by Carmichael Training Systems

  • Overview
  • The science
  • Questions
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EnduranceDNA provides specific genetic insights and actionable recommendations for cyclists, triathletes, runners, and omnisport endurance athletes that will help you train more effectively, improve nutrition, and prevent injury.

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This includes a Helix DNA kit.

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Have you registered your Helix DNA kit? Once your DNA has been sequenced by Helix, your don't need another DNA kit to use this product, which means you get a lower price.

DNA Insights

You will receive sport-specific insights and personalized recommendations for more than 20 different traits related to performance, injury risk, and nutrition.


You likely already know whether you enjoy endurance sports and if you work hard and smart, you can always continue to improve. You also probably realize some people are more ‘gifted’ than others. Find out if you have certain genetic variants that are similar to other elite endurance athletes.


How much sodium you lose is dependent on lots of factors, but for some individuals, low sodium levels can be due to DNA. Discover if you are more likely to have low sodium levels and use this information to optimize your hydration strategy.

Stress fracture

Stress fractures can take up to eight weeks to recover from and cause serious disruptions to training. Find out if you have an increased risk of stress fractures and take preventive measure to safeguard yourself from injury.

Caffeine metabolism

It turns out that the metabolism of caffeine is controlled by your genes, and different versions of the gene have different abilities when it comes to metabolizing the molecule. Learn how your body is likely to be affected by caffeine intake.

Improve Performance With Actionable Genetic Data

The personalized genetic insights you’ll discover will help you focus your training efforts and nutrition on the areas that will have the greatest impact on your fitness and health. Each trait will include actionable items specific to you and your sport. These insights can be applied to your training to enhance your performance, help you optimize nutrition, and reduce your risk of injury.    

Professional Coach Consultation

With your purchase of EnduranceDNA, you will receive a 30-minute consultation with a professional CTS Coach. Our team of coaches has the experience and knowledge to interpret your DNA results and help you understand how they affect you as an endurance athlete. They will also provide guidance and make personalized recommendations for your training and nutrition that will help you reach your athletic goals.  

The science

Your weight, sleep, performance, aging, and food sensitivities are determined by a combination of genetics, lifestyle choices (such as diet and exercise), and a number of other factors. Genetic variants related to these traits may help you understand yourself better, but they do not guarantee that you will or will not be successful with any given plan. Your genetic profile may help you narrow in on a plan that you might prefer or find more successful than others, or even give you a better understanding of your existing preferences. Everyone, regardless of their genetics, will benefit from healthy behaviors.


Genetics can help, but many other factors play a role in your weight, sleep, performance, aging, and food sensitivities.


  • This product will not provide any medical information.
  • Genetic results are based on population-wide studies. What is true at a population level average may not be true at an individual level.
  • Results may be more accurate for individuals of certain genetic backgrounds.
  • Our understanding of how genetics influence weight, sleep, performance, aging and food sensitivities will change over time.

How it works

Get access to the best and latest in DNA discovery. It takes just 3 simple steps.

Order and we’ll send a DNA kit to your home

Order EnduranceDNA and Helix sends you a DNA collection kit, which includes everything you need to get sequenced.

Provide a saliva sample and get sequenced

Register your DNA kit, provide a small saliva sample, and drop it in the mail using the provided pre-paid shipping box you get in your kit.

Receive your EnduranceDNA results

After Helix sequences your DNA from your saliva, you’ll get an email from CTS to view your results when they’re ready.

About Carmichael Training Systems

A pioneering company in the endurance coaching industry, CTS has improved the performance of more than 17,000 athletes over the past 16 years. Founded by renowned coach and author Chris Carmichael and home to more than 40 full-time, professional coaches, CTS provides personal coaching, training camps, and Endurance Bucket List experiences to athletes of all ability levels.

Have a question about this product?

Carmichael Training Systems

About Helix

Helix empowers everyone to explore what makes them unique—their DNA.

From health and wellness insights to family planning and ancestry information, Helix’s growing list of partners can tap into your genetic profile to provide relevant insights for today, tomorrow and years to come.

Have a question about ordering or sequencing?support@helix.com


  • Will there be someone who can help me interpret my results?

    Yes, with EnduranceDNA you will receive a 30-minute consultation with a professional CTS Coach who can walk you through your results. They will interpret what your variations mean and provide general guidance on how you can improve your training and nutrition based on your genetic information.

  • Does EnduranceDNA include a training plan or nutrition plan?

    No, EnduranceDNA does not come with a training or nutrition plan, however, the information included in your results will provide suggested actions you can take to improve your training, nutrition, and injury prevention.

  • Will my results tell me if I am a good athlete?

    No, your results will not determine your current fitness level or ability to improve performance.

  • Do I have to get sequenced to use this product?

    Yes. In order to use EnduranceDNA you need to be sequenced by Helix. To ensure the quality and accuracy of the genetic information used for this service, products in the Helix marketplace do not accept genetic data from outside sources. And, once you’ve been sequenced by Helix, you can purchase more DNA-powered products from a variety of categories like fitness, nutrition, entertainment, and more—all without having to get sequenced again.

  • How does Helix provide my DNA information to CTS? Is it shared with anyone else?

    Your DNA information is stored securely by Helix. When sequencing is complete, Helix only sends the relevant DNA information needed by CTS to generate your results. We do not share your DNA information with anyone without your permission. We always maintain high standards when it comes to the security and privacy of your DNA information.

  • How do I learn more about how CTS uses my information?

    You can learn more in the CTS Privacy PolicyTerms of Service, and Product Consent.

  • How do view my results?

    CTS will send you an email when your results are ready to be viewed online.