certain genetic variants reduce CTH efficiency, homocysteine may be more likely to remain elevated in some people. Research has linked one CTH variant (rs1021737-TT) to higher homocysteine in a study population, suggesting a possible impact on homocysteine clearance—while other studies have not found strong links to outcomes like blood pressure or birth defects. Your report helps interpret what your CTH genetic variants may mean in the context of nutrition and detox support, while acknowledging where evidence is still emerging.
: Based on your CTH (Transsulfuration) results, you’ll receive 3 personalized recommendations focused on supplement guidance. These may include targeted nutrients that support homocysteine metabolism (often involving B-vitamin cofactors) and supplements that support antioxidant capacity and glutathione-related pathways (often involving cysteine/sulfur-pathway support). Your report is designed to help you prioritize options that best match your genotype, rather than relying on one-size-fits-all advice.
: CTH (Transsulfuration) influences homocysteine handling through the transsulfuration pathway. First, CBS converts homocysteine into cystathionine; then CTH converts cystathionine into cysteine. This matters for two reasons: (1) it helps prevent homocysteine from accumulating, and (2) it supports production of cysteine, a key building block for glutathione. Glutathione plays a central role in antioxidant defense and detox-related processes. Some CTH genetic variants have been associated with higher homocysteine in certain populations, suggesting a potential reduction in pathway efficiency—although overall evidence for broad health outcomes remains limited. A DNA-based report helps connect your genotype to practical nutrition and supplement strategies that may support these pathways.
: A CTH (Transsulfuration) genetic test can indicate whether your genetic variants may be associated with differences in transsulfuration efficiency—an important route for clearing homocysteine and supporting glutathione production. Your report uses this genetic analysis to generate personalized supplement recommendations that align with your genotype. For example, it may highlight supplements commonly used to support homocysteine metabolism (often involving B-vitamin cofactors) and nutrients that support antioxidant/glutathione pathways (often involving cysteine or sulfur-pathway support). The goal is to help you focus on options that are more likely to fit your biology, while being transparent that for some CTH variants, the current research is still developing.

WHY SELFDECODE?

Empowering Your Well-being Journey

This personalized health report is powered by SelfDecode's cutting-edge AI technology, designed to unlock a deeper understanding of your health potential. We're committed to providing you with the most accurate and actionable insights to guide your well-being journey.

Most Accurate
Polygenic Risk Scoring

We leverage cutting-edge algorithms and analyze a massive dataset of 2 million people to deliver the most precise assessment of your genetic health predispositions. Our advanced approach takes into account your ancestry - which is often overlooked by other methods - to provide you with the most accurate risk assessment. This ensures that the risk scores you receive are based on the latest scientific evidence and are truly personalized to your genetic makeup.

Cutting-Edge AI &
Machine Learning

We have invested 20 million dollars developing our AI and machine learning models. Our patent-pending technology provides you with the most personalized health insights and recommendations by taking into account your unique DNA, lifestyle, labs, symptoms, conditions and health goals. This empowers you to make informed decisions tailored to your specific needs.

Analyzes 200 Million Variants & Sophisticated Recommendation Engine

We go beyond the basics by analyzing a staggering 200 million genetic variants to provide the most comprehensive picture of your health potential. Our sophisticated recommendation engine leverages this deep analysis to provide personalized and actionable insights to optimize your well-being journey.

Built by Leading
Scientists & Engineers

A dedicated team of over 60 scientists and engineers is continuously innovating and developing our technology, ensuring it remains at the forefront of personalized health.

Reviews

Rated 4.75 out of 5 based on 4 customer ratings

4.8 (5 reviews)

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Amy N.

Rated 5 out of 5
As a strength coach in my 30s, I bought the CTH (Transsulfuration) nutrition report to understand why I feel “wired” after stress and recover slowly. It connected my genetics to glutathione production in a way I could act on. I followed the recommendations, added NAC in the morning, tried sulforaphane, and used glutathione on heavier training weeks. Within a month my post workout soreness eased and my skin looked less dull. I also appreciated the clear cautions and the food based tips, not just supplements.
Riya F.

Rated 5 out of 5
Honestly, I was pretty unsure about DNA health stuff, but this gave me practical steps I hadn’t found elsewhere. It explained why certain supplements like NAC and glutathione might matter for me. I don’t love supplements, but now at least I know why they matter for my body.
Lucía H.

Rated 4 out of 5
El informe CTH me orientó con NAC y sulforafano. Útil, aunque faltan ejemplos de dosis según objetivos.
Jeremy B.

Rated 5 out of 5
Yes, this helped.
Rebecca M.

Rated 5 out of 5
Impressed to see specific references to transsulfuration pathway variants and recommendations for NAC and glutathione, especially since my GPX gene panel flagged some red flags before. I appreciate how this synthesizes SNPs and potential methylation impacts, as well as actionable ways to optimize via sulforaphane. Excellent scientific detail throughout.

CTH (Transsulfuration)

Product features

Understanding Your CTH (Transsulfuration) Variants: A DNA Gene Report

Key Report Highlights

Personalized, Actionable Recommendations

User-Friendly Format and Trust

Getting Started

Product FAQs

What does the CTH (Transsulfuration) gene do?

Why is the CTH (Transsulfuration) gene important?

What can I do based on my CTH (Transsulfuration) results?

How does the CTH (Transsulfuration) gene affect homocysteine and detox pathways?

What can a CTH (Transsulfuration) genetic test tell me about supplements for homocysteine support?

WHY SELFDECODE?

Empowering Your Well-being Journey

Most AccuratePolygenic Risk Scoring

Cutting-Edge AI &Machine Learning

Analyzes 200 Million Variants & Sophisticated Recommendation Engine

Built by Leading Scientists & Engineers

Reviews

Related Products

Most Accurate
Polygenic Risk Scoring

Cutting-Edge AI &
Machine Learning

Built by Leading
Scientists & Engineers