Synopsis

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

Currants (often referring to black currants, Ribes nigrum) are used to support eye health, and this use is primarily supported by scientific evidence. Black currants are rich in anthocyanins, a group of potent antioxidant compounds. Several clinical and preclinical studies indicate that anthocyanins can improve ocular blood flow, reduce eye fatigue, and potentially slow the progression of certain eye disorders. For example, research published in the journal Alternative Medicine Review (2005) found that black currant anthocyanins improved dark adaptation and visual fatigue in healthy adults. Other studies have suggested a beneficial role in managing symptoms of glaucoma and protecting retinal cells from oxidative damage due to their high antioxidant content.

However, while these results are promising, the overall evidence base is still emerging, with limited large-scale, long-term trials in humans. Most studies focus on black currants specifically, and not all currant varieties have been studied in this context. Thus, the evidence is rated as moderate (3/5). In summary, black currants show potential for supporting eye health, largely due to their anthocyanin content and antioxidant properties, but more robust clinical trials are needed to confirm these benefits.

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