Sinchi Lab

Terms of Service

Effective Date: April 19, 2026 · Version 1.1

Sinchi Lab LLC (“we,” “our,” or “us”) operates this website and the following products: VitaK. These Terms of Service govern your use of our website and any current or future products we offer. Additional products may be added in the future and these terms will be updated accordingly.

1. Medical Disclaimer

VitaK is not a medical device and does not provide medical advice, diagnosis, or treatment recommendations.

The information displayed in this app—including nutritional estimates, Vitamin K content, and health summaries—is for informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment.

Always consult your healthcare provider before making any decisions about your anticoagulant therapy, medication dosage, or diet. Do not disregard professional medical advice or delay seeking it because of information presented in this app.

If you are experiencing a medical emergency, call your local emergency number immediately.

2. AI Accuracy Limitations

VitaK uses artificial intelligence (Anthropic Claude) to analyze food photographs and estimate nutritional content, including Vitamin K levels. These AI-generated estimates:

AI estimates are clearly marked in the app with “(est.)” labels. Users are encouraged to verify nutritional values with a healthcare professional or registered dietitian, especially for foods high in Vitamin K.

3. Anticoagulant-Specific Warning

VitaK is designed for patients taking warfarin, acenocoumarol, or similar anticoagulant medications. Vitamin K intake can significantly affect how these medications work.

Do not adjust your medication dosage based solely on information from this app. Medication adjustments should only be made under the direct supervision of your prescribing physician, based on INR lab results and clinical evaluation.

The food tracking and Vitamin K estimates in this app are intended to help you maintain awareness of your dietary patterns—not to replace medical guidance.

4. Service Description

VitaK is a health tracking application that helps users:

The app is available as a Progressive Web App (PWA) accessible through a web browser.

5. User Responsibilities

By using our products, you agree that:

6. Limitation of Liability

Our products and this website are provided on an “as is” and “as available” basis, without warranties of any kind, either express or implied, including but not limited to implied warranties of merchantability, fitness for a particular purpose, or non-infringement.

To the fullest extent permitted by applicable law:

You use our products at your own risk.

7. Changes to Terms

We may update these Terms of Service from time to time. When we make material changes, we will:

Your continued use of our website and products after receiving notice of changes constitutes acceptance of the updated terms.

8. Contact

For questions about these Terms of Service: