e-Library of Evidence for Nutrition Actions (eLENA)

Welcome to eLENA


The WHO e-Library of Evidence for Nutrition Actions (eLENA) is an online library of evidence-informed guidance for nutrition interventions.

eLENA is available in all six official languages of WHO. To view eLENA content in another language, click on the appropriate link at the top right of the web page, directly above the social media icons.

New nutrition actions

WHO /Christopher Black

08 November 2016 -- As part of eLENA's expanding catalogue of nutrition actions, the latest evidence and guidance is now available for the following interventions:

- Daily iron and folic acid supplementation in children and women
- IPTp to reduce the risk of malaria during pregnancy
- Deworming in pregnancy

and many more...

New feature linking interventions and WHO global targets


03 August 2016 -- eLENA has been updated with a new feature that provides users with a convenient way of identifying nutrition interventions which, when implemented, may contribute to progress towards achieving the WHO global nutrition and diet-related NCD targets.

Infant feeding in areas of Zika virus transmission

breastfeeding mother
WHO/TDR/Fernando G. Revilla

12 July 2016 -- eLENA has been updated to include the recently released guideline on infant feeding in areas of Zika virus transmission.

eLENA mobile phone application


17 December 2015 -- Access the latest WHO nutrition guidelines, recommendations and related information for nutrition interventions, wherever you are, with eLENAmobile, now available for iPhone and Android smartphones.