AssessmentDoctor approvalDelivery

The Castill
operating system.

Three simple steps from online assessment to doctor-approved treatment delivered to your door.

Online Assessment
Doctor Reviewed
Delivered to You
  1. 01

    Assessment

    Answer a few doctor-designed questions about your health, goals, and history.

    Step 1 of 3
  2. 02

    Doctor approval

    A licensed physician reviews your answers and confirms the right plan for you.

    Step 2 of 3
  3. 03

    Delivery

    Your treatment is prepared and shipped discreetly to your door.

    Step 3 of 3

Ready to begin?

Start with a short health assessment. Most patients complete it in under 10 minutes.

Start Your Assessment