Glutathione

Tripeptide AntioxidantRx: OtcCompound: Research

Also known as: Glutathion, Glutathione, GSH, Isethion, Lycored, Reduced glutathione, Tathion, γ-L-Glutamyl-L-cysteinylglycine

Educational Only — Not medical advice. Consult a qualified clinician before using any peptide.

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Summary

Glutathione (γ‑L‑glutamyl‑L‑cysteinyl‑glycine) is a naturally occurring tripeptide that serves as a major intracellular antioxidant and detoxifying agent.

Mechanism of Action

Acts as a reducing agent, scavenging reactive oxygen species and maintaining cellular redox balance

Routes of Administration

InhalationIntravenousNasalOralSublingualTopical

Goals & Uses

  • Parkinson's disease symptom managementNeurology (investigational)Low
  • Immune function enhancementImmunologyLow
  • Cisplatin-induced peripheral neuropathy preventionOncology / NeuroprotectionModerate
  • Skin brighteningCosmeticLow
  • Antioxidant supportOxidative StressHigh
  • Skin lightening / hyperpigmentation reductionDermatology (off Label)Low
  • Acetaminophen (paracetamol) overdose adjunctToxicologyModerate
  • DetoxificationHepaticModerate
  • Antioxidant support / oxidative stress reductionGeneral Health / Cellular ProtectionModerate

Contraindications

  • Known hypersensitivity to glutathioneAllergyHigh
  • Known hypersensitivity to glutathione or formulation excipientsAllergyHigh
  • Concurrent chemotherapy regimens where GSH may reduce efficacyOncologyModerate
  • Severe asthmaRespiratoryModerate
  • Pregnancy (high-dose IV)Reproductive SafetyModerate

Adverse Effects

  • Hypersensitivity / allergic reactionsImmunologicRare
  • Injection site reactionsLocalCommon
  • HeadacheNeurologicCommonPain in the head or upper neck
  • Gastrointestinal discomfortGastrointestinalUncommon
  • Anaphylactic reactionImmuneRare
  • Skin rashDermatologicUncommon
  • Thyroid dysfunctionEndocrineRare
  • NauseaGastrointestinalCommonFeeling of sickness or urge to vomit
  • Stevens-Johnson syndrome / toxic epidermal necrolysisDermatological (severe)Rare
  • Renal dysfunction (with high-dose IV)RenalRare

Drug Interactions

  • NitroglycerinLow
  • WarfarinLow
  • Nitroglycerin / Organic nitratesLow
  • CisplatinLow
  • N-Acetylcysteine (NAC)Low
  • Chemotherapy agents (e.g., cisplatin)Moderate
  • Alkylating chemotherapy agents (e.g., cyclophosphamide, melphalan)Moderate

Population Constraints

  • Patients with cystinuria or cystine kidney stonesMetabolic / RenalRelative
  • Pediatric patientsAgeRelative
  • Patients undergoing cancer chemotherapyOncologyRelative
  • Patients with renal impairmentOrgan ImpairmentRelative
  • Pregnant womenReproductiveRelative
  • Children under 12PediatricRelative
  • Patients with asthma (nebulized route)PulmonaryRelative

Regulatory Status

  • European UnionUnapprovedRegulated as food supplement; not authorized as medicinal product
  • United StatesUnapprovedAvailable as dietary supplement; IV formulation used under investigational protocols
  • United KingdomUnapprovedClassed as a food supplement; IV use limited to clinical trials

Not approved as a prescription drug in the US; marketed as a dietary supplement and as an intravenous preparation for specific clinical uses.

Evidence & Sources

No sources recorded yet.

Frequently Asked Questions

What is Glutathione?

Glutathione (γ‑L‑glutamyl‑L‑cysteinyl‑glycine) is a naturally occurring tripeptide that serves as a major intracellular antioxidant and detoxifying agent.

What is Glutathione used for?

Glutathione is educationally associated with: Parkinson's disease symptom management, Immune function enhancement, Cisplatin-induced peripheral neuropathy prevention, Skin brightening, Antioxidant support, Skin lightening / hyperpigmentation reduction, Acetaminophen (paracetamol) overdose adjunct, Detoxification, Antioxidant support / oxidative stress reduction. Educational only — not medical advice.

How is Glutathione administered?

Recorded routes of administration: Inhalation, Intravenous, Nasal, Oral, Sublingual, Topical.

What are the potential side effects of Glutathione?

Reported adverse effects include: Hypersensitivity / allergic reactions, Injection site reactions, Headache, Gastrointestinal discomfort, Anaphylactic reaction, Skin rash, Thyroid dysfunction, Nausea, Stevens-Johnson syndrome / toxic epidermal necrolysis, Renal dysfunction (with high-dose IV). This list is not exhaustive — consult a qualified clinician.

Who should avoid Glutathione?

Recorded contraindications: Known hypersensitivity to glutathione, Known hypersensitivity to glutathione or formulation excipients, Concurrent chemotherapy regimens where GSH may reduce efficacy, Severe asthma, Pregnancy (high-dose IV). Consult a qualified clinician before use.