The Natural Resveratrol ecosystem comprises a tightly linked set of upstream, midstream, and downstream actors that collectively generate and capture value from plant-derived polyphenol extracts. Upstream, agricultural producers cultivate high‑resveratrol grape skins, Japanese knotweed, or mulberry, and specialized raw‑material suppliers isolate and purify the compound. Midstream participants include technology providers that offer extraction, chromatography, and stabilization platforms, as well as OEM manufacturers that formulate the ingredient into capsules, powders, or functional food blends. Downstream, distributors, nutraceutical brands, and pharmaceutical firms market the finished products to health‑conscious consumers, clinical researchers, and institutional buyers. Value flows through licensing agreements, contract manufacturing, and quality‑certification milestones that align with regulatory expectations.