Evidence supporting the use of: Garlic bulb
For the health condition: Blood Clots (prevention of)

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Synopsis

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

Garlic bulb (Allium sativum) has been traditionally used in various cultures for cardiovascular health, but there is also moderate scientific evidence supporting its role in the prevention of blood clots. Several clinical studies and laboratory experiments suggest that garlic exhibits antithrombotic properties, meaning it can help reduce platelet aggregation and the formation of blood clots. The active compounds in garlic, particularly allicin and other sulfur-containing substances, are believed to inhibit platelet aggregation and enhance fibrinolytic activity (the breakdown of clots).

A number of randomized controlled trials and meta-analyses have demonstrated that garlic supplementation can modestly reduce platelet aggregation in healthy adults and in patients with cardiovascular risk factors. For example, a meta-analysis published in the journal Phytomedicine (2020) concluded that garlic has a mild but statistically significant effect on reducing platelet aggregation. Another review in Nutrition (2015) suggested that garlic may have a beneficial role in cardiovascular prevention, including effects on clotting mechanisms. However, the magnitude of the effect is generally modest, and garlic is not a substitute for prescribed anticoagulant therapies in high-risk patients.

Overall, while garlic has some scientific backing for its use in blood clot prevention, its effects are mild and best considered as supportive rather than primary therapy. Individuals on blood-thinning medications should consult healthcare providers before using garlic supplements due to potential interactions.

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