Additional Analysis of Effects of Young Barley Leaf Powder on Immune Function

Background: The health benefits of young barley leaves, known for their high dietary fiber content, have been explored over several decades. In a previous study on healthy adults, we found that intake of young barley leaf powder for 8 weeks notably reduced the number of cumulative days in which participants experienced cold-like symptoms compared to a placebo. This improvement was accompanied by increased expression of HLA-DR on a specific subset of conventional dendritic cells (cDCs), namely...