Terms of Service

Last Updated: February 6, 2026

By accessing and using HealthCheck, you agree to these Terms. If you do not agree, please do not use the site.

Service Description

HealthCheck provides informational calculators and educational content related to fitness, body composition, and nutrition.

Accounts and Saved Results

We offer account creation to save calculator results. Authentication is managed by Clerk, a secure third-party provider. Saved calculator results may be stored locally in your browser and, when you are signed in, synced to our database so you can access them across devices.

You are responsible for safeguarding access to your account and for the activity associated with your use of the site.

Affiliate Links and Advertising

Some pages contain affiliate links to products and services. When you make a purchase through these links, we may earn a small commission at no extra cost to you. We are a participant in the Amazon Services LLC Associates Program.

We also display advertisements through Google AdSense. These ads may use cookies to personalize content. Affiliate recommendations and advertisements do not constitute endorsements of specific medical treatments or products.

Acceptable Use

• Do not misuse, disrupt, or attempt unauthorized access to the service.
• Do not use the service for unlawful activities.
• Do not rely on calculators as medical diagnosis or treatment tools.

No Medical Relationship

Use of HealthCheck does not create a doctor-patient relationship. Content and calculator outputs are educational estimates only.

Limitation of Liability

To the fullest extent permitted by law, HealthCheck and its operators are not liable for losses or damages resulting from use of the service or reliance on site content.