
What You Should Know:
– Castlight Health and Noom have formed a strategic partnership to embed Noom’s preventive health and weight management programs directly into Castlight’s health navigation platform.
– The integration allows employers to purchase Noom through Castlight, granting employees seamless access to psychology-based care and GLP-1 medication management. The move is designed to combat rising healthcare costs by pairing expensive pharmaceutical interventions with sustainable behavioral lifestyle changes to ensure long-term ROI.
Castlight-Noom Alliance
In a healthcare landscape increasingly dominated by the high price tag of weight-loss medications, the separation between “navigating” care and “delivering” care is vanishing. Castlight Health, a dominant player in the health navigation space, and Noom, the consumer-first psychology-based health platform, have announced a partnership that signals a maturation in the digital health stack.
By integrating Noom’s suite of programs—including Noom Weight and Noom Med—into Castlight’s ecosystem, the companies are betting that the solution to spiraling healthcare costs isn’t just access to care, but the intelligent orchestration of it.
Solving the Discovery Problem
For years, the digital health market has suffered from “point solution fatigue.” Employers offer dozens of wellness apps, but utilization rates often languish in the single digits because employees don’t know they exist or how to access them.
This partnership attempts to solve the fragmentation issue by leveraging Castlight’s high-traffic front door. Through this collaboration, employers can purchase Noom directly via Castlight. Consequently, members utilizing Castlight’s app for general health queries or benefits checks will receive AI-driven “nudges” and recommendations connecting them to Noom’s programs at the exact moment of relevance.
Victor Leclere, SVP of Commercial at Castlight Health, notes that Castlight’s platform drives a “3.25x increase in engagement.” By piping Noom’s clinical validity through this high-engagement channel, the companies aim to convert passive members into active participants in their own health outcomes.
The GLP-1 Strategy: Medication Meets Modification
Perhaps the most critical component of this announcement is the inclusion of Noom Med. The explosion of demand for GLP-1 medications has left employers scrambling to manage costs that threaten to break benefits budgets.
The industry consensus is shifting toward a “medication plus” model. Merely prescribing GLP-1s is financially unsustainable without an off-ramp or maintenance strategy. Noom Med provides access to these medications but wraps them in a cognitive behavioral therapy (CBT) framework.
The integration ensures that when a Castlight member is identified as a candidate for metabolic support, they aren’t just routed to a pharmacy, but to a comprehensive program that emphasizes:
- Psychology-based habit formation: Changing the “why” behind eating habits.
- Micro-behavior incentives: Utilizing Castlight to reward small, sustained actions.
- Sustainable outcomes: Using lifestyle changes to potentially titrate off medication or maintain weight loss, thereby managing the long-term total cost of care.
Data-Driven Interventions
The technical synergy here lies in the data flow. Castlight’s core competency is its “Care Guide” services and advanced personalization engine, which identifies individual health needs based on claims data and search behavior.
By feeding this data into Noom’s engagement model, the partnership removes barriers to entry. It creates a closed-loop system where a member’s search for a primary care physician or a diabetes check-up can immediately trigger a personalized pathway into Noom Diabetes or Noom Diabetes Prevention.

