Sarvita
AI Coach That Reverses Your Biological Age
Meet Sar, your personal AI fitness coach. Get science-backed training plans, nutrition insights, and daily check-ins tailored to your longevity goals.
NEW AI Coach
Meet Sar, Your Personal Coach
Sar is a friendly AI fitness coach who knows the science of longevity. Get personalized guidance, not generic advice.
Weekly Training Plans
Sar creates personalized weekly plans based on the 4 pillars of longevity: Zone 2 cardio, strength, VO2 max, and stability.
- Adapts to your fitness level
- Syncs with Apple Health
Daily Check-ins
Check in with Sar up to 3 times a day. Get feedback on your meals, workouts, and progress toward your goals.
- Personalized insights
- Honest, not just nice
Nutrition Reports
Weekly nutrition analysis with meal patterns, protein tracking, and actionable suggestions based on your eating habits.
- AI meal analysis
- Photo or text logging
The Science of Living Longer
Sarvita tracks the four pillars of longevity training, based on longevity science and peer-reviewed research.
Z2
Zone 2 Cardio
3-4 sessions weekly at 45-90 minutes
Builds your aerobic base and metabolic health. The foundation of longevity fitness.
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Strength Training
2-3 sessions weekly at 45-60 minutes
Preserves muscle mass and bone density. Essential for aging well.
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VO2 Max Training
1 session weekly at 20-30 minutes
The strongest predictor of longevity. High intensity intervals that matter.
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Stability & Mobility
60 minutes total per week
Prevents falls and maintains range of motion. Often neglected but crucial.
See It In Action
Clean design. Powerful insights. Zero clutter.
Move
Weekly progress
Sar
Your AI coach
Fuel
Meal tracking
Your Data Stays Yours
Health data never leaves your device. Coach interactions are processed and immediately forgotten. Everything syncs via your personal iCloud account.
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On-Device Processing
Health data from Apple Health stays on your iPhone.
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Your iCloud
All app data syncs via your personal iCloud account.
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No AI Training
Your data is never used to train AI models.
Start Your Longevity Journey
Join thousands building healthier, longer lives with Sar as their guide.
Download Sarvita FreeAvailable on iOS. Requires iPhone with Apple Health.
Frequently Asked Questions
What is biological age and how does Sarvita calculate it? ▼
Biological age reflects how old your body really is based on fitness and health markers. Sarvita calculates it from three components: VO2 Max Age (the strongest predictor of longevity), HRV Age (nervous system resilience), and Body Composition Age, using age-percentile reference tables from population studies.
Can you actually reverse your biological age? ▼
Yes. VO2 Max, heart rate variability, and body composition are all trainable metrics. Research shows that consistent exercise — particularly Zone 2 cardio, strength training, and VO2 Max intervals — can measurably improve these markers, effectively lowering your biological age over time.
What are the four pillars of longevity training? ▼
Zone 2 Cardio (aerobic base and fat metabolism), Strength Training (muscle and bone density), VO2 Max Training (the strongest mortality predictor per JAMA 2018), and Stability Work (fall prevention and mobility). Sar builds personalized weekly plans across all four pillars, adapting to your current fitness level. As you get stronger, your plans evolve — adding volume, intensity, or new focus areas so you're always progressing, not plateauing.
Is my health data private with Sarvita? ▼
Yes. Health data from Apple Health stays on your device and is never uploaded to any server. AI coaching queries are processed and immediately discarded. All app data syncs through your personal iCloud account. Your data is never used to train AI models.
How does AI meal tracking work? ▼
Snap a photo of your meal or describe what you ate in text. Sarvita's AI analyzes it and provides an instant macro breakdown (calories, protein, carbs, fat). Weekly nutrition reports show patterns and give actionable suggestions based on your eating habits and goals.
How is Sarvita different from other apps? ▼
Most health apps focus on one thing — calorie counting, step tracking, or data collection. Sarvita is built as a complete longevity tool: it combines AI coaching across training, nutrition, and recovery — all tied to one metric, your biological age. Instead of just collecting data, Sarvita tells you what to do with it. See how we compare →