Evidence supporting the use of: Orange
For the body system: Respiratory System

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Synopsis

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

Oranges, and more broadly citrus fruits, have a long-standing traditional use in supporting the respiratory system, primarily due to their high vitamin C content. In various cultures, orange juice and citrus remedies have been used to alleviate symptoms of colds, coughs, and congestion. The rationale stems from the belief that vitamin C can bolster the immune system and potentially reduce the severity or duration of respiratory infections. However, scientific evidence supporting the direct efficacy of orange or orange derivatives specifically for respiratory health is limited. Clinical studies on vitamin C suggest a modest reduction in the duration and severity of common cold symptoms, but not in preventing respiratory infections. Most research focuses on vitamin C supplementation rather than whole orange consumption. There is little evidence that oranges have any direct pharmacological effect on the respiratory tract beyond providing hydration and nutrients. Thus, while the use of orange in this context is grounded in tradition, scientific validation is modest at best, and the evidence does not strongly support its specific use for respiratory system health beyond general immune support.

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