Privacy Policy

Last Updated: February 2026

1. Introduction

Dietary Signals ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our Metabolic Health Intelligence Platform — designed to deliver personalized metabolic clarity for people managing wellness, athletic performance, prediabetes, type 2 diabetes, or GLP-1 medication support.

2. Information We Collect

We collect several types of information to provide and improve our service:

2.1 Personal Information

• Full name
• Email address
• Password (encrypted)
• Health persona (Wellness, Athletic, Pre-Diabetic, Diabetic, or GLP-1 User)
• A1C level (if provided)
• Age (for age-adjusted protein targets)

2.2 Health Data

• Dietary preferences and restrictions
• Meal history and food choices
• Blood glucose data from Apple HealthKit (CGM devices like Dexcom G7, Abbott Libre 3 Plus)
• Blood glucose readings (manually entered BGM data)
• GLP-1 medication tracking (injection logs, side effects, dose titration)
• Sleep and stress data (if synced from Apple Health)
• Health goals and targets

2.3 Usage Data

• App features used
• Meal scans and queries
• Search history
• App interactions and preferences

2.4 Device Information

• Device type and model
• Operating system version
• Unique device identifiers
• Mobile network information

3. How We Use Your Information

• Deliver personalized metabolic clarity based on your health profile and goals
• Analyze metabolic signals, pattern correlations, and Gut-Metabolic Health Score of foods
• Sync and display CGM/BGM data from Apple HealthKit for deeper metabolic pattern insights
• Track GLP-1 medication schedules and provide muscle preservation guidance
• Generate clinical reports (PDF) for sharing with healthcare providers
• Improve and optimize app functionality
• Send important notifications about your account or app updates
• Respond to your questions and support requests
• Comply with legal obligations and protect against fraud

4. AI-Powered Features

Dietary Signals provides intelligent features, including interactive metabolic guidance, to help users better understand their metabolic patterns and build lasting clarity.

4.1 Information We Process

When you use these features, we may process:

• The content of messages you submit
• Technical metadata associated with your interaction (such as timestamps or session identifiers)

We use this information to:

• Generate responses
• Operate, maintain, and improve our services
• Monitor for misuse, abuse, or security issues

4.2 Third-Party AI Processing

Metabolic intelligence interactions may be processed by third-party service providers acting on our behalf. These providers process data solely to deliver the requested functionality and are subject to contractual and technical safeguards.

4.3 Data Protection & Safeguards

We implement technical and organizational measures designed to protect information processed through our services, including AI-powered features. These measures are intended to prevent unauthorized access, misuse, and excessive or abusive activity.

4.4 Health Disclaimer

Metabolic insights and suggestions are provided for informational and educational purposes only and are not a substitute for professional medical advice, diagnosis, or treatment.

5. Data Storage and Security

We implement industry-standard security measures to protect your data:

• All data is encrypted in transit using SSL/TLS protocols
• Passwords are hashed and never stored in plain text
• Data is stored securely using Supabase (PostgreSQL database)
• Access to personal data is restricted to authorized personnel only
• Regular security audits and updates

6. Data Sharing

We do not sell your personal data to third parties.

We may share your data with:

• Supabase: Backend infrastructure and database hosting
• Third-party AI service providers: Meal signal analysis (meal photos and descriptions only, no personal identifiers)
• Apple HealthKit: We read glucose data from HealthKit with your explicit permission. We do not write data back to HealthKit.
• Sentry: Error monitoring to improve app stability (no personal health data)
• Legal authorities: When required by law or to protect our rights

7. Your Privacy Rights

You have the following rights regarding your personal data:

• Access: Request a copy of your personal data
• Correction: Update or correct inaccurate information
• Deletion: Request deletion of your account and all associated data
• Portability: Receive your data in a structured, machine-readable format
• Withdrawal: Withdraw consent for data processing at any time
• Object: Object to processing of your personal data

8. Data Retention

• Active accounts: Data retained while your account is active
• Deleted accounts: Data permanently deleted within 30 days of account deletion
• Legal requirements: Some data may be retained longer if required by law
• Anonymized data: Usage statistics may be retained in anonymized form

9. Children's Privacy

Dietary Signals is not intended for use by children under 13 years of age. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us to have it removed.

10. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. We ensure appropriate safeguards are in place to protect your data in accordance with this Privacy Policy and applicable laws.

11. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any significant changes by:

• Posting the new Privacy Policy in the app and on this website
• Updating the "Last Updated" date
• Sending an email notification for material changes
• Requiring re-acceptance for significant changes

12. Contact Us

If you have questions about this Privacy Policy or our data practices, please contact us:

By using Dietary Signals, you acknowledge that you have read and understood this Privacy Policy.