The Phosphatidylserine Supplement segmentation by application delineates four primary use‑cases that collectively drive market revenue. Cognitive health—targeting memory retention, attention, and age‑related decline—accounts for the largest share, reflecting clinical evidence that supports a 30‑40 % improvement in neurocognitive scores; the chart assigns it roughly 45 % of total sales. Stress management products, formulated for cortisol modulation and sleep quality, represent about a quarter of the market (≈25 %) and are favoured by corporate wellness programs. Athletic performance supplements, marketed to enhance recovery and reaction time, contribute roughly 20 % of volume, benefitting from partnerships with sports nutrition distributors. The residual general wellness segment, encompassing broad‑spectrum formulations without a dedicated therapeutic claim, holds an estimated 10 % share. Quantifying each application clarifies demand elasticity: high‑growth cognitive and stress categories attract premium pricing, while performance and wellness segments sustain baseline volume, together shaping the overall market size. Forecasts project a compound annual growth rate of 7 % through 2032, driven primarily by expanding cognitive‑health demand.