Genetic analysis: three examinations that share the same name

What to expect in this article

1. Three meanings behind one word
2. What the Genetic Diagnostics Act regulates
3. The medical genetic examination
4. The paternity test
5. Lifestyle analysis and where this shop stands
6. What technically happens in the laboratory
7. The journey from saliva to report
8. What happens to your genetic data
9. The three fields side by side
10. Which test belongs in this third field
11. Who a lifestyle analysis is suitable for—and who it is not
12. Limits: what no genetic analysis can answer
13. What matters about this term
Frequently asked questions
Sources

Three meanings behind one word

People who type “genetic analysis” into a search engine may mean very different things. One person has a disease in their family and wants to know whether they could be affected themselves. A second wants to clarify whether a child is descended from them. A third has tried three diets and wonders whether their body actually functions the way the guidebook describes.

These are three questions, three procedures, and three sets of regulations. In everyday life, they all bear the same name, and that is precisely what causes most misunderstandings surrounding this topic.

The following overview shows the three fields in the order in which this article discusses them. It provides the framework for everything that follows.

This classification is not a label that can be assigned at will. It determines who is allowed to offer the examination at all, what must happen beforehand, and what statement is ultimately permissible.

Why the confusion is costly

Someone who buys a lifestyle analysis and expects a medical answer will be disappointed. Conversely, anyone who believes that a physician-ordered examination is the same as an over-the-counter saliva test underestimates how much information and counseling are required there—and why these requirements exist.

A provider that blurs this distinction to make its own offering appear more extensive is making the most damaging mistake possible in this field. That is why this article begins with the distinction rather than the product.

What the Genetic Diagnostics Act regulates

In Germany, there is a separate law governing genetic examinations in humans: the Genetic Diagnostics Act, or GenDG for short. It is the reason why the first two fields are treated differently from the third.

The law includes its own commission. It is called the Genetic Diagnostics Commission, abbreviated GEKO, and is based at the Robert Koch Institute. The Federal Ministry of Health describes it in its definition as follows:

Eighteen experts appointed by law for a single field. That is a considerable effort, and it says something about how seriously the legislature takes the matter. According to the same definition, the Commission develops “guidelines pursuant to Section 23 of the Genetic Diagnostics Act (GenDG) with reference to the generally accepted state of scientific and technical knowledge” (Federal Ministry of Health, as of July 29, 2026).

What the Commission writes guidelines for

The Robert Koch Institute lists on its page about the commission what it concerns: assessing genetic characteristics in medical contexts, qualifications for certain activities under the law, the content of information and genetic counseling, conducting genetic analyses, prenatal risk assessment, and genetic screening programs (Robert Koch Institute, Genetic Diagnostics Commission, as of July 11, 2023).

Read this list again. It deals throughout with medicine, prenatal matters, medications, and counseling. Not a single point concerns whether someone tolerates more fat or more carbohydrates. That is the boundary this article is about—and it is set not by an advertising claim, but in the mandate of a government commission.

The legislature established a separate commission for genetic tests for medical purposes. It did not do so for lifestyle analyses. Anyone who calls both “genetic analysis” is using one word for two worlds.

Medical genetic testing

The first area has the strictest rules. It covers everything in which a genetic characteristic is connected with a disease, a disability, or the effect of a medication.

The reason is almost always specific. The same symptoms occur across several generations of a family. A diagnosis has been made, but the cause remains unclear. A medication affects one person differently than expected. Someone wants to have children, and there is a reason for caution.

Who initiates this test

Genetic tests for medical purposes are medical examinations. They begin with a consultation at a medical practice or a human genetics facility, not with an order. The test is preceded by information, the content of which the German Commission on Genetic Testing established in a separate guideline—published in the Federal Health Gazette, volume 65, pages 963 to 968, in 2022.

The difference from a purchased test is therefore not a matter of degree. In one case, an information session is a prerequisite for the test to be allowed to take place. In the other, you put a saliva sample in an envelope.

Why predictive tests also involve additional counseling

Predictive tests play a special role. These are tests that make a statement about a disease that has not yet developed. In addition to being informed, people undergoing them are also to receive genetic counseling, and the German Commission on Genetic Testing has issued a separate guideline for this as well, most recently in the version dated December 6, 2023.

The reason is not bureaucracy. Such a result cannot be taken back. It also never affects just one person, but always siblings, parents, and children who knew nothing about the test. That is precisely why this result needs a person to put it into context, not a text snippet in a customer account.

