For the first time, see if your body is recovering or accumulating debt.
You get your sleep. You train. You take care of yourself. And yet, you still don't know if what you're doing is actually working. Numa Band captures your signals 24/7 and shows you in a single metric the real direction of your recovery, week by week. No subscription required to see your own data.
Shop NowMetabolic Inertia Tracking
Stop guessing. Start seeing.
Most bands tell you how last night was. Your body doesn't work night by night; it works in weeks. Numa captures your signals 24/7, accumulates them over 7 days, and shows you if you moved forward or backward this week.
How it works
Metabolic Capacity
Understand how well your body recovered this week. Not just how you are today, but what reserve you have left to keep going.
Metabolic Momentum
A direction indicator. Whether your habits this week are building up reserves or accumulating debt you can't feel yet.
Metabolic Capacity
Wake up stronger, healthier, and more resilient.
Measure your metabolic capacity: a key indicator of how efficiently your body functions and recovers. The higher it is, the better your endurance, the faster your recovery, and the greater your resilience as you age.
Metabolic Capacity:
The secret to lasting energy and long life
What it is: A measure of your body's ability to produce, store, and use energy efficiently, both at rest and during activity. Imagine it as your internal fuel tank: the larger it is, the more energy you have to move, recover, handle stress, and live. Higher metabolic capacity translates to better endurance, faster recovery, and greater resilience with age—like sharpening a sword so it lasts longer without losing its edge.
The Problem: As people age, they often feel more tired, recover more slowly, and get weaker—not because it's inevitable, but because their metabolic capacity declines.
The Solution: By focusing on increasing metabolic capacity through the right balance of movement, recovery, and stress, you can build a stronger, more energetic body that resists aging.
How it works: Numa measures your daily effort and recovery, then analyzes how those choices influence your long-term energy system. It’s not just about how you feel today, but whether you are building capacity for the future.
Why it matters:
- Shows how well your metabolism contributes to long-term health.
- Helps you train smarter and recover better.
- Tracks improvements in your body's energy systems over time.
Metabolic Momentum
Stay active, energized, and age-resistant.
Get real-time insights into whether your daily choices are slowing down or accelerating aging. Metabolic Momentum shows you exactly where you're headed, so you can take control, adapt quickly, and build a longer, healthier life.
Metabolic Momentum:
The hidden force behind longevity
What it is: A dynamic score that shows if you are building resilience or accelerating aging. Metabolic Momentum tracks how your daily habits stack up over time, revealing the direction your health is taking. Just as a snowball gains speed as it rolls downhill, healthy habits create upward momentum that leads to longevity and vitality.
The Problem: Most people don't realize their body is heading in the wrong direction until it's too late. Bad habits accumulate slowly, leading to exhaustion, illness, and premature aging without obvious warning signs.
The Solution: By monitoring your metabolism, you get early insights into whether your lifestyle is investing in your future health or harming it. It lets you know in real time if you are rejuvenating or accelerating the aging process.
How it works: Numa analyzes your patterns (movement, recovery, stress, and nutrition) and calculates the impact of your choices. By making consistent positive decisions, your Metabolic Momentum score increases.
Why it matters:
- Predicts where your health is headed, not just where it is today.
- Helps reinforce positive habits and detect decline early.
- Shows how much your lifestyle contributes to (or subtracts from) your healthy lifespan.
Chronic Disease Detection
Detect health risks before they slow you down.
By analyzing your body's signals, the Numa band can detect early signs of illness, helping you take action before small issues turn into major problems.
The Numa band is not just another tracker.
The difference isn't in how many metrics it measures. It's in whether it tells you the direction your body is headed.
Whoop tells you how recovered you are today. Oura tells you how well you slept last night. Numa tells you something different: if this week your body moved in the right direction.
No monthly fees to access your own health
Numa:
One-time purchase. Optional premium*.
Others:
$30 per month just to see your data.
We believe your health data shouldn't be locked behind a subscription.
With Numa Band, you own the device and your information. Forever.
Real longevity metrics: not just Heart Rate Variability (HRV).
Numa:
Metabolic Momentum, Capacity, Resilience, and a full Longevity Index.
