Synopsis

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

Eggs, particularly egg shell membrane (ESM), have scientific evidence supporting their role in joint health. Several studies have investigated the effects of ESM supplements, which contain naturally occurring glycosaminoglycans like chondroitin sulfate, hyaluronic acid, and collagen. These components are important for maintaining the integrity and function of joints. Clinical trials have shown that oral supplementation with ESM can reduce joint pain and stiffness in individuals with osteoarthritis and other joint disorders. A randomized, double-blind, placebo-controlled study published in "Clinical Rheumatology" (2016) found that daily supplementation of ESM for 8 weeks resulted in significant improvements in joint pain and stiffness compared to placebo. The mechanism is thought to be due to the bioactive compounds supporting cartilage regeneration and reducing inflammation.

While whole eggs are an excellent source of protein and nutrients important for overall musculoskeletal health, the specific benefit for joints is mainly attributed to the membrane rather than the egg yolk or white. Thus, the use of egg (specifically ESM) for joint support is grounded in scientific evidence, though the strength of the evidence is moderate and further large-scale studies are needed to confirm the long-term efficacy and safety.

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