Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Citrus junos, commonly known as yuzu, has a long history of use in East Asian traditional medicine, particularly in Korea, China, and Japan. It is often used for digestive issues, including symptoms like indigestion and belching. The traditional rationale is that yuzu and its peel are believed to aid in the regulation of stomach qi, promote the movement of food through the digestive tract, and help relieve bloating or excess gas. However, while these uses are frequently mentioned in herbal medicine texts and folk practices, there is very limited scientific research directly investigating yuzu’s effects on belching specifically. Most modern studies on Citrus junos focus on its antioxidant, anti-inflammatory, and antimicrobial properties, rather than direct effects on gastric motility or gas. Therefore, while the use of Citrus junos for belching is grounded in tradition, current scientific evidence supporting this specific effect is minimal or indirect at best. As such, the strength of evidence for its use is considered weak (rated 1 out of 5), and users should be aware that claims about its efficacy for belching are not strongly substantiated by clinical research.

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