Others:
Just life expectancy. HRV is only one piece of the puzzle.
Numa offers you a complete view and shows you how your body changes over time.
Direct measurement: not just inference.
Others infer aging from heart rate variability, sleep, and heart rate.
Numa measures it directly.
The Numa Band + Numa Pod device allows monitoring of real biomarkers in fat, muscle, and tissue, where aging actually happens.
Inference is useful.
But direct data is powerful.
Every choice shapes your future.
Numa Band helps you make the right decisions.
Powered by AI and machine learning, Numa+ is an enhanced in-app health experience that helps anyone create routines that provide a positive feedback loop.
Make smarter health decisions.
Understand how daily habits influence your longevity and receive data-driven health guidance for a holistic health approach.
Increase body energy levels
Track and receive guidance on how to better maintain endurance, faster recovery, and greater adaptability as you age—like sharpening a sword that lasts longer, rather than losing its edge over time.
Detect wear and tear before you feel it
When your recovery drops for several days in a row, the app shows you before you notice it in your body. That's the moment to adjust.
Make time wait for you.
No more guesswork. Receive personalized daily and weekly insights, backed by advanced science, to optimize your health. Every week you see which habits improved your recovery and which ones held it back. No guessing.
Numa Health Band - Advanced Device for Peak Performance
Measure the real direction of your recovery, week by week.
Numa Band captures your signals 24/7 and shows you week by week if what you're doing is working or if your body is accumulating debt you can't feel yet. No monthly subscription to access your data.
Numa Health Bracelet – Advanced Device for Better Performance
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Not satisfied in 90 days? Get a full refund.
That's how confident we are in the results. If you aren't completely satisfied, return it and we will refund your purchase.
"If you really want to stay healthy long-term, this is the tool I always come back to."
"I've trained my whole life, but the Numa band taught me more about my body in 30 days than some coaches have in years. It's accurate, simple, and shows you what is actually improving... not just your steps."
Frank Gore, 5-time Pro Bowler
Verified Review
Optimize your health, not just your fitness.
Get real-time information on whether your daily choices are slowing down or accelerating your recovery with monitoring of metabolic momentum, life expectancy, and resilience.
Personalized coaching for longevity
Numa uses your data to offer personalized insights into which habits and actions can help you optimize your health and slow down aging.
Continuous biomarker monitoring
Monitor vital longevity data like HRV, heart rate, SpO2, skin temperature, and more, 24/7 with clinical accuracy.
Detect drops in recovery before you feel them.
When recovery drops for several days in a row, the band shows you before you feel it. It detects decreased recovery, stress, and sleep issues, alerting you to potential future illness.
Know which habits actually work
Get proof that your changes in sleep, diet, or training are improving your health with trends and analysis available in the app.
The Numa Band uses 5 LEDs and 4 photodiodes to capture your health data more frequently than most wearables, offering signal capture with higher frequency than most devices in this price range. Monitored biomarkers include:
Heart Rate Variability (HRV)
Heart Rate
Blood Oxygen Levels (SpO2)
Skin Temperature
Sleep Stages (Light, Deep, REM, Awake)
Activity Levels and Movement Patterns
Strain / Physical Effort
Recovery Status
Our AI translates this data into easy-to-understand insights so you can make smarter health decisions and extend your healthy lifespan.
Just put it on
The Numa Band fits comfortably on your wrist 24/7, automatically tracking heart rate variability, sleep stages, recovery depth, blood oxygen saturation, skin temperature, activity levels, and physical strain.
Open the app every morning
Check the app to see what's happening inside your body and understand how your choices affect your health in real-time.
Take control with personalized action plans
Get clear, actionable steps to improve your recovery, sleep quality, energy levels, and long-term health with the Pro App membership.
Track your progress
See trends over weeks and months. Have the certainty that your habits are working. Get proof that you are improving your health, rather than just spinning in circles.
Looking for more information?
The Numa Health app is free for all Numa Band members and gives you access to key metrics like your Metabolic Capacity, Metabolic Momentum, Health Score, and much more.
Numa Band isn't just about being fit—it's about protecting your long-term health. We monitor longevity indicators, showing you how your habits accelerate or slow down aging.
