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It helps immune cell formation and has been shown to reduce the risk of acute respiratory infection

Once that happens it loses strength, and the breakdown products can be more irritating than the fresh ingredient

It produces proinflammatory cytokines and chemokines like interleukin (IL)-12 and tumor necrosis factor alpha (TNF), induces further inflammation and IFN release, and attracts neutrophils, natural killer (NK) cells, and lymphocytes to the site of infection (135)

While numerous studies have demonstrated encouraging preclinical outcomes using polyphenols such as curcumin, quercetin, resveratrol, and betulin encapsulated in lipid- or polymer-based nanocarriers, their translational promise remains highly variable

Kamal, H