Gloved hands handling a sample swab

How Does a DNA Test Work?

How Does a DNA Test Work? A Simple Guide to Process, Privacy and Results

A DNA test sounds more complex than it is.

In reality, it is a simple at-home cheek swab designed to make personalised health insight easy to access. No clinic visit, no blood draw, and no complicated process.

How the test works

You are sent a home kit with clear instructions. You avoid food and drink for one hour, swab the inside of your cheek, place the sample into the tube provided, and send it back with the consent form. Results are usually ready around two weeks after the sample is received. The same sample can then be used to generate additional reports if needed.

What the test is actually looking at

This is not an ancestry test, a full genome sequence, or a diagnostic test for disease. It is a targeted nutrigenomics analysis focused on clinically relevant genetic variants, known as SNPs, that influence how your body handles nutrients, blood sugar, hormones, methylation, detoxification, inflammation, sleep, energy production, metabolism, and nervous system balance.

Lifecode Gx Genotype Analysis N…

That is what makes it useful. Rather than overwhelming you with raw genetic data, it looks at the actionable pathways most relevant to everyday health decisions, the areas that can meaningfully shape food, lifestyle, supplement, and preventative health strategies. The wider nutrigenomics field is built on the study of common SNP variation and how these small but important differences influence biological function and response.

Scientist looking through a microscope

Is my data secure and private?

Yes. Your sample is processed in an ISO-certified UK laboratory, barcoded on receipt so personal identification is removed, and used only to create your report. It is never shared or sold to third parties; samples are destroyed after 3 months and genotyping data is fully destroyed by 6 months. 

Can children be tested?

Yes. Children can be tested at any age with parent or guardian consent.

What happens after the results come back?

This is where the real value begins. Genetic testing can reveal clinically relevant, actionable pathways, but without expert interpretation, it is simply information. The results need to be read in the context of your symptoms, history, nutrition, lifestyle, and priorities to create recommendations that are precise, relevant, and genuinely useful.

Chetnas’ specialism is turning complex genomics into clear direction. I interpret the findings through a functional nutrition lens, prioritise what matters most, and build a personalised strategy around the pathways most relevant to your health, from fatigue, hormones, and weight to nervous system balance, detoxification, cognition, and long-term prevention.

In simple terms

The process is straightforward:

  1. Take your sample at home
    A discreet, simple cheek swab completed in minutes.

  2. Your kit is returned for specialist analysis
    Processed in an ISO-certified UK laboratory with secure handling throughout.

  3. Your results are translated into a personalised report
    Highlighting the genetic pathways most relevant to your health and wellbeing.

  4. Your insights become a tailored strategy
    Interpreted through expert consultation to guide smarter nutrition, lifestyle, and supplement decisions.

Ready to see how simple it is?
Find out how to take a test

Gloved hands handling a sample swab

How Does a DNA Test Work?

How Does a DNA Test Work? A Simple Guide to Process, Privacy and Results

A DNA test sounds more complex than it is.

In reality, it is a simple at-home cheek swab designed to make personalised health insight easy to access. No clinic visit, no blood draw, and no complicated process.

How the test works

You are sent a home kit with clear instructions. You avoid food and drink for one hour, swab the inside of your cheek, place the sample into the tube provided, and send it back with the consent form. Results are usually ready around two weeks after the sample is received. The same sample can then be used to generate additional reports if needed.

What the test is actually looking at

This is not an ancestry test, a full genome sequence, or a diagnostic test for disease. It is a targeted nutrigenomics analysis focused on clinically relevant genetic variants, known as SNPs, that influence how your body handles nutrients, blood sugar, hormones, methylation, detoxification, inflammation, sleep, energy production, metabolism, and nervous system balance.

Lifecode Gx Genotype Analysis N…

That is what makes it useful. Rather than overwhelming you with raw genetic data, it looks at the actionable pathways most relevant to everyday health decisions, the areas that can meaningfully shape food, lifestyle, supplement, and preventative health strategies. The wider nutrigenomics field is built on the study of common SNP variation and how these small but important differences influence biological function and response.

Is my data secure and private?

Yes. Your sample is processed in an ISO-certified UK laboratory, barcoded on receipt so personal identification is removed, and used only to create your report. It is never shared or sold to third parties; samples are destroyed after 3 months and genotyping data is fully destroyed by 6 months. 

Can children be tested?

Yes. Children can be tested at any age with parent or guardian consent.

What happens after the results come back?

