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For research and educational purposes only. Not intended for human consumption.

Glutathione

Well Researched
Updated Dec 2025

Master Antioxidant | Tripeptide | GSH

InjectableOralNasalTopical
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200-600mg
1-3x per week
Injectable
IM: deltoid
4-8 weeks
Typical duration
2-8°C
Refrigerated

Overview

What is Glutathione?

Glutathione (GSH) is a tripeptide composed of glutamate, cysteine, and glycine, often called the body's 'master antioxidant.' Found in virtually every cell, it plays critical roles in neutralizing free radicals, detoxifying harmful substances, recycling other antioxidants (vitamins C and E), and supporting immune function. Injectable forms bypass poor oral bioavailability.

Key Benefits

Direct delivery bypasses poor oral bioavailability, rapidly increases plasma glutathione levels, supports detoxification and immune function.

Mechanism of Action

Glutathione directly neutralizes reactive oxygen species via its sulfhydryl group, conjugates toxins for excretion (Phase II detoxification), recycles vitamins C and E, and supports optimal lymphocyte function.

Molecular Information

307.32 Da
Weight
3
amino acids
Tripeptide antioxidant
Type
Amino Acid Sequence:
γ-L-glutamyl-L-cysteinyl-glycine
* Unique gamma peptide bond protects from degradation by most peptidases.

Pharmacokinetics

Peak
Minutes (IV)
Half-life
14 min (plasma)
Cleared
~1 hour
100%50%0%0h6h12h18h24h
Peak
Half-life
Cleared
Aebi et al.

Research Indications

Master Antioxidant Function

Primary intracellular antioxidant that neutralizes free radicals and reactive oxygen species.

Antioxidant Recycling

Regenerates oxidized vitamins C and E back to active forms.

Redox Balance

Maintains optimal GSH/GSSG ratio for cellular health.

Research Protocols

Disclaimer: IV administration should be performed by healthcare professionals. Individual responses vary significantly.

GoalDoseFrequencyRoute
General Antioxidant200-400mg1-2x weeklyIM or IV push
Detoxification400-600mg2-3x weeklyIV push or infusion
Immune Support400-600mg1-2x weeklyIV or IM
Neurological (Parkinson's)1400mg3x weeklyIV infusion
Maintenance200mg1x weeklyIM or SubQ

Timing: No specific timing required. IV infusions typically given in clinical settings.

Peptide Interactions

How to Reconstitute

Important: Always use bacteriostatic water (BAC). Sterile technique is essential.

1

Most preparations come pre-mixed

2

If lyophilized: reconstitute with sterile or BAC water per instructions

3

Inspect solution - should be clear and colorless to slightly yellow

4

For IM/SubQ: clean injection site, draw prescribed dose

5

For IV: administer as slow push or dilute for infusion

6

Rotate injection sites

Dosing Calculator

Calculate your injection volume with visual dosing guide

FINAL CONCENTRATION
2.50mg/mL
Each milliliter contains 2.50 mg of peptide
VISUAL REFERENCE (RESEARCH USE ONLY)

To obtain 250 mcg from this solution:

Draw 0.10 mL=10 units

(1 mL = 100 units on any insulin syringe)

0102030405060708090100
00.10.20.30.40.50.60.70.80.91.0
0.10 mL
10 units

Draw to this mark for 250 mcg

This calculator is for research purposes only. Always verify calculations and consult protocols.

Quality Indicators

Licensed compounding pharmacy

PCAB accreditation preferred.

Reduced GSH form

Not oxidized GSSG.

Clear labeling

Concentration, lot number, expiration date.

pH affects comfort

Should be pH-adjusted to 6.0-7.0.

Unregulated sources

Risk of contamination or degradation.

What to Expect

  • Week 1-2: Minimal noticeable effects; plasma levels increase acutely
  • Week 2-4: Some notice improved energy or recovery
  • Week 4-8: Potential improvements in skin, immune resilience
  • Effects are often subtle and accumulate with consistent use

Side Effects & Safety

Side Effects

  • Generally well-tolerated when used appropriately
  • Injection site pain if pH not properly balanced
  • Rare: anaphylaxis (especially IV), hepatotoxicity with high doses
  • May worsen asthma symptoms in susceptible individuals
  • DO NOT use during chemotherapy without oncologist approval
  • Avoid during pregnancy and breastfeeding

When to Stop

  • Signs of allergic reaction
  • Severe injection site reactions
  • Asthma worsening
  • As directed by healthcare provider

References

3 Studies

High-dose IV Glutathione Pharmacokinetics (Aebi et al.)

Human | 2g/m² IV | Rapid clearance | t½ ~14 minutes

Classic study showing IV glutathione increases plasma levels but has short half-life.

View Study

Glutathione in Parkinson's Disease

Human | Post-mortem study | 40% reduction in substantia nigra

Established oxidative stress connection in PD pathogenesis.

View Study

Intranasal Glutathione Phase IIb Trial

Human | 45 PD patients | 3 months | Increased brain GSH levels

Mischley et al. showed intranasal GSH increased brain levels and mild motor improvement.

View Study

Quick Start Guide

Typical Dose
200-600mg per injection
How Often
1-3x per week
Where to Inject
IM: deltoid
Timing
No specific timing; consistency matters more
Effects Timeline
Plasma peaks rapidly (minutes IV); benefits build over weeks
Storage
Refrigerate 2-8°C, protect from light, do not freeze
Cycle Length
4-8 weeks typical
Break Between
4 weeks off after 4-8 weeks on commonly recommended

Research Disclaimer

Glutathione is sold for laboratory research purposes only and is not intended for human or animal consumption. The information provided on this page is compiled from published research, veterinary studies, and anecdotal reports for educational purposes. This content does not constitute medical advice, diagnosis, or treatment recommendations. Any research involving Glutathione must comply with all applicable local, state, and federal regulations. BioInfinity Lab makes no claims regarding the safety or efficacy of Glutathione for any purpose. Consult qualified professionals for any research applications.