What such a test costs

This article deliberately does not give a figure here. There is no single amount, published by any institution, that applies to every case involving the cost of a human genetic test or genetic counseling. The amount depends on the reason, the scope of the test, the insured person’s status, and whether there is a medical indication.

A figure here would therefore either be estimated or taken out of context. Both are worse than the honest clarification: the practice arranging the examination will clarify this question with you beforehand. The cost of a test from the shop’s own range, on the other hand, is given further below—that is a figure this shop stands behind.

The ancestry examination

The second field is the one most people think of first when they think of a genetic test: the paternity test. It too falls under the Genetic Diagnostics Act, and there are guidelines from the Genetic Diagnostics Commission for it as well.

The most recent of these concerns the information provided. It was published in the Federal Health Gazette, volume 68, pages 954 to 959, in 2025, and specifies what must be discussed before a genetic examination to clarify ancestry. The fact that such a guideline exists at all is already the answer to the most common question in this field.

Why there is no secret option

An ancestry examination requires the consent of every person being examined. For children, the legal guardians decide. Consent must be preceded by information about the nature, scope, and evidentiary value of the examination.

This means that a hair root sent in secretly or a cheek swab taken from the other person without their knowledge is not a borderline case, but outside what the law allows. An expert report produced in this way does not help anyone either: it will not stand up in court, and it has already damaged the relationship that is actually at stake.

Two persistent misconceptions

You regularly hear the following two statements in consultations and read them in forums. Both are wrong, and both lead to the wrong purchasing decision.

Widespread versus documented

The second misconception has more serious consequences. It leads people to buy a lifestyle analysis and then be disappointed because it does not say what they expected. That is exactly what the next chapter is about: what is actually included in this third field.

The Lifestyle Analysis and Where This Shop Stands

The third field is where mybody®x (MYBODY Lab GmbH) operates. And because this article describes the boundaries of the other two fields so precisely, it is appropriate to make an equally precise statement about its own offering here.

A saliva-based lifestyle analysis is not medical diagnostics. It does not diagnose, predict illness, or replace a medical examination. It describes genetic traits related to nutrition, exercise, sleep, recovery, and skincare, and translates them into recommendations for everyday life.

What Can Meaningfully Be Asked in This Field

The questions that belong here sound different from medical questions. Does my body process carbohydrates differently from average? Is my satiety signal less pronounced? Do I break down caffeine slowly or quickly? Does my predisposition point more toward endurance or strength training?

These questions concern suitability, not illness. The answer is a point of reference for shaping everyday life, not a medical finding. It does not change who you are; instead, it explains why some things require more effort from you than from others.

The product page itself puts it this way: “instead of outdated diet promises, you receive motivating recommendations” (Longevity ALL IN ONE DNA Test product page, accessed on 27 August 2026). That is the right tone for this field, and this article maintains it.

What This Article Does Not Cover

This text is the definitional article for the topic area. It classifies the term and distinguishes the three fields. It therefore deliberately does not address four related questions itself. How gene activity is regulated in general is explained in What Is Epigenetics. What determines the price of a test is explained in Genetic Test Costs. How long the individual sections take is covered in How Long Does a DNA Test Take. And what applying it specifically to nutrition can achieve is explained in DNA Test Nutrition.

What happens technically in the laboratory

There is a legal difference between the three fields. There is also a technical one, and it is rarely explained, even though it would resolve most misunderstandings.

A lifestyle analysis does not read the entire genetic material. It uses SNP genotyping. An SNP is a single position in the genetic material at which people regularly differ. Genotyping means that the positions to be examined are predetermined, and precisely those positions are read.

This is different from sequencing the entire genome, in which the genetic material is read along its full length. The difference is not a marketing detail. It determines which statements are possible at all.

Why positions do not amount to a diagnosis

A saliva test reads positions, not diseases. What is found at a position is a sequence of letters. What it means emerges only from studies in which that position has occurred together with a characteristic in many people. Such studies describe frequencies in groups, not the fate of individual people.

This leads to a rule that should appear in every reputable text on the subject: A predisposition is not a determination. A characteristic that occurs more frequently together with something in a group provides only an indication about the individual person reading the report.

The U.S. National Library of Medicine clearly describes the difference between the testing pathways in its MedlinePlus Genetics portal: Tests ordered through a medical professional are called “clinical genetic testing,” while tests sold directly to consumers are treated as a separate category, whose results generally need to be medically reviewed before a diagnosis or treatment decision is made (as of June 2, 2026).

