25 Apr 2018 --- Glanbia nutrition group, Glanbia plc, has noted strong growth in its Glanbia Performance Nutrition (GPN) sector, as well as promising volume growth from the Glanbia Nutritionals (GN) portfolio. Highlights include a 9.3 percent revenue increase from 2017 for GPN, and a 1.1 percent increase from 2017 for GN. The news comes from the release of the company's Interim Management Statement for the past three month period.