Evidence-based nutrition guidance
Trusted recommendations and practice tools dietitians can use to deliver nutrition care with confidence.
- Peer-reviewed summaries
- Transparent grading of evidence
- Practical tools for rapid use
What you'll find
What's New
Discover the latest Knowledge Pathway content, what is in development and New Tools & Resources.
Knowledge Pathways
Structured learning pathways organized by practice categories and health conditions.
Trending Topics
Stay current with the latest nutrition research and emerging practice trends.
Client Handouts
Ready-to-use handouts in plain language covering a wide range of nutrition topics.
What is PEN?
The PEN System is a powerful database delivering evidence-based answers to your practice-based questions.
Learn morePEN Access Options
We offer a variety of license types to meet your needs.
Learn morePEN is Global
Universities, dietetic associations and nutrition professionals around the world use the PEN System.
Learn more