Why a result remains valid for life

The sequence of letters at the positions examined does not change over the course of a person’s life. That is why such an analysis is performed once and not repeated. What changes is the state of knowledge: New studies on individual positions are published continuously.

It may seem reasonable to object that a result would then become outdated. The opposite is true. Your result remains the same; only the knowledge about it grows. A report that is expanded later does not change the measurement, but what can be learned from it.

From saliva to report

In the third field, the process takes place without an appointment at a medical practice. It has four sections, and the two time estimates are stated separately because they mean different things: the time until the kit arrives and the time spent in the laboratory after your sample arrives.

Four sections

Anyone who wants to know the total duration should not simply add the two figures. Between sections two and three, there is the return journey by post to the laboratory, which depends on when you send in the sample. A single total figure would therefore conceal something.

What happens to your genetic data

Genetic data is sensitive data. It describes you and, to some extent, your relatives as well. Unlike a password, it cannot be changed. That is why what happens to it is not a secondary question.

The General Data Protection Regulation applies in the third field. The sample is processed under a pseudonym: in the laboratory, it is identified by a code, not your name. The link between the two is stored separately. At mybody®x, the saliva sample and DNA sequence are destroyed two months after the analysis.

Why the right not to know is part of it

In the first field, there is one idea that also applies to the third: the right not to learn a result. It is part of the right to informational self-determination on which the Genetic Diagnostics Act is based.

In practical terms, a lifestyle analysis means that you decide which chapters of the report you read and which you do not. You also decide whether to share the results with anyone. A provider who pressures you to share them has missed the point.

The three fields side by side

Up to this point, each field stood on its own. The following overview places them side by side according to the same five questions. It is the core of this article in table form.

The last row is the crucial one. It explains why the first two columns contain so many regulations and the third so few—and why a provider in the third column is well advised to draw the boundary itself rather than wait for someone else to draw it.

Which test belongs in this third field here

After nine chapters of differentiation, we now come to the section in which our own offering appears. It is deliberately kept brief and also states what the test does not do.

The broadest test in the range is the Longevity ALL IN ONE DNA test. It covers nutrition, fitness, metabolism, and skin care in a single saliva test. All information in the following card comes from the product page, accessed 27 August 2026; the processing times follow the central specification for DNA tests.

DNA test from saliva

Longevity ALL IN ONE DNA Test

According to the product page, analyzes more than 170 genetic variants and combines nutrition, fitness, metabolism, and skin care in a single report. What the test does not do: It is not a genetic examination for medical purposes, does not provide a diagnosis, does not predict diseases, and does not determine ancestry. It does not replace a human genetic examination or genetic counseling. No report number is given here deliberately: As of 27 August 2026, the product page listed two different numbers side by side.

Price €369.00 As of 27 August 2026, subject to change

Sample type Saliva sample, once in a lifetime

Processing time Kit shipping 1–3 business days
Laboratory analysis 15–25 business days after receipt of the sample

Laboratory Specialist laboratory of MYBODY Lab GmbH
Product page information, accessed 27 August 2026; reproduced here without location and certification information because both are documented inconsistently in our own inventory

About the Longevity ALL IN ONE DNA Test

Two details are intentionally missing from this overview. The number of reports is omitted because the product page gives conflicting figures for it. The certifications mentioned on the product page are also omitted because the laboratory location is not documented consistently in our own knowledge base. A detail that cannot be verified conclusively does not belong in an article that spends an entire other chapter discussing evidence.

Who a Lifestyle Analysis Is Suitable For—and Who It Is Not

The most honest answer to the question of whether such a test is worthwhile depends on what question someone brings to it. There are questions it suits, and there are questions it explicitly does not suit.

When it fits the question

It is suitable if you want to know why certain things work differently for you than described in the guidebooks. If you have tried several dietary approaches and are looking for a starting point rather than guessing at the next method. If you want to tailor your training plan to your predisposition rather than to an average value.

It is also suitable if you treat the results as an indication rather than a verdict. Anyone who knows that their feeling of fullness is genetically less pronounced finally understands why portion control requires more effort from them than from others—and can deliberately choose strategies that target precisely that issue, instead of blaming themselves for a lack of discipline.

When it is the wrong answer to your question

It is the wrong choice if a particular condition occurs frequently in your family and you want to know where you stand. That is the first field, and in that case the conversation belongs in a medical or human genetics facility, with explanation and counseling.

It is also the wrong choice if you want to establish a biological relationship. That is a separate field, with its own rules, specific counseling, and the consent of everyone involved. And it is the wrong choice if you are currently experiencing acute symptoms. In that case, the right order is: get them evaluated first, then optimize.

