Glutathione

Glutathione (GSH) is the reduced tripeptide of glutamate, cysteine and glycine.

Price range: $38.99 through $73.99

CAS number: 70-18-8
Form: Lyophilized powder
Purity: ≥99% (HPLC)
Storage: −20 °C, dry and protected from light
Lab report: Bioviridian COA ↗Verification code COA10984

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Independently lab-tested — every batch, before sale. View this batch’s COA (Bioviridian) ↗
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Bioviridian · HPLC-MS analysis

Batch lab results

✓ All 5 tests conform

99.86%Overall purity · RP-HPLC

Verification code: COA10984
Lot number: SPD-PEP-GSH
Sample received: Sep 23, 2026
COA issued: Oct 12, 2026
Tested vial: 1500 mg
Sample type: White lyophilized powder
Molecular weight: 307.3 g/mol
HPLC retention: 2.080 min

Test	Result	Method	Status
Identity	Confirmed	LC-MS/MS	✓ Conforms
Content	1504.43 mg	HPLC quantitation	✓ Conforms
Overall purity	99.86%	RP-HPLC (214 nm)	✓ Conforms
Endotoxin	<0.05 EU/ml	USP <85>	✓ Conforms
Heavy metals	<0.01 ppm	USP <232>	✓ Conforms

Certified by Shane Straight, M.S., Principal Chemist, Bioviridian Inc. Vendor: Shop Peptides Direct.

View full certificate ↗Verify code on bioviridians.com ↗

SKU: N/A Category: Molecular & Cellular Research

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Shipped within 24 hours
99% Purified

Overview

Glutathione (GSH) is the reduced tripeptide of glutamate, cysteine and glycine.

Compound Data

CAS number: 70-18-8
Molecular formula: C₁₀H₁₇N₃O₆S
Molecular weight: 307.3 g/mol
Amino acid sequence: γ-L-Glu-L-Cys-Gly (reduced form)
Peptide length: 3 amino acids
Form: Lyophilized powder
Contents: 600 mg or 1500 mg per vial
Purity: ≥99% (HPLC)
Identity: Confirmed by mass spectrometry
Batch/lot number: Printed on the vial label and on the matching Certificate of Analysis
Certificate of Analysis: Request the COA for your batch

Research Context

Glutathione is referenced in in-vitro and analytical laboratory work in the following areas:

Cellular redox buffering
Glutathione S-transferase and peroxidase assays
Reactive oxygen species measurement

Storage & Handling

Store sealed lyophilized material at −20 °C, dry and protected from light. Handle according to your institution’s laboratory safety procedures.

Compliance Notice

For laboratory research use only. Not for human or veterinary use, and not for diagnostic or therapeutic use. Sold only to qualified researchers aged 21 or older.

What is Glutathione?

Glutathione (GSH) is the reduced tripeptide of glutamate, cysteine and glycine.

What form is Glutathione supplied in?

A lyophilized (freeze-dried) powder in a sealed vial. Contents: 600 mg or 1500 mg per vial.

What is the CAS number for Glutathione?

70-18-8

How is purity verified?

Each batch is tested by HPLC (≥99% purity) and its identity is confirmed by mass spectrometry. Results are recorded on the batch Certificate of Analysis.

How do I get the Certificate of Analysis for my batch?

Use the request form on our Lab Test Results page and include the batch/lot number printed on your vial.

How should Glutathione be stored?

Store sealed material at −20 °C, dry and protected from light.

Is Glutathione for laboratory research only?

Yes. For laboratory research use only. Not for human or veterinary use, and not for diagnostic or therapeutic use. Sold only to qualified researchers aged 21 or older.

When will my order ship?
Orders placed by 2pm ET, Monday–Friday, ship the same day via UPS. Later orders ship the next business day.

Is shipping free?
Free UPS shipping on US orders over $200.

How do I get the Certificate of Analysis?
Request it here and we email the certificate for your batch the same business day.

Is the price per vial?
Yes. Each size is one vial of lyophilized powder. Order 3 or more of the same size for 5% off, or 5 or more for 10% off.