Question 1

What is Testagen 20mg?

Accepted Answer

Testagen 20mg is a research-grade compound supplied by Peptide Technologies strictly for laboratory research use only. It is offered as a lyophilized powder, quality-verified against a batch-specific third-party Certificate of Analysis (HPLC identity and purity). Testagen 20mg is a reference material for in-vitro and non-clinical laboratory study. Not for use in humans or animals.

Question 2

What is Testagen 20mg studied for in research?

Accepted Answer

Testagen 20mg is used by laboratories as a reference compound in in-vitro and non-clinical research settings, where investigators characterise its identity, purity, and biochemical properties. Peptide Technologies supplies Testagen 20mg for that research context only and makes no claims about outcomes in humans or animals. Not for use in humans or animals.

Question 3

Where can I buy Testagen 20mg for research?

Accepted Answer

You can buy Testagen 20mg online directly from Peptide Technologies at peptidetech.is. Every batch ships with a third-party Certificate of Analysis (HPLC purity and mass-spectrometry identity), cold-chain packaging, and lot traceability via a QR code on the vial. Peptide Technologies is a US-based research supplier that ships domestically.

Question 4

What purity is Testagen 20mg and how is it verified?

Accepted Answer

Each batch of Testagen 20mg is verified at ≥99% purity by RP-HPLC and confirmed for identity by mass spectrometry at an independent laboratory. The full Certificate of Analysis — purity, identity, and where applicable endotoxin — is published and linked from this product page so results can be checked before use.

Question 5

Does Testagen 20mg come with a Certificate of Analysis?

Accepted Answer

Yes. Every batch of Testagen 20mg ships with a batch-specific third-party COA. You can view it on this page, scan the QR code on the vial, or browse the public COA library at /coa. The COA documents lot number, HPLC purity, and identity so you can confirm the vial matches the certificate on file.

Question 6

Is Testagen 20mg legal to buy for research?

Accepted Answer

Testagen 20mg is sold by Peptide Technologies for laboratory research use only (RUO). It is not an approved drug, dietary supplement, cosmetic, or food. Buyers must affirm research use and accept the Terms of Sale at checkout. Not for use in humans or animals.

Question 7

Is Testagen 20mg FDA approved?

Accepted Answer

No. Testagen 20mg is not approved by the FDA and is not intended to diagnose, mitigate, or prevent any condition. It is supplied strictly as a research chemical for laboratory use only. Not for use in humans or animals.

Question 8

How is Testagen 20mg shipped and stored?

Accepted Answer

Testagen 20mg ships from the USA with cold-chain packaging to preserve stability in transit. On arrival, store the lyophilized powder per the handling notes on the Certificate of Analysis (lyophilized material is typically kept at -20°C long-term, refrigerated short-term, protected from light and moisture). Shipping windows are disclosed at checkout.

Property	Details
Product	Testagen 20 mg
Chemical Name	L-lysyl-L-glutamyl-L-aspartyl-glycine (H-Lys-Glu-Asp-Gly-OH)
Synonyms	KEDG; Lys-Glu-Asp-Gly; Testagen; K-E-D-G tetrapeptide; anterior pituitary peptide
CAS Number	Not assigned (sequence-defined RUO tetrapeptide)
PubChem CID	Not indexed — identity confirmed via lot COA (HPLC/MS)
Molecular Formula	C17H29N5O9
Appearance	White to off-white lyophilized powder
Container	3 mL Type I glass vial; butyl stopper; flip-off seal
Purity / Identity	≥99% by HPLC; identity confirmed by MS (batch COA via on-vial QR)
Counter ION	Acetate (typical; confirm on lot COA)
Storage	−20 °C long-term; store desiccated and protected from light
Discovered Date	~2005
Intended Use	Research Use Only (RUO). Not for human or animal use.
Molecular Weight	≈ 447.44 g/mol (free acid)
Amino Acid Sequence	Lys–Glu–Asp–Gly (K-E-D-G); linear tetrapeptide, no disulfide bonds
Peptide Class	Khavinson-class short peptide bioregulator (anterior pituitary–derived sequence)

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