Evidence supporting the use of: Marine fat (unspecified)
For the health condition: Psoriasis

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Synopsis

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

Marine fat, particularly from sources such as fish oil (rich in omega-3 polyunsaturated fatty acids like EPA and DHA), has scientific evidence supporting its use in the management of psoriasis. Several clinical studies have explored the effects of oral supplementation with fish oil in patients with psoriasis, showing modest improvements in skin lesions and reduction in inflammation. The mechanism of action is believed to involve the anti-inflammatory properties of omega-3 fatty acids, which can modulate the production of inflammatory cytokines (such as TNF-alpha and interleukins) implicated in the pathogenesis of psoriasis.

Meta-analyses and reviews suggest that while the beneficial effects are not universally robust, there is a consistent trend toward improvement in some patients, especially at higher dosages of marine-derived omega-3s. Topical application of marine fats is less studied, but oral supplementation remains relatively common in complementary and integrative medicine practices.

It is important to note that the evidence is moderate (hence a rating of 3) and not all patients respond, but the use of marine fat/fish oil for psoriasis is supported by peer-reviewed research rather than solely by tradition or anecdotal reports. Guidelines from some dermatology associations mention omega-3 supplementation as an adjunctive therapy, not as a replacement for standard treatments.

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