Synopsis

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

Caffeic acid is a naturally occurring polyphenolic compound found in many plants and foods, including coffee, fruits, and vegetables. Its use for colds is supported by limited scientific evidence, mainly from in vitro (test tube) and animal studies. Several studies have shown that caffeic acid exhibits antiviral activity against various viruses, including influenza virus and herpes simplex virus, by interfering with viral replication and modulating immune responses. For example, research published in Phytotherapy Research (2015) demonstrated that caffeic acid and its derivatives could inhibit influenza A virus replication in vitro. Additionally, caffeic acid has antioxidant and anti-inflammatory properties, which may contribute to its theoretical benefit in viral infections like the common cold.

However, there is a lack of robust clinical trials in humans specifically assessing caffeic acid’s efficacy in treating or preventing the common cold. Most of the available evidence is preclinical, and no clear dosage or safety profile has been established for this purpose. Thus, while there is some scientific basis for its antiviral potential, the evidence is not strong or direct enough to fully validate its use for treating colds in humans. Further research, especially well-designed human clinical trials, is needed to confirm its effectiveness and safety for this indication.

More about Caffeic Acid
More about Colds (antiviral)

Other ingredients used for Colds (antiviral)

Other health conditions supported by Caffeic Acid

Products containing Caffeic Acid