As one of South Africa’s premier genetic testing laboratories, DNAlysis offers an innovative approach to genetic testing. These industry-leading methods provide medical practitioners and patients with uniquely personalised treatments.

The personalised medicine approach to healthcare will allow for more precise, predictable and preventive health care that is customised for the individual patient.

Highly trained medical practitioners use a range of DNA tests to gain a greater understanding of what patients need for optimal health and nutrition and which cover a spectrum of genetic qualities, including:

  • Weight Management
  • Chronic disease risk management
  • Cognitive health and mood disorders
  • Athletic performance and recovery requirements from high-intensity exercise.

DNAlysis products and services are distributed worldwide by Nordic Laboratories and are available globally.


Danny Meyersfield



Dr Daniel Meyersfeld completed his PhD in molecular biology at the University of the Witwatersrand, South Africa, in 2005. During his studies, he saw an opportunity to use recent advances in the field of human genetics to improve people’s health and wellness and established DNAlysis Biotechnology in 2007. The company is now recognized as a global leader in the field of biotechnology, with an established practitioner following in South Africa, Scandinavia, Europe, Far East, Middle East and the USA.

Helen de Beer



Helen de Beer graduated from Stellenbosch University with a BSc in dietetics in 2007. After working in private practice for a few years, she went on to complete a marketing management diploma through the University of Cape Town. Helen has a special interest in functional nutrition and nutrigenomics and has keenly been growing her knowledge in these fields. As the client relationship manager at DNAlysis, Helen is passionate about passing her nutrigenomics knowledge onto like-minded healthcare practitioners.



BSc in Human Physiology and Psychology | Biomedical Technology

Lab Technologist at DNAlysis responsible for processing of samples, analysis and reporting of results to meet the requirements of ISO15189:2012, and the Health and Safety Officer, ensuring that GLP is maintained and undertaking of risk assessments. Graduated from the University Of Johannesburg with a BSc in Human Physiology and Psychology(2012) and a Diploma in Biomedical Technology(2015), Board Certified In Cytogenetics.



MSc (Med) Molecular Medicine and Hematology

Theunusha graduated from the University of Witwatersrand in 2010 with an MSc Med in Molecular Medicine and Hematology. Theunusha held a Polio Myelitis Research Foundation (PFR) and DAAD bursary for two years of master’s in science (Molecular Medicine) and received the Golden Key Award for masters of science in Medicine in 2011.

Thenusha is the Laboratory Manager at DNAlysis Biotechnology.



MSc (Med) Human Genetics

Sasha Mannion graduated from the University of Cape Town in 2014 with an MSc Med in Human Genetics. Her dissertation focused on the genetic predisposition to sporting injuries which along with optimizing sports performance, remains a key area of interest for her.



Diploma in Frontline Business Skills

Ginah has a Diploma in Frontline Business Skills from Damelin School of Banking. She worked in administration from 2003. She is currently a Data Capturer at DNAlysis, providing a comprehensive secretarial and administrative service.



Biomedical Technology | Cytogenetics

Medical Technologist at DNAlysis responsible for stock control, processing of samples, analysis and reporting of results to meet the requirements of ISO15189:2012. Graduated from Nelson Mandela Metropolitan University with a Diploma in Biomedical Technology(2013), HPCSA registered in Cytogenetics.



MSc Med in Chemical Pathology

Product Manager for Medcheck, responsible for the Sales and Marketing of this test. Over 8 years of experience across pharmaceutical Sales, Product Management and Business Development. Graduated from the University of the Witwatersrand in 2015 with an MSc Med in Chemical Pathology. The dissertation focused on the genetic basis of Lipodystrophy in HIV positive patients receiving anti-retroviral therapy.




Karen graduated with a Bachelors in Dietetics from the University of Pretoria and worked in the pharmaceutical industry for many years. She then went back to her nutrition routes and worked with functional medical practitioners. Karen started with DNAlysis in 2017 focusing on promoting Medcheck with Psychiatrists and Physicians and is now focusing on supporting our nutrigenomics practitioners in the field.


Communications and International Relations

Noni graduated with a degree in Communications and an honours in International Relations from the University of Johannesburg, after a few years she went and completed certificates in Project Management and in English with Wits University, she‘s currently completing a master’s in international Relations with working experience in internal communications and client service, she joined DNAlysis in 2018 as an Office Manager.



