As the global population ages and consumer awareness of healthy aging accelerates, the longevity supplement sector is booming. By 2025, it is projected to surpass $45 billion globally, with B2B demand for evidence-backed ingredients growing rapidly. From NMN to Urolithin A, new research is driving the next generation of anti-aging formulations. This article spotlights the most impactful and in-demand ingredients shaping the future of the longevity supplement market in 2025.