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Exclusive: Castlight Health adds Noom programs to navigation platform

The partnership will allow employers to purchase Noom directly through the healthcare navigation company beginning in the first quarter of 2026.
By Jessica Hagen , Executive Editor
Two people shaking hands

Photo: Daniel de la Hoz/Getty Images

Weight loss company Noom will now be available to employers to purchase directly through Castlight Health's healthcare navigation platform.

"From our standpoint, you can have the greatest products in the world, but if you don't get people to engage and enroll in them, it doesn't really matter exactly how good the product is," Cody Fair, chief commercial officer at Noom, told MobiHealthNews

"That's something that we feel Castlight does better than anyone else in the industry – their ability to engage their population and get them in the right programs at the right time."

Castlight Health offers employers, health plans and benefits consultants digital and human-led healthcare navigation services, including access to digital health tools. 

The company allows members to customize their experience with add-on solutions to fit their populations' needs. 

Noom also works with employers, health plans and health systems, providing weight-loss and mental health tools.

Its offerings include Noom Med, which offers weight-loss medication such as GLP-1s, and a psychology-based mobile app program for weight loss, Noom Weight. 

Noom Diabetes is a psychology-based diabetes management program for individuals with type 2 diabetes, and the company's Noom Diabetes Prevention Program is for weight loss and glycemic control.  

"We see the market going in this more consumer-brand, consumer-centric, modern kind of experience, and ultimately, we are making a shift to try to partner with companies like that," Victor Leclere, senior vice president of strategic growth and partnerships at Castlight Health, told MobiHealthNews.  

"We believe that companies that are more modern and consumer-centric, at the end of the day, we can help them with engagement, but they are also the owner of that engagement and re-engagement over time. Noom has demonstrated that they can actually drive that in a much more meaningful way than traditionally employer-sponsored solutions."

Through the partnership, Noom's programs, including its GLP-1 offerings, will be available directly through the Castlight app, beginning in the first quarter of 2026. 

"Employers will have access to our full metabolic program, which starts with Noom Weight, our diabetes prevention and diabetes program, and then our clinical-level program that we call Noom Med, which does have the ability for Noom clinicians to follow our proprietary standard protocols, which includes prescribing of GLP-1s," Fair said.

Castlight members will receive prompts directing them to Noom's psychology-based program. It also allows employers to reward members for completing different activities aligned with their weight management goals. 

"Every single employer is thinking through what to do with GLP-1s, and this is where we historically have not had a good answer for them in terms of helping support them," Leclere said. "Noom was super attractive to us, not just for the engagement consumer piece, but fit in terms of filling a gap for us as well."

Castlight and Noom are also building deeper data connections behind the scenes. The companies plan to expand bi-directional data sharing, allowing employers to track program engagement and outcomes more precisely and tailor incentives based on real-time behaviors.

"We're really excited about the partnership to get it off the ground coming into the new year, and think it really is a big win for employers and plans with the two companies getting together," Fair said.