New editorial on The Cochrane Library by Lawrence et al, A call to action to reshape evidence synthesis and use for nutrition policy, outlines how Cochrane can take "a proactive role in reforming evidence use in nutrition policy so as to be more relevant, transparent, and responsive to decision makers globally". The editotrial reflects on the issues discussed at a Symposium on Nutrition and Evidence for Policy and Practice, convened in Vienna, Austria, as part of the 23rd Cochrane Colloquium in 2015 (2015.colloquium.cochrane.org).