Our exclusive metrics, like Metabolic Momentum and Metabolic Capacity, help you live longer, prevent chronic disease, and optimize your body for a healthier future. This isn't just data: it's a guide for a longer and fuller life.
- Wear it anywhere: Comfortable enough for non-stop use thanks to new durable SuperKnit bands, with a flexible design for 24/7 wear.
- Waterproof: IP68 certified, dustproof and water-resistant to depths of 1 meter for up to 2 hours.
- Sensors: 5 LEDs and 4 photodiodes capture your data more frequently than most wearables, with class-leading precision.
- Battery Life: Up to 4-5 days on a single charge. Typically charges in 20-80 minutes.
- Connectivity: Bluetooth® Low Energy. Automatic firmware updates. FCC certified.
- App: Free application included.
- Continuous Heart Rate Monitoring
- Heart Rate Variability (HRV)
- Blood Oxygen Levels (SpO2)
- Sleep Stages (Light, Deep, REM, Awake)
- Sleep Quality and Efficiency
- Activity Levels and Movement Patterns
- Stress and Recovery
- Skin Temperature
- Blood Pressure (future update, pending FDA approval)
Longevity means living a longer, healthier life, free of preventable diseases. The Numa band helps by continuously tracking and interpreting your body's signals to:
- Detect early signs of imbalance or chronic risk
- Monitor how your daily habits influence your aging process
- Provide insights to improve health throughout your lifespan
On average, Numa Band users gained 39 additional days of life in their first year with Numa.
No subscription is required to use the band or to access your raw data.
Yes. The Numa Band has an IP68 rating:
- Dustproof
- Water-resistant up to 1 meter for up to 2 hours
Perfect for showering, swimming, and exercising without interruption.
- Up to 4-5 days of life with typical use
- Fast charging: full in approximately 30 minutes
The Numa band features an adjustable strap that comfortably fits a wide range of wrist sizes.
Yes. The Numa band works with:
- iOS: iPhone 8 and later, iOS 14.0+
- Android: Android 8.0 (Oreo) and later versions
- Shipping Time: Most orders ship within 1 business day and are delivered in 3 to 5 business days.
- Returns: 100% satisfaction guaranteed. We accept returns within 45 days of receipt for a full refund, even for used and opened products.
🏆 The Award-Winning Longevity Band
Most people wait for a doctor to tell them something is wrong. You don't have to.
- Discover which habits make a difference (and which don't).
- Detect heart stress and recovery issues early.
- Anticipate health problems rather than reacting to them.
Frequently Asked Questions
The Numa band is not just about fitness; it's about protecting your long-term health. We monitor longevity indicators, showing you how your habits accelerate or slow down aging. Our unique metrics, such as Metabolic Momentum and Metabolic Capacity, help you live longer and optimize your body for a healthier future.
- Continuous heart rate monitoring
- Heart rate variability (HRV)
- Blood oxygen levels (SpO2)
- Sleep stages (Light, Deep, REM, Awake)
- Sleep quality and efficiency
- Activity levels and movement patterns
- Stress and recovery
- Skin temperature
- Blood pressure (future update, pending FDA approval)
Longevity means living a longer, healthier life, free from preventable diseases. Numa Band helps by continuously tracking and interpreting your body signals to:
- Detect early signs of imbalance or chronic risk
- Monitor how your daily habits influence your aging process
- Provide information to improve health throughout your lifetime
No subscription is required to use the band or to access your raw data.
Yes. The Numa Band has an IP68 rating:
- Dust proof
- Water resistant up to 1 meter for a maximum of 2 hours
Perfect for showering, swimming, and exercising without interruption.
- Up to 4-5 days of life with typical use
- Fast charging: full in approximately 30 minutes
Note: Frequent synchronization may slightly reduce battery life.
iOS Devices:
- iPhone 8 and newer models
- iOS 14.0 and newer versions
Android Devices:
- Android 8.0 (Oreo) and later versions
We offer a 90-day, no-questions-asked return or exchange policy. Try it risk-free.
Yes. Your health data is:
- End-to-end encrypted
- Stored on HIPAA-compliant servers
- Only accessible by you
We prioritize your privacy and never sell your data.