1 What is Aminosyn?

Brand: Aminosyn

Generic: Amino Acids

Aminosyn is a crystalline amino acid solution which is to be given through peripheral vein infusion as a source of nitrogen in the nutritional support of patients who cannot take in nutrients from oral food.

Aminosyn can be administered through a peripheral vein with dilute (5 to 10%) dextrose solution and I.V. fat emulsion as a source of nutritional support. This form of nutritional support can help to preserve protein and reduce catabolism in stress conditions where oral intake is inadequate.

Aminosyn contains the following amino acids:

  • Alanine
  • Arginine
  • Glycine
  • Histidine
  • Isoleucine
  • Leucine
  • Lysine acetate
  • Methionine
  • Phenylalanine
  • Proline
  • Serine
  • Threonine
  • Tryptophan
  • Tyrosine
  • Valine


You should read the product information leaflet before using this medication. If you have any questions, ask your doctor or pharmacist.

Your dosage is based on your medical condition and the way you will respond to treatment. This drug is given through peripheral vein infusion by a health care professional.


Aminosyn may interact with medications such as tetracycline. Inform your doctor if you are using prescription drugs, non-prescription drugs and herbal supplements aside from Aminosyn.

Side Effects

There are no side effects known aside from a possible allergic reaction in people who have previous or unknown hypersensitivity to the drug.

Watch out for signs of allergic reactions such as:

  • Rash
  • Itching
  • Swelling


Before taking this medication, tell your doctor or pharmacist if you have the following:

  • Allergy to amino acids or other allergies
  • Diabetes or Pre-diabetes
  • Kidney disease
  • Lung problems
  • Cardiac problems
  • Electrolyte imbalances