Enhancing the HT-1 Experience for All Life’s Stages

More and more people with Tyrosinemia Type 1 (HT-1) and their caregivers are discovering the independence NITYR brings to their nitisinone medication. NITYR puts your needs first.

Easy to give. Easy to take.

  • Very small, baby aspirin-sized1
  • No refrigeration requirements
  • No mealtime restrictions
  • Once-daily dosing*
  • Flexible administration options for all ages
Why NITYR Try. Compare. Decide.

Patient Stories

Read the stories of patients on their journey and what happened when they discovered NITYR.

Watch Patient Stories

Support Every Step of the Way

  • Try. Compare. Decide—With the 30-Day Free NITYR Program**
  • Patient Liaison Support
  • Patient Nutrition Program§
Patient Liaison Support Patient Nutrition Program

What I Like about NITYR

Please contact NITYR Patient Liaison Support for more information:


*For patients 5 years of age and older who have undetectable serum and urine succinylacetone concentrations after a minimum of 4 weeks on a stable dosage of nitisinone. Ask your healthcare provider about taking NITYR once per day.
**30-Day Free NITYR Program: Patients can try NITYR for 30 days, one time, for free, as long as their doctor prescribes it. Subject to terms and conditions, eligibility criteria, and other federal and state law. Terms and Conditions and eligibility criteria are available at
§Patient Nutrition Program: Subject to terms and conditions and eligibility criteria. This program is for patients with a valid prescription for NITYR issued by their physician or other HCP, or commercially insured patients on the 30 Day Free NITYR Program and is subject to other federal and state law. Terms, conditions and eligibility criteria are available at
Reference: 1. Data on file NIT/03/18