Evidence supporting the use of: Allicin
For the health condition: Infection

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Allicin is a sulfur-containing compound derived from garlic (Allium sativum) and is primarily responsible for its characteristic odor and many of its reputed medicinal properties. There is a substantial body of scientific research suggesting that allicin exhibits antimicrobial activity against a range of bacteria, viruses, and fungi in vitro. Studies have shown that allicin can inhibit the growth of common pathogens such as Staphylococcus aureus, Escherichia coli, and Candida albicans, among others. The proposed mechanisms include interference with microbial enzyme systems and disruption of cell membranes.

However, while laboratory (in vitro) studies are promising, evidence in humans (in vivo) is less robust. Some clinical trials have reported reduced incidence and duration of infections such as the common cold when garlic supplements are used, but these studies often do not isolate allicin specifically, and methodological quality varies. Furthermore, allicin is unstable and rapidly degrades, making it difficult to standardize doses in supplements or foods. Meta-analyses and systematic reviews generally conclude that garlic, and by extension allicin, may have mild beneficial effects in preventing or reducing certain infections, but more rigorous clinical trials are needed to confirm efficacy and optimal dosing.

In summary, there is moderate scientific evidence supporting allicin's antimicrobial effects, primarily from laboratory studies, but clinical validation in humans remains limited.

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Products containing Allicin

We currently have no products on Vitabase that contain this ingredient.