Nutrition on Your Wrist
Apple Watch Calorie & Allergen Tracker
Track calories, macros, and allergen alerts directly from your Apple Watch. Log meals, check today's nutrition, and get histamine or gluten warnings — all without touching your iPhone.
The Only Nutrition App with Histamine & Celiac Alerts on Apple Watch
Most Apple Watch nutrition apps only show calories. JustAddTofu surfaces what matters most for your health — allergen safety, histamine levels, and gluten warnings — right on your wrist.
Apple Watch Features
Glanceable Daily Nutrition Summary
See today's calorie intake, macro breakdown (protein, carbs, fat), and progress toward your goals directly on your Watch face with a single raise of the wrist.
Quick Meal Logging From Your Wrist
Log your most recent meals from Apple Watch using pre-set favorites or recent entries. No need to pull out your iPhone — ideal for meals at the gym, at work, or on the go.
Histamine & Gluten Alerts on Wrist
Get a haptic tap whenever you log a high-histamine food or detect hidden gluten. Critical for managing celiac disease, histamine intolerance, or MCAS without breaking flow.
Watch Face Complication
Add JustAddTofu as a Watch face complication to see today's calorie count at a glance in modular, circular, or infograph complication slots on any Watch face.
Workout Nutrition Awareness
See your nutrition stats during Apple Fitness workouts. Know your pre- and post-workout fueling at a glance, synced with Apple Health activity data.
Private & Offline-Ready
All Watch data processes locally — no cloud account, no internet required to view your stats. Your health data stays on your devices only.
Complete Apple Watch Nutrition Tracking
Your Apple Watch becomes a proactive nutrition and safety companion — not just a passive display.
⌚ Compatible with Series 4 and Later
Works on Apple Watch Series 4, 5, 6, 7, 8, 9, 10, SE, and Ultra. Full complication support on watchOS 7 and later.
🍎 Apple Health Integration
Nutrition data syncs bidirectionally with Apple Health. Calories from Watch workouts and activity rings inform your daily nutrition goals automatically.
🌿 Histamine Levels on Wrist
When logging on iPhone, Watch vibrates for high-histamine, histamine-liberating, or DAO-inhibiting foods. Essential for managing HIT and MCAS day-to-day.
🌾 Celiac Cross-Contamination Alerts
Hidden gluten detection extends to Watch notifications. Get a wrist tap when a logged food contains wheat derivatives, malt, or cross-contamination risks.
🗣️ Siri Shortcuts for Watch
Use Siri on Apple Watch to add meals: "Hey Siri, log a banana" — JustAddTofu interprets and records it without any screen taps.
📱 Full Analysis on iPhone
Everything logged on Apple Watch syncs instantly to your iPhone for the complete breakdown: micros, vitamins, minerals, glycemic index, allergens, and dietary compatibility.
Apple Watch Nutrition Tracker FAQ
Which Apple Watch models are supported?
JustAddTofu's Apple Watch app works on Series 4 and later running watchOS 7 or newer. This includes Series 4, 5, 6, 7, 8, 9, 10, SE (1st and 2nd gen), Ultra, and Ultra 2.
Can I log meals from my Watch without my iPhone nearby?
Yes — you can log from recent entries or favorites on your Watch independently. For voice or photo logging, your iPhone processes the AI analysis, which then syncs back to your Watch automatically.
Does it show allergen warnings on the Watch?
Yes. When a meal is logged (from iPhone or Watch), the Watch delivers a haptic alert for any detected allergens you've flagged — including gluten, histamine, dairy, nuts, soy, and more.
How does it work with Apple Health?
JustAddTofu writes calorie, macro, and micronutrient data to Apple Health automatically. It also reads activity data to help you understand your nutrition relative to how active you've been.
Can I see histamine and celiac information on Apple Watch?
Yes. Histamine ratings and gluten alerts are surfaced as Watch notifications and in the Watch app summary. You can see your cumulative histamine load for the day and get immediate alerts on dangerous foods.
Is the Apple Watch app free?
Yes — the Apple Watch companion app is included free with JustAddTofu for iPhone. No additional purchase or subscription is required to use it.
