Daily consumption of elderberry juice for one week (12 ounces of the juice daily) significantly increases gut microbial communities associated with health benefits, according to a new randomized, placebo-controlled study. Compared to placebo, elderberry juice significantly increased Firmicutes and Actinobacteria, and decreased Bacteroidetes phyla; at the genus level, elderberry juice increased Faecalibacterium, Ruminococcaceae, and Bifidobacterium...