Last reviewed 2026-04-20 · How we verify

N-Acetyl-Tyrosine (N-Acetyltyrosine)

N-Acetyltyrosine is a marketed nutritional supplement used for short-term nutritional support via peripheral vein, currently without a dominant market position or notable revenue figures. Its key strength lies in its mechanism of action, providing essential building blocks for protein synthesis to support overall health and well-being. The primary risk is the key composition patent expiry in 2028, which could lead to increased competition from generic alternatives.

At a glance

Approved indications

• Short-term nutritional support via peripheral vein
• Nutritional support in stress conditions
• Prevent or reverse negative nitrogen balance via central vein

Boxed warnings

• Pharmacy Bulk Package – Not For Direct Infusion.

Common side effects

• Nausea
• Generalized flushing
• Fever
• Local venous irritation

Drug interactions

• tetracycline

Key clinical trials

• Effects of a Pre-Workout Dietary Supplement on Training Adaptations (NA)

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:

• N-Acetyl-Tyrosine CI brief — competitive landscape report
• N-Acetyl-Tyrosine updates RSS · CI watch RSS
• portfolio CI