Best AI Tools for Diet & Nutrition Tracking

Top Paid AI Diet & Nutrition Tools

MyFitnessPal Premium

MyFitnessPal Premium elevates calorie tracking with advanced features like customizable macro goals, meal insights, and AI-powered food suggestions. Its massive food database, barcode scanner, and smart logging make it one of the most trusted platforms for nutrition tracking. Premium users benefit from nutrient breakdowns, meal timing analysis, and deeper insights into long-term trends, making it ideal for serious goal tracking and habit formation.

Lumen

Lumen uses a breath analysis device to measure real-time metabolism — helping users understand whether their body is burning fat or carbs. The companion app then uses this data to generate daily personalized meal plans, macro targets, and metabolic flexibility insights. It’s a unique AI-powered approach for those focused on optimizing fat burn, energy levels, or athletic performance through precision nutrition.

Nutrisense

Nutrisense offers a cutting-edge metabolic tracking experience by pairing continuous glucose monitoring (CGM) with AI-driven analytics. It helps users understand how specific meals affect their blood sugar in real time and provides personalized recommendations for energy, weight management, and metabolic health. With in-app nutritionist support and trend detection, it’s ideal for biohackers, athletes, or anyone managing insulin response.

Ate Food Journal

Ate is a visual journaling app focused on mindful eating and behavioral change. Instead of calorie counting, it encourages users to reflect on their food choices by snapping meal photos, noting emotions, and receiving habit-based nudges from an AI assistant. This tool is perfect for people seeking to build healthier relationships with food, reduce mindless snacking, or identify emotional eating triggers.

Fastic

Fastic is an intermittent fasting app enhanced with AI wellness coaching and holistic health tracking. It guides users through fasting windows, hydration, and clean eating habits while providing nutritional tips and motivation. The AI component tailors suggestions based on user goals and streaks, making it a supportive companion for anyone practicing fasting as part of their lifestyle or weight loss journey.

Top Free AI Diet & Nutrition Tools

MyFitnessPal (Free)

The free version of MyFitnessPal remains one of the best tools for basic food and calorie tracking. Users can log meals, scan barcodes, and track macronutrients using an expansive database. It syncs with popular fitness apps and devices, making it a great all-around solution for anyone starting their health journey without investing in a premium plan.

Cronometer

Cronometer offers detailed nutrition tracking, including vitamins, minerals, and amino acids — features rarely found in other free apps. It’s great for users with specific dietary needs, such as athletes, vegans, or those managing medical conditions. The app’s accuracy and science-backed recommendations make it a top pick for precision-focused users.

ChatGPT (Free)

ChatGPT can act as a virtual diet coach, generating personalized meal ideas, interpreting nutritional labels, or explaining the science behind different diets. While it doesn’t log food, it helps users make smarter decisions by answering questions like “What should I eat for high protein and low carbs?” or “How do I start Mediterranean-style eating?”

MacroFactor (Trial)

MacroFactor uses a dynamic algorithm to update macro targets based on weight, food intake, and metabolic response. Its free trial offers access to advanced features like adaptive calorie tracking and evidence-based coaching, allowing users to experiment with AI-guided nutrition before subscribing. It’s well suited for data-driven dieters and fitness enthusiasts.

Lose It!

Lose It! provides easy calorie tracking and goal setting in a user-friendly app. While AI insights are limited to premium users, the free version still offers food logging, visual weight charts, and meal planning basics. It’s perfect for beginners who want a simple interface to start losing weight and building awareness around their eating habits.