Chamomile A Traditional Herb Backed by Modern Research Chamomile has long been used in traditional herbal practices to support digestion, reduce inflammation, and promote overall comfort. Today, modern research continues to explore the benefits of this well-known herb. A recent systematic review and meta-analysis of 11 controlled studies examined the effects of chamomile on digestive health. Researchers found that chamomile significantly reduced inflammation and ulceration of the mucous membranes lining the digestive tract. Participants also experienced reduced pain and improved digestive