MedPath

Cystine

Generic Name
Cystine
Drug Type
Small Molecule
Chemical Formula
C6H12N2O4S2
CAS Number
56-89-3
Unique Ingredient Identifier
48TCX9A1VT

Overview

A covalently linked dimeric nonessential amino acid formed by the oxidation of cysteine. Two molecules of cysteine are joined together by a disulfide bridge to form cystine.

Indication

It has been claimed that L-cysteine has anti-inflammatory properties, that it can protect against various toxins, and that it might be helpful in osteoarthritis and rheumatoid arthritis. More research will have to be done before L-cysteine can be indicated for any of these conditions. Research to date has mostly been in animal models.

Associated Conditions

  • Acne
  • Alopecia
  • Atrophic dermatitis
  • Hair Damage
  • Hair growth abnormal
  • Nail growth abnormal
  • Psoriasis

Clinical Trials

FDA Drug Approvals

Approved Product
Manufacturer
NDC Code
Route
Strength
Effective Date
No FDA approvals found for this drug.

EMA Drug Approvals

Approved Product
Authorization Holder
Status
Issued Date
No EMA approvals found for this drug.

HSA Drug Approvals

Approved Product
Manufacturer
Approval Number
Dosage Form
Strength
Approval Date
No HSA approvals found for this drug.

NMPA Drug Approvals

Approved Product
Company
Approval Number
Drug Type
Dosage Form
Approval Date
No NMPA approvals found for this drug.

PPB Drug Approvals

Approved Product
Registration No.
Company
Licence No.
Strength
Registration Date
PANTOGAR CAP
N/A
N/A
N/A
4/17/2002

TGA Drug Approvals

Approved Product
ARTG ID
Sponsor
Registration Type
Status
Registration Date
USANA Hepa+
330959
Medicine
A
3/10/2020
Wonderlab Liver Detox
411271
Medicine
A
6/26/2023

Health Canada Drug Approvals

Approved Product
Company
DIN
Dosage Form
Strength
Market Date
AMINO-CERV
milex, a coopersurgical co.
00137464
Cream - Vaginal
0.354 %
12/31/1952

CIMA AEMPS Drug Approvals

Approved Product
Company
Registration Number
Pharmaceutical Form
Prescription Type
Status
VAMIN 18 SIN ELECTROLITOS SOLUCION PARA PERFUSION
Fresenius Kabi España, S.A.U.
59878
SOLUCIÓN PARA PERFUSIÓN
Uso Hospitalario
Commercialized
VAMIN 14 SIN ELECTROLITOS SOLUCION PARA PERFUSION
Fresenius Kabi España, S.A.U.
59885
SOLUCIÓN PARA PERFUSIÓN
Uso Hospitalario
Commercialized
CRECIL 500 mg CAPSULAS DURAS
Laboratorios Vinas S.A.
57896
CÁPSULA DURA
Sin Receta
Commercialized
CISTINA 250 mg COMPRIMIDOS
La Quimica Medica S.A.
32621
COMPRIMIDO
Sin Receta
Commercialized

Philippines FDA Drug Approvals

Approved Product
Company
License Number
Dosage Form
Strength
Approval Date
No Philippines FDA approvals found for this drug.

Saudi SFDA Drug Approvals

Approved Product
Company
License Number
Dosage Form
Strength
Approval Date
No Saudi SFDA approvals found for this drug.

Malaysia NPRA Drug Approvals

Approved Product
Company
Registration Number
Dosage Form
Strength
Approval Date
No Malaysia NPRA approvals found for this drug.

UK EMC Drug Information

Medicine Name
MA Holder
MA Number
Pharmaceutical Form
Active Ingredient
Authorization Date
No UK EMC drug information found for this drug.

Help Us Improve

Your feedback helps us provide better drug information and insights.

MedPath

Empowering clinical research with data-driven insights and AI-powered tools.

© 2025 MedPath, Inc. All rights reserved.