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A nutrition companion for endurance athletes

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Hey HN!6 Months ago I soft launched https://mavr.app/, an IOS companion app for any endurance athletes nutrition.Over the 6 month period we valid some of our key features: 1) Gut training during training your training block, making sure you can handle the carbs during your race 2) Performance focused meal planning. Making sure you can get everything our of your key sessions and recovery optimal 3) Race aware fueling plans. Making sure your fueling plan is efficient and planned specifically for your race course with our 1k+ race course library.We've been aiming for a slow takeoff, so we still had room to tweak the app together with some top athletes in their sport.In the meantime 30+ athletes completed a race with Mavr. All reporting a 20-30% performance gain during their training block and around an 8-15% gain during their race.Happy to chat more about nutrition and endurance sports! Let me know if you have any questions, ideas or feature requests!

HN · launched Aug 16, 2026 · 6 upvotes (top 69%) · 0 views

Niche: calorie and nutrition tracking apps · 116 launches, 9 in the last 7 days ▼ -31% · Explore this niche →

Category and tags
  • Healthcare
  • Vertical SaaS
  • B2C
  • Not AI
  • Commercial product

Source listing ↗

More like this: all 116 launches in calorie and nutrition tracking apps →

Could you build this?

No Building an endurance sports nutrition app focused on gut training and race fueling requires deep, specialized sports science and clinical nutrition expertise to avoid athlete illness or severe GI distress.

What it would actually take: The system would require a mobile client (Swift/Flutter) integrated with health APIs (Apple HealthKit, Garmin Health) to ingest workout duration, intensity, and heart rate zones. The hard part is the underlying physiological calculation engine that plans carbohydrate intake (e.g., scaling from 60g/hr to 90-120g/hr) and gut-adaptation protocols tailored to individual gastrointestinal tolerance. This requires verified sports dietetics datasets and clinical nutrition domain experts to design safe, evidence-based fueling algorithms.

Discussion

2 comments analyzed.

Concerns raised: % gain is self-reported with selection bias from survey respondents, Results may reflect users who already lacked serious nutrition discipline

Feature requests: Better tracking methodology for performance gains (controlled before/after), Clearer explanation or guidance on gut training process

Competitors

Other products that read as similar to this one : 321 launches clear the similarity bar, closest 8 shown.

Attention rank: #273 of 322 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 275 days after the earliest competitor.

Related data

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