Function Health vs Noom
Side-by-side comparison of AI visibility scores, market position, and capabilities
Raised $298M Series B (Nov 2025) at $2.5B valuation. Largest-ever longevity raise. 160+ lab tests + full-body MRI. Medical Intelligence AI model launched.
About
Function Health is a consumer preventive diagnostics company offering 160+ laboratory tests plus a $499 full-body MRI scan, all direct-to-consumer with AI-powered health intelligence layered on top. The company raised $298 million in Series B financing in November 2025 at a $2.5 billion valuation — the largest private fundraise in the longevity and preventive health space in history. The Medical Intelligence generative AI model, launched alongside the round, personalizes health guidance based on longitudinal biomarker data accumulated across repeat testing cycles.
Noom is a digital weight health program combining psychology-based behavioral coaching, food logging, and human coaching to help members build sustainable healthy habits.
About
Noom is a digital health company founded in 2008 that has grown into one of the most widely used weight management platforms, serving millions of members through its psychology-driven approach to behavior change. The platform combines daily lessons on cognitive behavioral techniques, food logging with a traffic-light color-coding system, personal coaching from trained health coaches, and group support to help members change their relationship with food and exercise. Noom raised over $540M and reached a $3.7B valuation, establishing it as a leading consumer digital health company. The company has expanded beyond weight loss into a broader weight health platform addressing both weight management and weight-related conditions including type 2 diabetes management with its Noom Med offering that includes GLP-1 medication prescribing. As GLP-1 medications like Ozempic and Wegovy have transformed the weight loss market, Noom has positioned its behavioral coaching as essential to sustainable results alongside medication. The platform serves both direct-to-consumer subscribers and employer health plans that offer Noom as a weight management benefit for their workforces.
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