The third reason for exclusion is less obvious. If you hope the results will make the decision for you, the report will disappoint you. We provide the data. What you do with it is up to you.

Limitations: What Genetic Analysis Cannot Answer

There are limits that run the same way across all three categories. They do not depend on the provider or the price, but on the nature of the matter.

The first: Genetic testing describes predisposition, not progression. What becomes of a predisposition depends on nutrition, exercise, sleep, the environment, and much more that no analysis captures.

The second: An analysis is only as good as the research behind it. There are many robust studies for some traits and few for others. A report that presents both with equal certainty overstates the evidence.

The third concerns only the third category: A lifestyle analysis does not measure anything about your current condition. It does not say what your levels are today. Anyone who wants to know their current status needs a blood test—that is a different test with a different meaning. DNA explains the why; blood shows the now.

And the fourth: No report replaces a medical evaluation. This is not fine print at the end, but the sentence from which the entire distinction in this article follows.

What matters about this word

It began with the observation that three very different people type the same word into the same search box. Anyone who has read this article this far can now say in one sentence which of the three questions is their own—and that is the real decision, not the choice between two providers.

In practical terms: Write down your question before ordering anything. If it concerns a disease or a predisposition to one, the route is through a medical practice, with information and, for predictive testing, counseling. If it concerns a biological relationship, the route is through an expert body and requires the consent of everyone involved. If it concerns nutrition, exercise, recovery, and care, then it belongs to the third category, where a saliva test is a sensible starting point.

There is one more thing to add that was not covered in any of the chapters above. This classification is not a one-time decision. It can change if your question changes—and then the right point of contact changes too. A report from the third category remains valid, but that does not suddenly make it a finding from the first.

If you are not sure which category your question belongs to: The consultation is free, and it will not try to sell you anything.

Frequently asked questions

Sources

1. Federal Ministry of Health: definition of “Genetic Testing Commission (GEKO),” as of July 29, 2026 – bundesgesundheitsministerium.de
2. Robert Koch Institute: Genetic Testing Commission (GEKO), overview of its composition and tasks, as of July 11, 2023 – rki.de
3. Genetic Diagnostics Commission (GEKO): Guideline on the requirements for the content of information pursuant to Section 23 (2) no. 3 of the Genetic Diagnostics Act for genetic examinations to clarify ancestry. Federal Health Gazette – Health Research – Health Protection 68, pages 954–959 (2025) – link.springer.com
4. U.S. National Library of Medicine, MedlinePlus Genetics: What is direct-to-consumer genetic testing? As of 06/02/2026 – medlineplus.gov

The verbatim quotation concerning the composition of the Genetic Diagnostics Commission, the reference to the 13 members and two experts and three representatives, the reference to Section 23 of the Genetic Diagnostics Act, and its affiliation with the Robert Koch Institute are taken from source [1]. The Commission’s list of duties is taken from [2]: assessment of genetic characteristics in medical contexts, qualification requirements, the content of information and genetic counseling, conducting genetic analyses, prenatal risk assessment, and genetic screening. The classification of ancestry testing under the Genetic Diagnostics Act and the source reference for the information guideline in Federal Health Gazette volume 68, pages 954 to 959, are taken from [3]; the source reference for the information guideline for genetic examinations for medical purposes, Federal Health Gazette volume 65, pages 963 to 968 from 2022, is from the same series. The distinction between tests ordered by physicians and those sold directly to consumers, and the statement that the latter are generally medically verified before a diagnosis or treatment decision, are taken from [4]. Information on price, sample type, scope, and laboratory comes from mybody®x’s product page, accessed on 08/27/2026; processing times follow the central standard for DNA tests. This article deliberately does not state a figure for the cost of a human genetic examination because no reliable figure applicable to all cases is available from an institution. All sources were accessed and reviewed on 08/27/2026.

mybody®x Editorial & Specialist Team

Nutrigenetics Laboratory diagnostics Nutritional science Data protection and sample pathways

This article was created by the mybody®x editorial and specialist team. The team combines nutrigenetics, laboratory diagnostics, and nutritional science. The people who contribute to it are listed on the authors page.

Published on 02/03/2026 · Last updated on 08/27/2026

DNA analysis is intended for nutritional and lifestyle counseling. It is not a diagnostic procedure, does not predict disease, and does not replace a medical examination or consultation. Genetic variants describe probabilities in population groups, not predetermined outcomes for individuals.