Fuel your runs with precision nutrition.
Your training plan is dialed in. Your nutrition should be too. Iron for oxygen transport, B12 for energy, electrolytes for endurance, calcium for bones under stress — Açaí tracks all 245 micronutrients so you perform at your best.
Why runners need more than calorie counting
Running places extreme demands on your body. Your muscles need iron for oxygen. Your bones absorb repeated impact. You lose electrolytes through sweat. A calorie tracker can’t tell you if you’re meeting these demands — but Açaí can.
Iron depletion is silent
Runners lose iron through foot-strike hemolysis, sweat, and GI stress. Low iron means less oxygen to your muscles — and you won’t notice until your pace slows and fatigue sets in.
Under-fueling wrecks performance
Many runners under-eat, especially during high-mileage weeks. Chronic calorie deficits lead to Relative Energy Deficiency in Sport (RED-S), causing hormonal issues, bone loss, and injury risk.
Bone stress adds up
Every stride creates impact force. Calcium and vitamin D are essential for bone remodeling. Low intake — especially in combination with a calorie deficit — raises stress fracture risk significantly.
Three features built for endurance athletes
Track the 6 nutrients that determine performance
Iron (oxygen delivery), B12 (energy metabolism), sodium and potassium (electrolytes lost in sweat), calcium (bone protection), and vitamin D (bone remodeling + immunity). Açaí tracks all six, every day, for every meal.
Weekly dashboards with color-coded indicators (red, yellow, green) show whether you’re hitting targets. Iron trending yellow during a high-mileage week? Now you know to prioritize iron-rich meals before it impacts your race prep.
Real-time deficit tracker — know if you’re fueled
Runners burn far more than sedentary people — but how do you know if you’ve eaten enough? Açaí’s live deficit tracker shows your running calorie balance throughout the day, including continuous BMR tracking.
The projected end-of-day indicator answers the critical question: “Am I fueled enough for tomorrow’s run, or am I digging a recovery hole?” Under-fueling is the most common nutrition mistake in distance running — and Açaí makes it visible before it becomes a problem.
AI food scanning — log meals in 3 seconds
You already track your mileage, pace, heart rate, and sleep. Nutrition shouldn’t be the one that takes forever. Snap a photo of your meal, and Açaí’s AI returns calories, macros, and 245 micronutrients in seconds.
Post-run recovery bowl, pre-race pasta dinner, mid-training snack — it handles complex meals without manual logging. The faster it is, the more consistently you’ll track. And for runners, consistency reveals patterns that occasional tracking never will.
The 6 nutrients every runner needs to track
Iron
The oxygen carrier. Iron forms the core of hemoglobin, delivering O2 to working muscles. Runners lose iron through foot-strike hemolysis, sweat, and GI stress — making consistent intake tracking essential.
Vitamin B12
The energy molecule. B12 is critical for red blood cell production and energy metabolism. Low B12 means fewer red blood cells, less oxygen delivery, and persistent fatigue that training can’t overcome.
Sodium & Potassium
The sweat electrolytes. A single hour of hard running can lose 500-1500mg of sodium. Potassium works alongside it for muscle contraction and nerve signaling. Depletion causes cramps and bonking.
Calcium
The bone protector. Runners absorb repetitive impact with every stride. Calcium is essential for bone remodeling and repair. Low calcium + high training volume = stress fracture risk.
Vitamin D
The calcium activator. Without adequate vitamin D, your body can’t properly absorb calcium. It also supports immune function — critical when training suppresses immunity during peak mileage weeks.
Carbohydrates
The primary fuel. Glycogen stores power your runs. Açaí tracks total carbs, fiber, and sugars per meal so you can time your fueling — loading before long runs and replenishing after hard sessions.
Açaí tracks all 6 of these nutrients plus 239 more — 245 total micronutrients from every meal you scan. Your weekly dashboard shows exactly where your runner’s diet excels and where it falls short.
Built for athletes, not just dieters
| Feature | Açaí | Typical Trackers |
|---|---|---|
| Micronutrients tracked | 245 (every vitamin, mineral, amino acid) | 15-20 at most |
| Iron tracking | Daily intake + weekly trend analysis | Often missing entirely |
| Electrolyte tracking | Sodium, potassium, magnesium — daily | Not available |
| Food logging method | AI photo scan (3 seconds) | Manual search / barcode |
| Calorie deficit tracking | Real-time with live BMR + end-of-day projection | Static daily budget |
| Bone nutrient tracking | Calcium + vitamin D with trend analysis | Basic calcium at most |
| Deficiency alerts | Weekly color-coded dashboard | Not available |
Run faster, recover smarter.
Download Açaí free and start tracking iron, electrolytes, calcium, vitamin D, and 241 more micronutrients. Your training deserves nutrition data that’s just as precise.