Synopsis

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

Organic acids, such as citric acid (from citrus fruits), ascorbic acid (vitamin C), and acetic acid (from vinegar), have traditionally been included in various home remedies for colds, particularly in the form of hot lemon drinks, vinegar infusions, or fruit juices. The rationale for their use often stems from historical and folkloric beliefs that acidic foods and beverages can "cut through" mucus, provide comfort, or support general health. There is a strong tradition, especially in many cultures, of using lemon (rich in citric and ascorbic acid) and honey drinks for colds with fever. However, the scientific evidence specifically attributing cold relief to "organic acids" as a class—other than ascorbic acid/vitamin C—is weak or lacking. Most controlled studies have focused on vitamin C rather than organic acids in general, and results have been mixed, with little support for a major benefit in treating or shortening the duration of colds. No robust clinical trials support the use of other organic acids (like citric, malic, or acetic acid) for this purpose. Therefore, while the use of organic acids in this context is primarily traditional, the overall evidence for efficacy is minimal, except for some weak support for vitamin C.

More about organic acid (unspecified)
More about Colds (with fever)

Other ingredients used for Colds (with fever)

Other health conditions supported by organic acid (unspecified)

Products containing organic acid (unspecified)