Last Updated: January 2026 | Version: 1.0
1. Introduction
Theorem Metabolic Limited ("we", "us", "our") is committed to protecting your privacy and handling
your personal data responsibly. This Privacy Policy explains how we collect, use, store, and share
your personal information when you use our phlebotomy and blood testing services.
We are registered in England and Wales and operate in compliance with the UK General Data Protection
Regulation (UK GDPR) and the Data Protection Act 2018.
2. Data Controller
Theorem Metabolic Limited is the data controller responsible for your personal data.
3. Information We Collect
3.1 Personal Identification Data
- Full name
- Date of birth
- Home address
- Email address
- Telephone number
3.2 Special Category (Health) Data
- Blood test results and biomarker data
- Medical history relevant to testing
- Current medications
- GP details (where provided)
- Fasting status for relevant tests
3.3 Technical Data
- IP address and browser type
- Device information
- Website usage data via cookies
4. How We Use Your Data
We process your personal data for the following purposes:
- Service Delivery: To perform phlebotomy services, process blood samples, and
deliver test results
- Communication: To contact you about appointments, results, and service updates
- Legal Compliance: To meet our regulatory and legal obligations
- Quality Assurance: To improve our services and maintain clinical standards
- Billing: To process payments and maintain financial records
5. Legal Basis for Processing
We process your data under the following legal bases:
- Consent: For health data processing and marketing communications
- Contract: To fulfil our service agreement with you
- Legal Obligation: To comply with healthcare regulations and tax laws
- Legitimate Interest: For service improvement and fraud prevention
6. Data Sharing
6.1 Laboratory Partners
We share your samples and necessary identification data with UKAS-accredited laboratories for
analysis. These laboratories are bound by strict confidentiality agreements and data protection
obligations.
6.2 Healthcare Professionals
With your explicit consent, we may share results with your GP or other healthcare providers.
6.3 We Do NOT
- Sell your personal data to third parties
- Share data with marketing companies
- Transfer data outside the UK/EEA without appropriate safeguards
7. Data Retention
We retain your data for the following periods:
- Health Records: 8 years from the date of service (in line with NHS guidelines)
- Consent Forms: 8 years from the date of consent
- Financial Records: 7 years (HMRC requirements)
- Marketing Data: Until consent is withdrawn
- Website Analytics: 26 months
8. Data Security
We implement appropriate technical and organisational measures to protect your data, including:
- Encrypted data transmission (SSL/TLS)
- Secure, access-controlled storage systems
- Staff confidentiality training
- Regular security assessments
- Physical security at our premises
9. Your Rights
Under UK GDPR, you have the following rights:
- Access: Request a copy of your personal data
- Rectification: Correct inaccurate or incomplete data
- Erasure: Request deletion of your data (subject to legal retention
requirements)
- Restriction: Limit how we process your data
- Portability: Receive your data in a structured format
- Objection: Object to certain processing activities
- Withdraw Consent: Withdraw consent at any time
To exercise these rights, contact us at info@theorem.fit. We
will respond within 30 days.
10. Cookies
Our website uses cookies to improve your experience. We use:
- Essential Cookies: Required for website functionality
- Analytics Cookies: Help us understand how visitors use our site
You can manage cookie preferences through your browser settings.
11. Complaints
If you are unhappy with how we handle your data, you have the right to lodge a complaint with the
Information Commissioner's Office (ICO):
12. Changes to This Policy
We may update this Privacy Policy periodically. Any significant changes will be communicated via
email or website notice. The "Last Updated" date at the top indicates when this policy was last
revised.