Special edition: Immune support The key market data and ingredients in the immune health sector By Stephen Daniells 17-Jun-2015 - Last updated on 18-Jun-2015 at 14:10 GMT Email to a friend Immune supplement sales were valued at an impressive $2.3 billion in 2013 (Nutrition Business Journal), and in this gallery we look at the key market trends and ingredients for this growing sector. Consumer interest Key brands Vitamin C Zinc Echinacea Probiotics Vitamin D Wellmune EpiCor Arabinogalactan Elderberry Astragalus Fucoidan Prev 1 2 3 4 5 … 13 Next Related tags Marketing