- 🎥 Demo Video
- ✨ Introduction
- ❓ What Problem Does FitBites Solve?
- 🌟 Features
- 🛠️ Technologies Used
- 🌐 Live Website
⚠️ Disclaimer
🎬 Click the thumbnail below to watch the complete demo video of FitBites on YouTube.
FitBites is an AI-powered personalized nutrition and diet web application that helps users make healthier food choices based on their personal profile, dietary preferences, and health goals.
Powered by Google Gemini 3.1 Flash Lite, FitBites generates personalized meal plans, recipe suggestions, and calorie analysis by understanding each user's health profile and nutritional requirements.
💡 The application is designed to make healthy eating simple, personalized, and easy to follow.
Many people want to eat healthier but often struggle with questions like:
- 🥗 What should I eat today?
- 🍳 Which recipe matches my diet?
- 🔥 How many calories am I eating?
- ⚖️ Is my meal nutritionally balanced?
- 🎯 Which foods will help me achieve my health goal?
FitBites solves these problems by using Artificial Intelligence to generate personalized nutrition recommendations based on each user's health profile and food choices.
Complete your health profile to unlock all AI-powered features.
- Secure authentication using Clerk.
- Users must complete their health profile before accessing the application's AI features.
- Stores important health information, including:
- First Name
- Last Name
- Age
- Gender
- Height
- Weight
- Activity Level
- Allergies
Generate a personalized one-day meal plan tailored to your health profile.
Generate a personalized one-day meal plan using:
- Name
- Age
- Gender
- Height
- Weight
- Activity Level
- Allergies
- Health Goal
- Diet Preference
- Daily Calorie Target
- Food Preferences
The generated meal plan includes:
- 🍳 Breakfast
- 🍎 Morning Snack
- 🍛 Lunch
- 🥜 Evening Snack
- 🍽️ Dinner
- 🔥 Estimated Calories
- 💪 Estimated Protein
- 🌾 Estimated Carbohydrates
- 🥑 Estimated Fat
- 📊 Total Daily Nutrition Summary
Additional features
- Automatically estimates an appropriate daily calorie target if the user enters "No Idea".
- Respects the user's allergies and food preferences.
- Generates practical, balanced meals that are easy to prepare.
- Presents the meal plan using headings and bullet points for better readability.
Receive personalized recipes that match your dietary needs and cooking preferences.
Generate a personalized recipe using:
- Name
- Age
- Gender
- Height
- Weight
- Activity Level
- Allergies
- Meal Type
- Time Available for Cooking
- Daily Calorie Target
- Ingredients to Include
- Ingredients to Exclude
Each generated recipe includes:
- 🍽️ Recipe Name
- ⏱️ Estimated Preparation Time
- 👨🍳 Estimated Cooking Time
- 🔥 Estimated Total Calories
- 🥦 Ingredients
- 📖 Step-by-step Cooking Instructions
- 💪 Estimated Protein
- 🌾 Estimated Carbohydrates
- 🥑 Estimated Fat
- 💡 Healthy Tips or Alternatives
Additional features
- Automatically estimates an appropriate calorie target if the user enters "No Idea".
- Ensures recipes respect allergies and excluded ingredients.
- Generates recipes that fit within the selected cooking time.
- Presents recipes using headings and bullet points without tables.
Analyze your meals and receive personalized nutritional feedback.
Analyze a meal using:
- Name
- Age
- Gender
- Height
- Weight
- Activity Level
- Allergies
- Meal Type
- Foods Eaten
- Portion Size of Each Food
- Approximate Total Calories
- Approximate Total Macronutrients
The AI provides:
- 🔥 Estimated Total Calories
- 💪 Estimated Total Macronutrients
- 📊 Nutritional Analysis
- ✅ Healthy Recommendations
- 📈 Areas for Improvement
- 🎯 Personalized Suggestions
Additional features
- Automatically estimates calories and macronutrients if the user enters "No Idea".
- Uses the user's complete health profile to generate personalized nutritional feedback.
- Provides practical suggestions to help improve future meals.
Every user input is validated before being sent to the AI model.
FitBites validates user inputs before sending them to the AI model.
Some of the validations include:
- Limits on the number of food preferences and ingredients.
- Character limits to keep prompts concise and meaningful.
- Validation for food count and portion sizes.
- Automatic handling of "No Idea" inputs for calorie and macronutrient estimation.
- Server-side validation using Next.js Server Actions.
Never lose track of your previous AI-generated nutrition records.
Users can view the complete history of their:
- Meal Plans
- Recipe Suggestions
- Calorie Tracking
Every history entry stores:
| 📁 Feature | 📌 Saved Information |
|---|---|
| 🍽️ Meal Planner | User Inputs, AI-generated Response |
| 🍳 Recipe Suggestion | User Inputs, AI-generated Response |
| 🔥 Calorie Tracker | User Inputs, AI-generated Response, Creation Date & Time |
This allows users to revisit previous analyses and monitor their nutrition journey over time.
| Category | Technologies |
|---|---|
| 🎨 Frontend | Next.js 16, React 19, Tailwind CSS, ShadCN UI |
| ⚙️ Backend | Next.js Server Actions, Prisma ORM |
| 🔐 Authentication | Clerk Authentication |
| 🗄️ Database | Neon PostgreSQL |
| 🤖 Artificial Intelligence | Google Gemini 3.1 Flash Lite, Google GenAI SDK |
| ☁️ Deployment | Vercel |
🚀 Try FitBites here:
🔗 https://fit-bites-prod.vercel.app/
Important
FitBites uses Google Gemini 3.1 Flash Lite to generate AI-powered meal plans, recipe suggestions, and calorie analysis.
The generated responses are intended for informational purposes only and may not always be completely accurate. They should not be considered professional medical, nutritional, or dietary advice.
While FitBites provides the prompts and user inputs to the AI model, the generated content is produced by Google Gemini. The creator of this project has no control over the responses generated by the AI model and cannot guarantee the accuracy, completeness, or suitability of every response.
Always consult a qualified healthcare professional or registered dietitian before making important health or nutrition decisions.