This is where the real value begins. Genetic testing can reveal clinically relevant, actionable pathways, but without expert interpretation, it is simply information. The results need to be read in the context of your symptoms, history, nutrition, lifestyle, and priorities to create recommendations that are precise, relevant, and genuinely useful.

Chetnas’ specialism is turning complex genomics into clear direction. I interpret the findings through a functional nutrition lens, prioritise what matters most, and build a personalised strategy around the pathways most relevant to your health, from fatigue, hormones, and weight to nervous system balance, detoxification, cognition, and long-term prevention.

In simple terms

The process is straightforward:

  1. Take your sample at home
    A discreet, simple cheek swab completed in minutes.

  2. Your kit is returned for specialist analysis
    Processed in an ISO-certified UK laboratory with secure handling throughout.

  3. Your results are translated into a personalised report
    Highlighting the genetic pathways most relevant to your health and wellbeing.

  4. Your insights become a tailored strategy
    Interpreted through expert consultation to guide smarter nutrition, lifestyle, and supplement decisions.

Ready to see how simple it is?
Find out how to take a test

Gloved hands handling a sample swab

How Does a DNA Test Work?

How Does a DNA Test Work? A Simple Guide to Process, Privacy and Results

A DNA test sounds more complex than it is.

In reality, it is a simple at-home cheek swab designed to make personalised health insight easy to access. No clinic visit, no blood draw, and no complicated process.

How the test works

You are sent a home kit with clear instructions. You avoid food and drink for one hour, swab the inside of your cheek, place the sample into the tube provided, and send it back with the consent form. Results are usually ready around two weeks after the sample is received. The same sample can then be used to generate additional reports if needed.

What the test is actually looking at

This is not an ancestry test, a full genome sequence, or a diagnostic test for disease. It is a targeted nutrigenomics analysis focused on clinically relevant genetic variants, known as SNPs, that influence how your body handles nutrients, blood sugar, hormones, methylation, detoxification, inflammation, sleep, energy production, metabolism, and nervous system balance.

Lifecode Gx Genotype Analysis N…

That is what makes it useful. Rather than overwhelming you with raw genetic data, it looks at the actionable pathways most relevant to everyday health decisions, the areas that can meaningfully shape food, lifestyle, supplement, and preventative health strategies. The wider nutrigenomics field is built on the study of common SNP variation and how these small but important differences influence biological function and response.

Is my data secure and private?

Yes. Your sample is processed in an ISO-certified UK laboratory, barcoded on receipt so personal identification is removed, and used only to create your report. It is never shared or sold to third parties; samples are destroyed after 3 months and genotyping data is fully destroyed by 6 months. 

Can children be tested?

Yes. Children can be tested at any age with parent or guardian consent.

What happens after the results come back?

This is where the real value begins. Genetic testing can reveal clinically relevant, actionable pathways, but without expert interpretation, it is simply information. The results need to be read in the context of your symptoms, history, nutrition, lifestyle, and priorities to create recommendations that are precise, relevant, and genuinely useful.

Chetnas’ specialism is turning complex genomics into clear direction. I interpret the findings through a functional nutrition lens, prioritise what matters most, and build a personalised strategy around the pathways most relevant to your health, from fatigue, hormones, and weight to nervous system balance, detoxification, cognition, and long-term prevention.

In simple terms

The process is straightforward:

  1. Take your sample at home
    A discreet, simple cheek swab completed in minutes.

  2. Your kit is returned for specialist analysis
    Processed in an ISO-certified UK laboratory with secure handling throughout.

  3. Your results are translated into a personalised report
    Highlighting the genetic pathways most relevant to your health and wellbeing.

  4. Your insights become a tailored strategy
    Interpreted through expert consultation to guide smarter nutrition, lifestyle, and supplement decisions.

Ready to see how simple it is?
Find out how to take a test

Your Health Blueprint

YourBiologyIsUnique.YourHealthApproachShouldBeToo.

YourBiologyIsUnique.YourHealthApproachShouldBeToo.

Discoverhowadvancednutrigenomicanalysiscanhelpuncovertheinsightsbehindyourenergy,nutrition,wellbeingandlong-termhealth,andtransformthemintopersonalisedrecommendationsyoucanactonwithconfidence.

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Lifecode GX Nutrigenomics Practitioner Programme 2025 completed
Complementary and Natural Healthcare Council accredited register
College of Naturopathic Medicine qualified nutritional therapist
Association of Naturopathic Practitioners

The Blueprint

A practitioner-led newsletter for those who want clear, science-backed insight on DNA, nutrition, sleep, stress, detoxification, and the everyday factors that shape lifelong wellbeing, for you and your family.