Prescription medicine
Acetyl l-tyrosine, alanine and 15 other ingredients Brand names: Aminosyn
Acetyl l-tyrosine, alanine and 15 other ingredients (Aminosyn) is a prescription medicine. No generic is listed in FDA's NDC Directory.
- No generic listed
- Boxed warning
Check it at the source: the acetyl l-tyrosine, alanine and 15 other ingredients FDA label on DailyMed (effective November 2, 2025); every acetyl l-tyrosine, alanine and 15 other ingredients label on DailyMed.
Highlights of the record
FDA label of November 2, 2025; NDC Directory, Drugs@FDA and Orange Book, October 8, 2026
Pharmacy Bulk Package – Not For Direct Infusion.
Used for
From the label: indications and usageAminosyn II, Sulfite-Free, (an amino acid injection) infused with dextrose by peripheral vein infusion is indicated as a source of nitrogen in the nutritional support of patients with adequate stores of body fat, in whom, for short periods of time, oral nutrition cannot be tolerated, is undesirable, or inadequate.
Forms and strengths
- 660 mg/100ml / 1000 mg/100ml / 1050 mg/100ml / 172 mg/100ml / 298 mg/100ml / 400 mg/100ml / 200 mg/100ml / 500 mg/100ml / 993 mg/100ml / 1018 mg/100ml / 700 mg/100ml / 738 mg/100ml / 300 mg/100ml / 722 mg/100ml / 530 mg/100ml / 270 mg/100ml / 500 mg/100ml
- 990 mg/100ml / 1500 mg/100ml / 1575 mg/100ml / 258 mg/100ml / 447 mg/100ml / 600 mg/100ml / 300 mg/100ml / 750 mg/100ml / 1490 mg/100ml / 1527 mg/100ml / 1050 mg/100ml / 1107 mg/100ml / 450 mg/100ml / 1083 mg/100ml / 795 mg/100ml / 405 mg/100ml / 750 mg/100ml
Injection (solution).
On the market
- Generic approvals
- No generic approved
- Labelers listed (NDC)
- 1 of which 0 under generic applications, 1 under brand applications, repackagers included
Supply and safety
- Pharmacy cost (NADAC)
- Not in the survey
- Shortage (FDA)
- None current 2 past records
- Recalls by its makers (FDA)
- No recall recorded
- FAERS reports
- 4 through July 30, 2026
What is acetyl l-tyrosine, alanine and 15 other ingredients used for?
From the label: indications and usageAminosyn II, Sulfite-Free, (an amino acid injection) infused with dextrose by peripheral vein infusion is indicated as a source of nitrogen in the nutritional support of patients with adequate stores of body fat, in whom, for short periods of time, oral nutrition cannot be tolerated, is undesirable, or inadequate. SUPPLEMENTAL ELECTROLYTES, IN ACCORDANCE WITH THE PRESCRIPTION OF THE ATTENDING PHYSICIAN, MUST BE ADDED TO AMINOSYN II SOLUTIONS WITHOUT ELECTROLYTES. Aminosyn II can be administered peripherally with dilute (5 to 10%) dextrose solution and I.V. fat emulsion as a source of nutritional support. […]
FDA pharmacologic class: Amino Acid.
Source: FDA drug label (Aminosyn II), ICU Medical Inc., effective November 2, 2025 (SPL set 5b426208-f090-4650-86c3-89040ba45c2d), via openFDA; the full label on DailyMed
Is there a generic for acetyl l-tyrosine, alanine and 15 other ingredients (Aminosyn)?
No generic acetyl l-tyrosine, alanine and 15 other ingredients is approved (Drugs@FDA, October 8, 2026).
Source: Drugs@FDA, FDA NDC Directory and the Orange Book (openFDA bulk files, October 8, 2026)
Is acetyl l-tyrosine, alanine and 15 other ingredients in shortage?
No acetyl l-tyrosine, alanine and 15 other ingredients presentation is listed as limited or unavailable in the FDA Drug Shortage Database (read October 8, 2026); it keeps 2 current entries listed as available (updated October 1, 2026). ASHP keeps a separate shortage list, which can differ.
| Presentation | Company | Status | Updated |
|---|---|---|---|
| Aminosyn II 10% In Plastic Container, Injection, 0.1 (NDC 0990-7172-17) | Otsuka ICU Medical LLC | Current | October 1, 2026 |
| Aminosyn II 15% In Plastic Container, Injection, 0.15 (NDC 0990-7171-17) | Otsuka ICU Medical LLC | Current | October 1, 2026 |
Every acetyl l-tyrosine, alanine and 15 other ingredients presentation in the FDA shortage database
Source: FDA Drug Shortage Database via openFDA, updated October 8, 2026
What does the acetyl l-tyrosine, alanine and 15 other ingredients label say about other medicines?
The acetyl l-tyrosine, alanine and 15 other ingredients label names 1 other medicine in its interaction, contraindication or warning sections. The sentences are the labels' own; a label lists what its studies and reports found, not every interaction.
| Medicine named | Section | What the label says |
|---|---|---|
| Tetracycline | drug interactions | Drug Interactions Because of its antianabolic activity, concurrent administration of tetracycline may reduce the potential effects of amino acids infused with dextrose as part of a parenteral feeding regimen. |
Check acetyl l-tyrosine, alanine and 15 other ingredients against other medicines
Source: FDA drug label (Aminosyn II), ICU Medical Inc., effective November 2, 2025 (SPL set 5b426208-f090-4650-86c3-89040ba45c2d), via openFDA; the full label on DailyMed
What do FAERS reports show for acetyl l-tyrosine, alanine and 15 other ingredients?
The FDA Adverse Event Reporting System holds 4 reports that list acetyl l-tyrosine, alanine and 15 other ingredients among the medicines taken, through July 30, 2026, each a report of something that happened, not proof the medicine caused it; 0 are coded as a death and 0 as a hospital stay. Counts follow how widely a medicine is used and watched, and they are not a measure of how risky it is.
The most reported reactions
Source: FDA Adverse Event Reporting System (FAERS) via openFDA, reports through July 30, 2026
What next?
- Other amino acids
- the pharmacologic class, with prices and generics
- Acetyl l-tyrosine, alanine and 15 other ingredients side effects
- the label's list beside FAERS reports
- Acetyl l-tyrosine, alanine and 15 other ingredients shortage record
- every presentation, company and date
- Check an interaction
- what two or more labels say about each other