What is Complement 1?
Founded in 2024 and headquartered in the United States, Complement 1 operates at the intersection of health technology and oncology. The company provides a sophisticated, AI-powered platform designed to mitigate treatment side effects and improve the overall quality of life for high-risk individuals. Its core offering leverages certified CoActive Coaches to deliver personalized daily guidance across nutrition, physical activity, and mind-body practices. By focusing on measurable patient outcomes, Complement 1 distinguishes itself from traditional wellness applications, moving toward a model of clinical integration that addresses the complex needs of the cancer care continuum. The company's reliance on evidence-based interventions suggests a strategic focus on long-term efficacy and potential integration into standard clinical workflows.
How much funding has Complement 1 raised?
Complement 1 has raised a total of $16M across 1 funding round:
Seed
$16M
Seed (2025): $16M with participation from Owl Ventures and Blume Ventures
Key Investors in Complement 1
Owl Ventures
Owl Ventures is a global leader in education technology investing, focusing on innovative solutions that enhance learning experiences and support scalable growth.
Blume Ventures
Blume Ventures is an India-focused early-stage investment firm that partners with founders to build enduring, technology-led businesses across various sectors.
What's next for Complement 1?
With this major strategic investment, Complement 1 is well-positioned to scale its operations and expand its clinical footprint. The current funding context suggests a transition from initial development to a more aggressive growth phase, likely involving the expansion of its coaching network and the enhancement of its proprietary AI algorithms. Future strategic initiatives will likely prioritize the broadening of clinical trial data to support wider adoption by healthcare providers and insurance payers. As the company matures, it will need to navigate the complexities of the digital health regulatory environment while maintaining the high-touch, personalized nature of its flagship program. The backing from prominent venture firms provides not only the necessary capital but also the operational expertise required to navigate the competitive landscape of health-tech innovation.
See full Complement 1 company page