Evidence supporting the use of: Fern
For the health condition: Osteoporosis

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Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Ferns have been utilized in various traditional medicine systems, especially in Asia and parts of Europe, for their perceived health benefits, including bone health. The rationale for using ferns—such as Davallia mariesii (rabbit’s foot fern) and other species—stems from their inclusion in folk remedies aimed at treating bone-related ailments, joint pain, and even fractures. In Traditional Chinese Medicine (TCM), for example, certain fern species are ingredients in formulas purported to "strengthen bones" or "dispel wind-dampness," which are loosely related to musculoskeletal disorders. However, these uses are largely anecdotal, rooted in centuries-old practices rather than modern clinical research.

Scientific validation of ferns for the treatment or prevention of osteoporosis is extremely limited. A handful of preclinical studies have examined extracts from some fern species for their effects on bone metabolism in animal models, with some suggesting potential anti-resorptive or osteogenic properties. However, these studies are preliminary, lack rigorous controls, and have not been translated into human clinical trials. No fern-based therapy is recognized or recommended by mainstream medical authorities for osteoporosis. Thus, while there is a traditional basis for their use, the strength of evidence supporting ferns for osteoporosis is very low, and patients should rely on well-established, evidence-based interventions for bone health.

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