February 3, 2026

Metabolic health, which focuses on how efficiently the body produces energy from food, is unique for women due to hormonal shifts throughout life. As new research underscores the importance of women’s metabolic health for chronic disease management¹, Garmin smartwatch data is being leveraged by digital health platform Hello Inside to provide women with a way to understand how changes in lifestyle factors such as diet, exercise, stress and sleep can impact glucose stability and hormonal symptoms.

Hello Inside is an AI-powered women’s metabolic health platform that turns glucose² and complex health data into real-time, hyper-personalized insights for women.

Personalized guidance backed by data

Hello Inside’s AI layer synthesizes self-reported food logging, continuous glucose monitoring (CGM) and Garmin smartwatch data to reveal how daily choices — eating, sleeping, moving and stress management — affect metabolic health through hormonal transitions, from menstrual cycles through menopause.

“The integration of wearable biosensors with continuous glucose monitoring is enabling the personalized, longitudinal monitoring women need throughout their hormonal transitions,” said Mario Aichlseder, CEO and co-founder of Hello Inside. “Our collaboration with Garmin is powerful because of the precision data they deliver. Their advanced sleep features, HRV monitoring and biometric tracking give us the accuracy we need to decode metabolism in real-time.”

Garmin smartwatches such as Venu® 4, Forerunner® 570 and fēnix® 8 then provide the additional biometric data needed to show a more comprehensive picture of overall health and wellness.

With CGM and Garmin data, Hello Inside incorporates AI to deliver personalized insights and recommendations to optimize metabolic health changes that can support weight loss and hormonal balance for users. Clinical data demonstrates these outcomes: users achieve an average weight loss of 4 kg in three months through metabolic optimization rather than restrictive dieting, with 76% reporting overall symptom improvement.³

Sleep, stress and more: How Garmin biometrics are utilized

• Sleep-insulin resistance prediction: Hello Inside integrates the high-quality sleep tracking capabilities of Garmin smartwatches to show how restorative sleep (REM plus deep sleep) correlates with glucose stability. Research shows that suppression of slow-wave sleep significantly decreases insulin sensitivity and glucose tolerance, even when total sleep time remains unchanged.⁴ Studies in women confirm that chronic insufficient sleep impairs insulin sensitivity independent of body composition.⁵ By overlaying Garmin sleep data with continuous glucose monitoring, Hello Inside reveals how poor sleep impacts next-day blood sugar patterns. The AI generates personalized Daily Insights explaining these connections through visualizations over time. This is particularly valuable for women facing hormonally driven sleep disruption throughout PMS, pregnancy, perimenopause, breastfeeding and even childcare.
• Real-time stress metabolism management: Physiological stress data from Garmin smartwatches — which includes heart rate variability (HRV), stress tracking and Body Battery™ energy monitoring — is overlayed with glucose patterns to reveal the cortisol-glucose response. When acute stress is detected through HRV changes, the Hello Inside app can trigger immediate mindfulness recommendations. A “Stress Level & Glucose Spikes” chart visualizes how stress affects blood sugar throughout the day, combining self-reported and physiological stress data for broader context.
• Cycle-synced metabolic optimization: Women typically have insulin changes across the menstrual cycle with more insulin sensitivity in the follicular phase and more insulin resistance in the luteal phase². Using the Garmin Women’s Health API, Hello Inside can see cycle phase, day and length, which works for regular, irregular and menopausal transition cycles. Women can modify exercise intensity, nutrition and recovery based on where they are in their cycle — accounting for the hormonal shifts that traditional health apps may not register.
• Activity-metabolism optimization: Workout data is synced to the Hello Inside Exercise Log, overlayed with glucose response data and analyzed to show how different exercise intensities affect glucose levels in different cycle phases. For example, high intensity interval training (HIIT) during the luteal phase may require adjusted intensity, while the same workout in the follicular phase might be better tolerated.

The Hello Inside approach reflects a broader shift toward prevention and long-term metabolic monitoring. By layering Garmin biometric data with continuous glucose monitoring, the platform helps women establish sustainable lifestyle patterns that support metabolic…