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Is Your Body Managing Energy Efficiently? Your Device Can Now Tell You with Insulin Resistance Trends

This new insulin resistance trends feature is coming to Pixel Watch 3, 4, and 5 and Google Fitbit Air this fall!

By: Shamira Sridharan Weaver, Ahmed Metwally

Google's new Health Guardian feature passively tracks your body's energy efficiency and serves as an early warning system for your metabolic health by estimating insulin resistance trends without a single drop of blood.

The Quick Takeaways

  • No Needles Required: The tool uses passive sensors on your wrist to track monthly shifts in your metabolic health, reserving formal lab work for when you're at the doctor's office.

  • Actionable Fuel Gauging: Think of it as a personal efficiency meter, giving you a sense of how efficiently your body absorbs energy from food and manages it throughout your activities.

  • Proactive, Not Reactive:: By catching insulin resistance trends early, you can tweak your activity, nutrition, sleep, and lifestyle.

Why It Matters to You

Over 40% of adults live with quiet, invisible changes in how their bodies process energy. Because you can't necessarily "feel" insulin resistance, you might not realize your body is struggling to manage glucose and is putting stress on your body.

Our technology brings those unseen signals into the light, allowing you to fine-tune your energy management with simple daily choices.

The Invisible Insulin Resistance Crisis

Data Insight

40%+

US Adults living with invisible metabolic shifts1

More than 40% of American adults are living with invisible shifts in their metabolic health—often for years without a clear picture. This tool turns those quiet biological signals into actionable daily insights.

In a healthy body, your cells act like eager hosts, quickly opening their doors when insulin knocks to deliver glucose (energy). But when insulin resistance is trending high, those doors stay locked. The body has to knock louder and louder, pumping out more insulin to get the job done. The pancreas, which produces insulin, will work harder to create more insulin to clear the sugar from your blood. You may not feel this quiet struggle, but over time, it overworks your metabolic system, leaves you feeling chronically drained and sets the stage for future health hurdles. An exhausted pancreas may stop producing insulin, causing blood sugar levels to rise and potentially leading to diabetes.  But the good news is - insulin resistance trends can be shifted downward with lifestyle changes!
Image of a woman

Your Wearable as Your Personal Lab

Checking your metabolic health is generally something you do when a medical professional flags something as concerning. This traditional testing is reactive, focusing on identifying health problems rather than prevention or optimization. Google layers on a proactive approach. By turning the sensors already sitting on your wrist into a passive, non-invasive metabolic lab, this new Health Guardian feature empowers you to more effectively track subtle shifts in your metabolic health.

Over the course of a month, this new Health Guardian feature promotes health awareness through passive tracking, quietly keeping tabs on an orchestra of signals: the rhythm of your heart, the quality of your sleep, and your daily movements. By weaving these threads together using our proprietary model, your insulin resistance trends can be estimated without requiring a single drop of blood. You might be wondering how accurate this actually is. Our insulin resistance trend metric has been validated against traditional laboratory results, which typically relies on fasting blood draw to evaluate levels of both fasting glucose and fasting insulin.

Taking Control of your Insulin Resistance Trends

The goal of this new feature is to help you take control of your health journey, serving as a gentle reminder to pause and check your routines. When this Health Guardian feature detects sustained, elevated insulin resistance trends over the month, it alerts you with a gentle nudge to help you adjust your daily habits and get your metabolic health back in its sweet spot.

More information can be found in our peer-reviewed research published in Nature.


Please note: This feature is not intended to diagnose, mitigate, treat, or cure any disease. This feature is not a prescreener for diabetes nor is it intended to monitor glucose levels in real time. Do not use this feature for diabetes management or rely on this product to alter any medications or insulin levels. Consult a medical professional for any questions about your metabolic health.

Insulin resistance trends feature will be available on Pixel Watch 3, 4, 5 and Fitbit Air this fall.

Wearables built for you

Get 3 months of Google Health Premium included with Fitbit and Pixel Watch. Designed for Google Health, they connect seamlessly – no setup needed.

