Evidence supporting the use of: Bird's nest
For the health condition: Aging (prevention)

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Synopsis

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

Bird's nest, particularly edible bird's nest (EBN) derived from the saliva of swiftlets, has a long history of use in Traditional Chinese Medicine (TCM) as a tonic for health and longevity. Its use for aging prevention and general rejuvenation is primarily based on traditional beliefs and anecdotal reports rather than robust scientific validation. TCM texts and practitioners claim that Bird's nest nourishes the body, replenishes "qi," and improves skin complexion, which aligns with anti-aging goals. Modern research on the anti-aging effects of Bird's nest is limited, though some in vitro and animal studies suggest potential benefits. These include the presence of glycoproteins, sialic acid, and epidermal growth factor-like substances which might promote cell proliferation, skin hydration, and antioxidant activity. For example, a few laboratory studies indicate EBN may upregulate genes involved in cell regeneration and downregulate oxidative stress markers, but these findings are preliminary and not yet confirmed in human clinical trials. As such, while Bird's nest continues to be marketed and consumed for aging prevention, current evidence supporting its efficacy is weak and mainly rooted in tradition rather than rigorous science. Further research, especially well-designed human studies, is needed to substantiate any anti-aging claims.

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