Frequently Asked Questions

Nutrition Evidence is the UK’s first open-access, curated research database dedicated to nutrition and lifestyle medicine. Developed to support evidence-informed practice, it provides practitioners, clinicians, and researchers with streamlined access to peer-reviewed studies, expert reviews, plain language summaries, and other value-added content, categorised by clinically relevant filters.

NED is designed for:

The NED Editorial Board maintain a search string focusing on human, top quality nutrition and lifestyle medicine research. This is run on PubMed every 24 hours, with search results brought onto the NED platform. This ensures that NED is always offering the latest research available.

The NED Editorial Board is also able to add new research to NED not available on PubMed, that fits the nutrition and lifestyle medicine and quality criteria

Unlike traditional databases, NED offers:

Example: curcumin AND inflammation NOT arthritis

Yes. The left-hand sidebar provides filters to narrow down your results by content type, clinical relevance, lab testing, and more.

You can refine your searches using category filters such as:

Every month, the NED Editorial Board selects newly released articles for expert review by the expert panel. These include:

Each expert review is drafted by a member of the panel, who all have advanced degrees. Each review then goes through a rigorous peer-review process by a member of the Editorial Board before loading to NED.

As well as the expert reviews, some specially selected journal articles are enriched with:

Look for the Plain Language Summary button in search results, or use the Expert Opinion filter to display only enhanced content.

It’s a quality rating (0–5) for RCTs based on methodological rigour—randomisation, blinding, and dropout handling. Higher scores indicate higher-quality evidence.

It’s a method to prevent selection bias in RCTs by concealing the allocation sequence from those enrolling participants. Examples include sealed envelopes or coded containers.

‘Ask AI’ is an AI-powered search assistant that:

The tool is designed to help users quickly explore clinical topics, identify key papers, and understand the state of the evidence.

Yes. Ask AI is currently free and available to all users without limitation. Usage policies may change if demand becomes high.

AI summaries are based only on peer-reviewed journal articles indexed on the NED platform. However:

Disclaimer: All AI-generated content must be verified and subjected to critical thinking and analysis.

Users are responsible for interpreting and verifying content. Limitations may include:

Always cross-reference AI output with the full-text articles.

Yes. AI is also used to generate the Plain Language Summaries (PLS) of selected papers. These summaries are:

Please report inaccuracies by emailing [email protected] with the URL and a short explanation.

Yes. The entire site, including its search tools, ‘Ask AI’ feature, enhanced articles, and value-added content, is currently open-access and free to all users.

No account is required to search and browse. However, registering for a free account unlocks several additional features:

Yes. You can subscribe to the Monthly NED Alert, which highlights newly enhanced expert reviews and indexed papers on a selected theme.

There is no app, but the website is fully optimised for use on mobile and tablet devices.

Yes! NED is developing a library of short video tutorials, including:

Absolutely. For general comments or technical support, email:
📧 Clare Grundel, NED Managing Editor – [email protected]

For editorial enquiries or expert content questions:
📧 Dr. Justin Roberts, Editor-in-Chief – [email protected]