Ingredient

L-Tyrosine

L-Tyrosine is an amino acid supplement ingredient that supports blood and hematopoietic function.

All medicines
67
Combination
67
Prescription medication
67

MFDS ingredient code M214313

What does it do?

L-Tyrosine is one of the non-essential amino acids that make up proteins, serving as a precursor for various bioactive substances in the body. In pharmaceuticals, it is mainly used to support blood and hematopoietic functions, particularly contributing to the synthesis of proteins necessary for hematopoiesis.

L-Tyrosine is used in the body for protein synthesis, providing essential materials for blood cell production. It also acts as a precursor for neurotransmitters and hormones, helping to maintain overall bodily functions. This supports the health of blood and hematopoietic organs.

Approved uses differ by product. Check each product's information for its actual use.

Good to know

L-Tyrosine is characterized by its involvement in the synthesis of neurotransmitters, unlike other amino acids. It is specialized in assisting blood and hematopoietic functions, distinguishing it from simple nutritional supplements. This makes it a selected ingredient in certain pharmaceuticals aimed at improving hematopoietic functions.

Medicines containing this ingredient

Even with the same ingredient, strength, dosage form and how it is taken can differ.

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Dosage form
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67 total

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Even with the same ingredient, dosage and approved uses can differ by strength, dosage form and combined ingredients. Check each product's information before taking it.

Combined ingredients

Ingredients used together with this ingredient in combination products.

Questions about this ingredient

  • QHow much of this medication should I take?

    L-Tyrosine is an ingredient found in various products, so dosages and durations differ between products. Please follow the instructions for the product you have, and if you are curious about taking it over a long period, consult your pharmacist or doctor.

    Answers 1 · 2026.09.14

  • QIsn't an amino acid the same as a nutritional supplement?

    The explanatory material distinguishes L-Tyrosine from simple nutritional supplements, stating that it also acts as a precursor for neurotransmitters and hormones, and is used for hematopoietic function support in certain pharmaceuticals. If you plan to take it with supplements, please check with your pharmacist for any overlapping ingredients.

    Answers 1 · 2026.09.14

  • QWhat kind of ingredient is L-tyrosine?

    L-Tyrosine is one of the non-essential amino acids that form proteins. It acts as a precursor for various physiologically active substances in the body and is mainly used in pharmaceuticals to support blood and hematopoietic function.

    Answers 1 · 2026.09.14

For anything that needs medical judgment, consult a doctor or pharmacist.

SourceKorea Ministry of Food and Drug Safety (Drug Safety Korea)

This drug information is based on data provided by the Korea Ministry of Food and Drug Safety.
Consult a doctor or pharmacist for accurate dosage, administration, and usage instructions.