  • Your Pixel Watch or Fitbit captures every step, every heartbeat, every 
night of sleep. It all flows into Google Health automatically.
  • Wear it to work, to bed, to the gym. Your wearable tracks your health around the clock, wherever life takes you.
  • The more your wearable tracks, the clearer the patterns become. See how sleep affects your energy, or how activity shapes your recovery.3

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FAQ

  • Organizations improve member engagement by offering personalized experiences that deliver real value and keep people actively participating over time. Google Health Enterprise combines wearables with AI coaching that adapts to each member's specific goals, providing real-time feedback and guidance that feels relevant to their daily lives. Health plans and employers see sustained engagement long after initial signup, with members consistently wearing devices, tracking their progress, and taking action on health recommendations rather than abandoning programs after a few weeks.7
  • Prevention and early intervention deliver the strongest cost reductions, and organizations using Google Health Enterprise see measurable results. Health plans report lower healthcare utilization as members better manage chronic conditions like diabetes and hypertension before complications arise. Employers see decreased emergency room visits and fewer high-cost claims when at-risk populations receive continuous monitoring and proactive support. The solution's data shows exactly which interventions drive savings, enabling organizations to refine programs and demonstrate ROI to stakeholders.
  • Wearables provide the continuous, objective data that value-based care models require to demonstrate patient engagement and track outcomes. Google Health Enterprise captures activity levels, chronic condition indicators, and care plan adherence in real time, giving providers the documentation needed for quality reporting and value-based contracts. The solution delivers data-driven patient outcomes through measurable metrics that show patient progress, support performance assessments, and provide evidence of care plan effectiveness. This enables providers to meet value-based payment requirements through quantifiable health data and demonstrated patient activation.
  • Proven STAR rating improvement strategies focus on increasing member engagement in preventive care and chronic condition management. Google Health Enterprise provides a supplemental benefit that keeps members actively engaged in health activities tied to STAR measures. The solution tracks key metrics for quality reporting, enables targeted interventions for at-risk members, and provides documentation that supports care gap closure and medication adherence initiatives. This gives health plans the tools needed to support STAR performance through measurable member activation
  • Technology-driven programs support HEDIS score improvement by increasing member participation in preventive care and screenings. Google Health Enterprise helps health plans track engagement in wellness activities, identify members who need outreach for specific HEDIS measures, and generate data for quality reporting. The solution provides insights into which members are completing preventive visits, managing medications effectively, and participating in recommended health screenings, giving health plans actionable information to close gaps and improve performance.
  • Digital health programs increase employee engagement and retention by offering benefits that people value and actually use in their daily lives. Google Health Enterprise provides personalized wellness support that addresses individual health goals, from better sleep to increased activity to stress management. The solution enables organizations to create meaningful wellness experiences through challenges, progress tracking, and community features that build connection beyond traditional benefits. This approach gives employers a retention tool that demonstrates investment in workforce wellbeing.7
  • Employee health and wellness incentives drive initial signup, but sustained engagement requires programs that deliver ongoing value beyond rewards. Google Health Enterprise combines incentive structures with personalized support that helps users achieve meaningful progress on their own health goals. The solution enables organizations to design flexible rewards programs, track which incentives generate the strongest participation, and adjust approaches based on what resonates with different populations. This helps move beyond one-time signup bonuses toward sustained behavior change.
  • Organizations using Google Health Enterprise gain visibility into health risks across their workforce, enabling early intervention before conditions escalate into costly care. The solution supports cost reduction efforts by helping users manage chronic conditions like diabetes and hypertension, tracking preventive care engagement, and identifying patterns in healthcare utilization. Organizations can monitor trends in emergency room visits, prescription adherence, and high-cost claims, giving them data to assess program impact and refine their approach over time. The solution provides the tools and insights needed to support workforce health while working toward lower healthcare spending.
  • Wearables for clinical trials provide continuous, objective data that traditional self-reported methods can't match. Google Health Enterprise enables researchers to track real-world activity, sleep patterns, and vital signs automatically, eliminating recall bias and incomplete logs. The solution's API provides access to granular behavioral data for validation and analysis, supporting studies that require longitudinal health monitoring. This gives researchers the continuous, passive data collection needed to understand how interventions perform in everyday settings rather than controlled environments.

  1. Offer ends 05/26/27. New and returning users only; 1 trial per customer and not transferable. Requires valid form of payment and compatible device. Automatically renews for $9.99/mo after trial; cancel anytime. More details at http://g.co/fitbit/terms.

  2. Not intended for medical purposes. Like all heart rate tracking technologies, accuracy is affected by physiology, location of device, and your movements and activity. Consult your health care professional before making changes regarding your health.

  3. Not intended for medical purposes. Sleep tracking features are not intended to diagnose or treat any medical conditions and should not be relied on for medical purposes. It is intended to provide information that can help you manage your well-being. Consult your health care professional before making changes regarding your health.