The PEN system summarises the entire nutrition and dietetic evidence-base on more than 190 nutrition and dietetic-related topics, and provides guidance that supports your everyday practice, helping to keep you up-to-date with the fast-paced world of dietetics.

ADSA membership provides unlimited access to PEN

(which would otherwise cost an individual R 5 000 per year).

For questions about PEN, contact ADSA Membership


The PEN System provides nutrition practitioners with ready access to timely, current and authoritative guidance on food and nutrition. It offers evidence-based answers to the questions encountered in every day practice.

The PEN System’s powerful search tools and Knowledge Pathway format make it easy to use – whether you’re pressed for time and looking for a quick answer, or you want to review the evidence in more depth. Standard Knowledge Pathway tools include Practice Questions, Backgrounds, Evidence Summaries and Practice Guidance Toolkits, as well as client and professional Tools and Resources, including Client Handouts.

The PEN System addresses the broad spectrum of practice in dietetics, food and nutrition including:

  • institutional heath care
  • primary health care
  • public/community health
  • consulting/private practice
  • food service management
  • professional education
  • food and the pharmaceutical industries
  • government.


If you haven’t joined PEN yet, find out how to get started by accessing the PEN orientation pack. This includes links to four short orientation modules on the features available and how to make the most of PEN.

View these short video tutorials and tours to help you navigate some of the key features of the PEN system:


This is a bimonthly e-newsletter shared with the global PEN Community and created to help dietitians position themselves as leaders in evidence-based nutrition practice. In addition, users of the PEN System will find articles on the new evidence, resources and features available and how to maximize one’s use of PEN.

Access previous issues here:


Contribute to PEN by writing, updating or reviewing content. To become a PEN Reviewer or Author:


If you have a practice question or a practice topic that you would like the PEN Team to consider including, please submit it using the standard submission form provided:

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