Pharmaceutical Sciences | Biomedical Technology

Currently a Medical Laboratory Technologist at DNAlysis responsible for processing of samples, analysis and reporting of results to meet the requirements of the ISO15189:2012 standards. Graduated from Tshwane University of Technology Cum Laude in National Diploma Biomedical Technology. Also hold a Baccalaureus Technologiae (BTech) in Pharmaceutical Sciences and a BTech in Biomedical Technology. Registered with HPCSA and SMLTSA.



Quality Manager

Quality Manager at DNAlysis responsible for maintaining Quality Management System to meet requirements of ISO 15189:2012 to ensure continued customer satisfaction. Over 10 years’ experience as Quality Manager and mentoring of Medical Laboratories in implementing Quality Management Systems. Diploma in Medical Laboratory Technology and Laboratory Systems and Internal Auditing courses from SANAS/SADCAS for ISO/IEC 17025:2005 and ISO 15189:2012 standards.



Office administration

General clerical duties including filing of all administration paperwork including consent forms,Retrieve documents from filing system if required. Handle or transfer general enquiries. Upload and email of reports to practitioners. Has over 10 years experience in courier industry and office administration.



Office administration

General clerical duties including filing of all administration paperwork including consent forms,Retrieve documents from filing system if required. Handle or transfer general enquiries. Upload and email of reports to practitioners. Has over 10 years experience in courier industry and office administration.



To ensure that we at DNAlysis consistently deliver the best service that is always in the best interests of the patient, and to continually push the possibilities of personalised gene-based medicine, we have an advisory board comprised of accomplished functional medicine, nutrition  and nutrigenomics experts offering innovative advice and dynamic perspectives. Our advisory board provides scientific input and continually assesses our products and service offering to ensure that we remain at the cutting edge of developments in the field. Their roles and responsibilities include:



Professor van Schaik is a specialist in Laboratory medicine and a Full Professor of Pharmacogenetics . He is Director of the International Reference Center for Pharmacogenetics and he leads the Research & Development Unit of the Dept. Clinical Chemistry at Erasmus University Medical Center in The Netherlands.

His research focuses on clinical implementation of Pharmacogenetics. Specific targets are Transplantation / immunosuppression, Oncology, Pain, Psychiatry, HIV and Anticoagulation. He has published over 175 articles in this field and has participated in research grants with a total value of over €8 million.

Prof van Schaik has given over 200 invited lectures and participates on multiple national and international advisory committees on pharmacogenetics In 2001, he received the Ortho Clinical Diagnostics Award for Outstanding Research, in 2009 the AACC Outstanding Speaker Award, and in 2010 the AACC/Mol Pathology Award for Outstanding Scientific Research.


Claire Julsing Strydom is a registered dietitian and co-founder of Nutrition Solutions, one of the largest dietetics practices in South Africa. She is the past president of the Association for Dietetics in South Africa She completed her Master of Science Degree in Dietetics through the University of the Free State.

She has presented nutrition educational content to health professionals both locally and internationally and has developed and implemented interactive nutrition education initiatives for various schools including the Oprah Winfrey Leadership Academy.

She consults to the food and pharmaceutical industries and regularly contributes to magazine publications and has been hosted on a number of health-related television and radio shows. She is registered with the Health Professional Council of South Africa (HPCSA) and is a member of the Association for Dietetics in South Africa (ADSA) and the Academy of Nutrition and Dietetics in the USA.



Ian Craig is an exercise physiologist, nutritional therapist, neuro-linguistic programming practitioner and an endurance coach. Ian specialises in Functional Sports Nutrition (FSN), a fast-evolving discipline that considers both health and performance of an athlete from an integrative health perspective. Ian is the editor of Functional Sports Nutrition magazine and developed the Middlesex University ‘Personalised Sports Nutrition’ postgraduate course and FSN Academy.

In South Africa, he is a consultant for genetics company DNAlysis Biotechnology and runs a private exercise and nutrition practice in Johannesburg.


Dr Grant Fourie qualified as a medical doctor from the University of Pretoria, South Africa, in 1995. He spent 2 years spent in the UK in the specialities of Trauma Medicine, Orthopaedic surgery and ENT, after which he returned to South Africa.

In a world that has become so focussed on specialist medicine, and in which the GP is seen as some sort of a ‘minor illness’ or referral doctor, he realised that the general family practitioner was perfectly suited to practice functional and integrative health and could have the greatest impact of his patients quality and quantity of life of any doctor. Dr Fourie now runs a Functional Medicine practice in Cape Town.