The Plant-based Egg Alternatives ecosystem spans upstream ingredient sourcing, midstream formulation and manufacturing, and downstream distribution to food‑service and retail channels. Upstream actors deliver plant proteins, oils, and functional additives that are combined by formulators and processed by contract manufacturers. Midstream technology providers supply specialized equipment and fermentation platforms that enable texture and functional parity with chicken eggs. Downstream, distributors, retailers, and food‑service operators bring the finished product to end‑consumers, creating value that is captured through ingredient margins, processing fees, and channel mark‑ups. Value creation is anchored in the conversion efficiency of protein isolates, which determines cost per functional unit, while capture is distributed across ingredient licensing fees, contract manufacturing contracts, and margin differentials along the distribution chain.