Nutrition & Detox

Phase I Detox

How your body begins to process the world

Coffee, medications, hormones and the air you breathe all pass through the same early workshop in your liver. The enzymes there decide how quickly each compound is changed and prepared to leave.

  • 13 genes analyzed
  • At-home saliva test
  • Results in 3–4 weeks

What is phase I detox?

Phase I is the first step in how your body processes many substances, from caffeine and alcohol to medications and its own hormones. It happens mostly in the liver, led by a large family of enzymes called cytochrome P450, often shortened to CYP. These enzymes add or expose a reactive site on a molecule. That small change can switch a compound off, switch a medication on, or ready it for the next stage, Phase II, where it is made easier to excrete.

How your genes play a role

Each CYP enzyme is built from its own gene, and common variants can make some people faster or slower processors of particular compounds. This is a core idea in pharmacogenomics, the study of how genes shape responses to medications. Your genes are only part of the story. Diet, smoking, alcohol and other medicines can also speed up or slow down these enzymes from day to day.

Knowing whether you tend to process certain compounds quickly or slowly may help explain everyday experiences, like why a medication suits one person and feels stronger for another. It can also give your clinician or pharmacist helpful context when choosing a medication or a dose. Phase I and Phase II work as a pair, so understanding the first step helps you see the whole flow of how your body clears what it no longer needs.

What your report shows

Your Phase I Detox results are explained in plain language in your private EvoDNA account, alongside the other areas in your kit.

  • Overall processing styleWhether your P450 profile leans toward faster, typical or slower processing across several enzymes.
  • Medication tendenciesYour likely processing speed for enzymes involved in many common prescriptions.
  • Hormone processingHow certain enzymes may influence the early breakdown of estrogen.
  • Everyday exposuresYour tendencies for handling compounds from smoke, grilled foods and alcohol.
Sample reportNutrition & Detox
Phase I Detox13 genes analyzed
GeneWhat it doesResult
CYP2D6Processes many common medications, and its activity varies widely…Typical
CYP2C19Helps activate or clear several medications, including some used…Moderate effect
CYP3A4One of the busiest liver enzymes, involved in processing…Typical
What this means for you

Each result comes with a plain-language explanation and practical points to discuss with your clinician.

Illustration only. Your report reflects your own genetic results.

Genes we analyze

GeneRole
CYP2D6Processes many common medications, and its activity varies widely between people.
CYP2C19Helps activate or clear several medications, including some used for the stomach and heart.
CYP3A4One of the busiest liver enzymes, involved in processing a large share of prescribed medicines.
CYP1B1Helps metabolize estrogen and some environmental compounds.
CYP2E1Helps break down alcohol and certain small solvent molecules.
Full panel: 13 genes

CYP1A1, CYP1B1, CYP2A6, CYP2B6, CYP2C9, CYP2C19, CYP2D6, CYP2E1, CYP3A4, CYP3A5, FMO3, MAO-A, MAO-B

Putting results to use

Many people use their results as a starting point for conversations with their clinician about:

Cruciferous vegetables

Broccoli, cabbage and Brussels sprouts are often discussed for their gentle influence on liver enzymes.

Alcohol awareness

Regular alcohol can change how some Phase I enzymes behave, so it is worth discussing openly.

Grapefruit and medicines

Grapefruit can affect CYP3A4, which is why some medication labels mention it.

Sharing your report

Showing your results to your pharmacist or clinician can add context when medications are reviewed.

Questions

Does a slow variant mean my liver is unhealthy?

No. Processing speed is a normal genetic difference, not a sign of liver health. Many people with slower variants are perfectly well.

Can I change my medication based on this report?

Please do not change any medication on your own. Your report is best used as context for your clinician or pharmacist, who can weigh it with your full history.

Why do Phase I and Phase II matter together?

Phase I often creates intermediate compounds that Phase II then neutralizes. When the two steps are in balance, the whole process tends to run smoothly.

Only interested in this area? The Detox Phase 1 Genetic Report is available on its own for $99.00.

Evo Blueprint

Evo Blueprint

Read your Phase I Detox genes, and 47 more areas

  • One painless saliva sample, collected at home
  • Clear, plain-language report for every area
  • Private and secure. Your data is never sold
  • Results in your EvoDNA account in 3–4 weeks

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This content is for educational purposes and is not medical advice. Genetic results describe tendencies, not diagnoses. Talk with a qualified healthcare professional before making changes to your health care.