Synopsis

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

Omega-3 fatty acids, particularly eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), have been investigated for their potential role in supporting hearing health and possibly reducing the risk of hearing loss. The scientific rationale is based on their anti-inflammatory properties and their ability to improve vascular health, which could benefit the delicate structures of the inner ear that rely on robust blood supply. Epidemiological studies have noted that higher dietary intake of omega-3 fatty acids (often from fish consumption) is associated with a reduced risk of age-related hearing loss. For example, a large cohort study published in the American Journal of Clinical Nutrition found that regular fish consumption correlated with a lower incidence of hearing loss in older adults. Animal research also suggests omega-3s may protect against noise-induced and age-related hearing loss by mitigating inflammation and oxidative stress in the cochlea.

However, direct clinical trials in humans specifically supplementing omega-3s to treat or reverse established hearing loss are limited. Most evidence is observational or based on animal models, rather than robust randomized controlled trials. Thus, while there is a plausible biological mechanism and some supportive epidemiological data, the clinical evidence remains limited, meriting an evidence rating of 2. Omega-3 fatty acids show promise for hearing preservation, but more targeted clinical research is needed before definitive recommendations can be made for the treatment or prevention of hearing loss.

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Products containing omega-3 fatty acids

Nature's Sunshine Flax Seed Oil (With Lignans)