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Longevity Research
L-Glutathione Peptide
Lyophilized in the USA307.33 g/mol
Reduced L-Glutathione is studied in research on oxidative stress response, cellular antioxidant systems, and redox balance. It is also used in detoxification pathway, mitochondrial protection, and cellular resilience research.
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54.99
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1
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Your purchasing batch
GLU03
Certificate on record · 4 lots published
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Per-batch COA access
Every order ships with certificate access for its lot
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Verified test results
Every batch, independently verified.
Each batch is analyzed by an independent third-party laboratory before release. The lots below were tested by Chromate and ILS Laboratories. Below is the report for lot GLU03, summarized from the certificate the lab published.
ILSPASS
ILS Laboratories
Independent · ISO/IEC 17025 accredited
Certificate of Analysis · COA-2026-9CRBYE
99.61%
Purity by HPLCSPEC ≥ 95.0%
Lot
GLU03
Tested
Aug 22, 2026
Labeled
1500mg
Measured
1580.66mg
ISO 17025 accreditedFentanyl free4 lots on record
View the signed certificate →
Certificate results✓ 7 passed · 1 reported
Appearance
Per certificate
Good
PASS
Identity
HPLC
Confirmed
PASS
Purity
HPLC
99.61%
SPEC ≥ 95.0%
PASS
Net peptide content
HPLC
1580.66mg
REPORT ONLY
REPORTED
Sterility
PCR
No Growth
PASS
Endotoxins
LAL
0.143EU/mL
SPEC ≤ 5 EU/mL
PASS
Heavy metals
ICP-MS
All Below Limits
USP <233>
PASS
Fentanyl screen
Per certificate
Not detected
PASS
Every batch on record
Every lot we have published for this compound, grouped by the lab that tested it, newest first. Open any certificate below, exactly as the lab released it.
ILS Laboratories2 certificates
Side by side
How Disguised compares.
Disguised
Typical supplier
Per-batch third-party COA
Yes
Rarely provided
ISO 17025 lab testing
Yes
Inconsistent
HPLC purity verified
Yes
Often unverified
Sterility tested
Yes
Rarely
Endotoxin tested
Yes
Rarely
Heavy metal tested
Yes
Rarely
Conformity testing
Yes
Not standard
Fentanyl screening
Yes
Not standard
Made & tested in the USA
Yes
Often overseas
Discreet, tracked shipping
Yes
Varies
Technical specifications
Compound Information
Read the L-Glutathione research guideAlso available as High Dose L-Glutathione (200MG/ML)Compare NAC vs GlutathioneCompare NAD+ vs GlutathionePeptide storage guideHow to reconstitute peptidesMolecular Profile
What is L-Glutathione?
Molecular FormulaC₁₀H₁₇N₃O₆S
Molecular Weight307.33g/mol
Storage Requirements
Stability information.
Avoid freeze/thaw cyclesProtect from lightRefrigerate after reconstitution
−20°C
Lyophilized powder, as shipped
The most stable form. Store cold and protected from light until it is reconstituted.
2–8°C
After reconstitution
Refrigerate once reconstituted and keep it protected from light.
Peer-reviewed literature
The research behind this compound, cited in full.
Every reference below is a published, peer-reviewed record, linked to its PubMed entry. Provided for educational reference only - not product claims.
01Biotechnology and bioengineering · 2024Efficient production of l-glutathione by whole-cell catalysis with ATP regeneration from adenosineZuo S, et al.02Neurogastroenterology and motility · 2023L-glutathione 1% promotes neuroprotection of nitrergic neurons and reduces the oxidative stress in the jejunum of rats with Walker-256-bearing tumorde Oliveira AP, et al.03Journal of cosmetic dermatology · 2022The effects of the oral supplementation of L-Cystine associated with reduced L-Glutathione-GSH on human skin pigmentation: a randomized, double-blinded, benchmark- and placebo-controlled clinical trialDuperray J, et al.04Antioxidants (Basel, Switzerland) · 2022Exogenous L-Glutathione Improves Vitrification Outcomes in Murine Preimplantation EmbryosAbdul Rahman NS, et al.05Experimental animals · 2019Oral supplementation of L-glutathione prevents ultraviolet B-induced melanogenesis and oxidative stress in BALB/c miceNagapan TS, et al.
Important research notice
Not for human, veterinary, or food use. This product is sold exclusively for laboratory research purposes. It is not intended to diagnose, treat, cure, or prevent any disease, and has not been evaluated by the FDA.
All referenced publications and registries are sourced from peer-reviewed journals and official registries. They are provided for educational reference only and are not product claims.
By purchasing, you confirm you are a qualified researcher and will handle this product in accordance with all applicable laws and regulations.
Ready when you are
Nothing ships without paperwork. Every lot is on record.
The lot on this page links to the signed certificate for that batch.
4Lots on record
99.61%HPLC purity, latest lot
17025ISO/IEC accredited lab