Synopsis

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

Goji berry (Lycium barbarum) has a history of traditional use in Chinese medicine for promoting general health and longevity, but in recent years, scientific studies have explored its potential benefits for cardiovascular health. Preclinical research has shown that goji berry extracts possess antioxidant properties, which may help reduce oxidative stress—a key contributor to cardiovascular disease (CVD). Some animal studies indicate that goji berry can improve lipid profiles by lowering total cholesterol, triglycerides, and LDL cholesterol while raising HDL cholesterol. Additionally, certain components in goji berries, such as polysaccharides and flavonoids, may help reduce blood pressure and inhibit the formation of arterial plaques.

Human data, however, remain limited. A small number of clinical trials suggest modest improvements in lipid metabolism and endothelial function, but these studies are often limited by small sample sizes, short durations, or lack of rigorous design. No large-scale, long-term clinical trials have definitively demonstrated that goji berry supplementation reduces the risk of cardiovascular events in humans.

In summary, while there is some scientific evidence from animal and limited human studies supporting the cardiovascular benefits of goji berry, the quality and quantity of research is not yet sufficient for strong recommendations. Overall, the evidence supporting the use of goji berry for cardiovascular disease is weak to moderate (rated 2/5), and more robust clinical trials are needed to confirm its effectiveness in this area.

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