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L-cystine

INDICATIONS: Support of fingernails, hair and skin.

Sold without prescription in some countries Oral

How to use L-cystine

Ce que dit la notice officielle. Si un médecin vous l'a prescrit, suivez l'ordonnance. La notice de votre boîte prime si elle est différente.

Pour qui

INDICATIONS: Support of fingernails, hair and skin.

Comment le prendre et à quelle fréquence
  • 2-4 sprays topically or orally
  • Contact a physician for use in children under 12 years of age
Warnings

Do not get into eyes. If pregnant or breast-feeding , ask a health care professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away. Do not use if tamper evident seal is broken or missing. Store in cool, dry place.

How to store it

Keep out of reach of children.

En cas d'oubli

Prenez-le dès que vous y pensez, sauf s'il est presque l'heure de la dose suivante. Dans ce cas, sautez la dose oubliée. Ne prenez jamais deux doses à la fois pour compenser. Vérifiez votre notice, certains médicaments font exception.

From the official U.S. FDA label for this active ingredient. Your pack may have a different strength, so always read its leaflet. If a doctor prescribed it, follow the prescription. Ask a pharmacist if you are unsure. Label dated 2026-01-09.

Marques dans le monde

Products with L-cystine as the active ingredient. Names differ between countries.

Registered products

United States (FDA)

E.o.l.STILLINGIA SYLVATICA ROOT 3 [hp_X]/mL, ZINC GLUCONATE 3 [hp_X]/mL, THIAMINE HYDROCHLORIDE 4 [hp_X]/mL · Spray · InLight Creation, LLC.
NDC 53405-0008Label
L-cystineCYSTINE 1 kg/kg · Powder · PharmaZell GmbH
NDC 12598-7298Label
L-cystine DihydrochlorideCYSTINE DIHYDROCHLORIDE 1 kg/kg · Powder · Ajinomoto Health & Nutrition North America, Inc.
NDC 51495-911Label

Nigeria (NAFDAC)

NAFDACImmunal Tablets## (strength format) 04-5455

Other countries: check your pack's registration number and we point you to your regulator.

Check your pack of L-cystine

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Encore 3 vérifications gratuites aujourd'hui Sources officielles : FDA américaine · EMA (UE) · NAFDAC · alertes OMS

Questions about L-cystine

What is L-cystine used for?

INDICATIONS: Support of fingernails, hair and skin. (From the official U.S. FDA label.)

How do I take L-cystine?

Follow your prescription or the leaflet in your pack. The official label says: 2-4 sprays topically or orally. Contact a physician for use in children under 12 years of age.…

Do I need a prescription for L-cystine?

In many countries L-cystine is sold without a prescription in some strengths. Rules differ by country, so ask a pharmacist.

What brands contain L-cystine?

L-cystine is sold under names such as E.o.l.. Brand names differ between countries.

How can I check that my L-cystine is genuine?

Scan the registration number on your pack with PillVera (NAFDAC number in Nigeria, NDC in the United States, DIN in Canada), check the expiry date and buy only from licensed pharmacies.