Evidence supporting the use of: Orange
For the health condition: Digestion (poor)

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Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Oranges and their peels have a long history of use in traditional medicine systems, particularly in Chinese and Ayurvedic medicine, to support digestion and alleviate symptoms of poor digestion such as bloating, indigestion, and loss of appetite. In Traditional Chinese Medicine (TCM), dried orange peel (known as Chen Pi) is commonly used to regulate Qi (energy) and improve digestive function. It is believed to help manage "dampness" and "phlegm" in the digestive tract, and is included in numerous herbal formulas for gastrointestinal complaints.

From a Western herbal perspective, citrus fruits like orange are valued for their aromatic oils, mild bitterness, and dietary fiber, all of which can modestly stimulate digestive processes. Bitter compounds and essential oils in the peel may promote the secretion of digestive juices and bile, potentially aiding in the breakdown of food. The fruit itself is a source of soluble and insoluble fiber, which can help regulate bowel movements.

However, while there is substantial traditional use, scientific evidence supporting the efficacy of orange (especially the fruit) for treating poor digestion is limited. Most clinical research focuses on orange peel extracts and their effect on gut motility or as carminatives, but high-quality human studies are lacking. Therefore, the evidence rating is moderate, primarily grounded in tradition with limited scientific validation.

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