Ingredient

L-Lysine Hydrochloride

L-lysine hydrochloride is used as an essential amino acid supplement for enhancing physical strength and improving nerve function.

All medicines
57
Combination
57
Prescription medication
38
OTC medication
19

MFDS ingredient code M222998

What does it do?

L-lysine hydrochloride is the hydrochloride form of the essential amino acid lysine, playing a crucial role in protein synthesis and the maintenance of nerve function in the body. It is primarily used for nutritional supplementation and improving central nervous system function.

This ingredient supplies lysine, which is necessary for protein synthesis in the body, helping in the recovery of muscles and tissues. It also supports the function of nerve cells, contributing to the maintenance of central nervous system health.

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

Good to know

Unlike simple amino acid supplements, L-lysine hydrochloride is highly stable in its hydrochloride form, making it easily absorbed in the body. A distinguishing feature is that, as an essential amino acid, it must be obtained from external sources.

Medicines containing this ingredient

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

Category
Dosage form
Strength
Category

57 total

View more

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

  • QWhy is L-Lysine hydrochloride included in the medication?

    L-Lysine hydrochloride is the hydrochloride form of the essential amino acid lysine. Essential amino acids must be obtained from external sources, and this ingredient is used for nutritional supplementation and improving central nervous system function to aid in protein synthesis and the maintenance of nerve 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.