What is Glutathione, exactly?
Glutathione (GSH) is a tripeptide. Its sequence is Glu-Cys-Gly three amino acids bonded together. It is found naturally in cells and is one of the most studied antioxidant molecules in biochemical research.
So, why do researchers care about it? It’s involved in redox signaling, cellular detoxification, and immune function pathways. Also, it plays a key role in protecting cells from oxidative stress. That makes it a frequent subject in metabolism and aging studies.
However, this product is for in vitro and in vivo research only. It is not for human consumption.
Is Glutathione(GSH) from Global Peptides tested?
Yes. Every batch is independently tested by Janoshik Analytical a third-party lab known in the research community for strict HPLC analysis.
First, purity is verified by HPLC. Next, identity is confirmed by mass spectrometry. Finally, a COA (Certificate of Analysis) is generated and made available for each lot.
Our current lot tests at 99.36% purity. That is not a marketing number. That is a Janoshik lab result.
What form does this Glutathione come in?
It is supplied as a lyophilized (freeze-dried) powder. This is the standard form for research-grade peptides. It is stable, easy to weigh, and simple to reconstitute.
But there is a reason lyophilized is preferred over liquid. Peptides in solution degrade faster. Powder extends shelf life significantly when stored correctly.
Store at −20°C in a dry, dark environment. Keep away from repeated freeze-thaw cycles.
What are the full specs for this product?
| Parameter | Detail |
|---|---|
| Product name | Glutathione (GSH) |
| Sequence / formula | γ-Glu-Cys-Gly / C₁₀H₁₇N₃O₆S |
| Molecular weight | 307.32 g/mol |
| CAS number | 70-18-8 |
| Purity | 99.36% (HPLC, Janoshik) |
| Form | Lyophilized white powder |
| Storage | −20°C, dry, dark |
| Reconstitution | Sterile water or PBS (research use) |
| Testing lab | Janoshik Analytical |
| COA available | Yes, per batch |
| Intended use | In vitro / in vivo research only |
| Supplier | globalpeptidesofficial.com |
Why buy Glutathione from Global Peptides Official?
There are a lot of peptide vendors. Most do not publish independent COAs. Therefore, researchers have no way to verify purity claims.
At globalpeptidesofficial.com, every product ships with a Janoshik COA. Also, we do not resell from unknown sources. The supply chain is controlled from synthesis to shipping.
So, if you are sourcing glutathione for serious research, you need numbers you can trust. 99.36% from Janoshik is verifiable. That is the standard here.
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