COMPANY PROFILE

Complement 1

Empowering cancer patients with expert-led sessions on exercise, nutrition, and well-being to enhance recovery and long-term health

Dover, United StatesFounded 2024Health

Valuation $50–100M Last recorded · 2025

Headcount <100 Current team size

Total funding $10–50M Disclosed equity funding

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About Complement 1

Complement 1 focuses on improving health outcomes for cancer patients through expert-led, one-on-one live sessions that cover exercise, nutrition, and overall well-being. The company operates in the healthcare sector, specifically targeting cancer survivors who seek to enhance their recovery and long-term health beyond traditional treatments like surgery and chemotherapy. Complement 1's business model revolves around providing a clinically validated adjunct lifestyle modification program, which is trauma-informed and designed to reduce cancer recurrence and mortality by 30-35%. The program addresses the gap in lifestyle care for cancer patients, offering personalized and daily human connection to help patients stay on track. Complement 1 generates revenue by offering these specialized sessions, which are not intended to replace medical treatments but to complement them. The company serves a niche market of cancer survivors who are often left to navigate post-treatment life on their own, providing them with the tools and support needed to improve their quality of life.

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At a glance

Status: Operational
Founded: 2024
Headquarters: Dover, United States
Employees: 12
Open positions: None listed
Dealroom signal: 68.7/100
Industry: Health
Sector: Health, Oncology, Mental Health, Nutrition, Woman Founder, Digital Care
Client focus: b2c
Links: Website LinkedIn

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Funding history

1 recorded event

Company financing events and reported valuations.

Deal type	Date	Amount	Valuation	Investors	Source
SEED✓Equity / VC	May 2025	$16M	$64M	Blume Ventures · Owl Ventures	↗

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Growth signals

Complement 1 website traffic

Latest recorded traffic for Complement 1 is 640 monthly website visits, up 137% over the last three months. Complement 1's team grew 20% over the past year.

Latest monthly visits640 3-month web change+137% 1-year team growth+20%

Monthly website visitsMay 2025–Mar 2026

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