VNG analytical-grade peptide reference materials in a research laboratory

Pure is not the same as clean.

Every lot screened for heavy metals, sterility, and endotoxins — not just purity.

20 reference materials · CoA per lot · lab-tested by Vanguard

Not for human or animal consumption, therapeutic, clinical, diagnostic, dietary, dosing, injection, ingestion, or administration use.

ICP-MS screenedCoA per lot99%+ purityUSP sterilityLAL endotoxin-testedCold-chain shippedLab-tested by Vanguard

Every compound, documented.

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GLP-3 (RT) research vial

GLP-3 (RT)

from$69
In a Phase 2 trial, retatrutide reduced body weight.
New England Journal of Medicine, 2023 · read →
as low as $7.30/mg
Tirzepatide research vial

Tirzepatide

from$79
In a clinical trial, tirzepatide lowered blood sugar and body weight.
New England Journal of Medicine, 2021 · read →
as low as $4.15/mg
Adamax research vial

Adamax

$75
In preclinical studies, NAP (davunetide) reduced tau hyperphosphorylation and eased behavioral deficits.
Pharmacology Research & Perspectives, 2014 · read →
$7.50/mg
BPC-157 research vial

BPC-157

$59
In animal studies, BPC-157 sped up tendon and soft-tissue healing.
Cell & Tissue Research, 2019 · read →
$5.90/mg
GHK-Cu research vial

GHK-Cu

from$39
In studies, GHK-Cu boosted collagen production in skin.
Pharmaceutics, 2023 · read →
as low as $0.59/mg
Tesamorelin research vial

Tesamorelin

from$119
In clinical research, tesamorelin reduced visceral belly fat.
AIDS, 2012 · read →
as low as $8.95/mg
GLOW Blend research vialBlend

GLOW Blend

$129
$1.84/mg
KLOW Blend research vialBlend

KLOW Blend

$149
$1.86/mg
CJC-1295 + Ipamorelin research vial

CJC-1295 + Ipamorelin

from$99
In research, ipamorelin stimulated growth-hormone release.
European Journal of Endocrinology, 1998 · read →
as low as $7.45/mg
KPV research vial

KPV

$59
In an animal model, KPV reduced intestinal inflammation.
Inflammatory Bowel Diseases, 2008 · read →
$5.90/mg
TB-500 research vial

TB-500

$59
In research, thymosin beta-4 (TB-500) supported tissue repair and regeneration.
International Immunopharmacology, 2023 · read →
$5.90/mg
MOTS-c research vial

MOTS-c

from$79
In research, MOTS-c improved metabolic and insulin function.
Metabolites, 2023 · read →
as low as $3.73/mg
NAD+ research vial

NAD+

from$99
In aging research, NAD+ supported cellular energy metabolism.
Endocrine Reviews, 2023 · read →
as low as $0.15/mg
B12 research vial

B12

$19
In a clinical trial, methylcobalamin (B12) improved nerve sensation in diabetic neuropathy.
Indian Journal of Pharmacology, 2021 · read →
$1.90/mg
Melanotan II research vial

Melanotan II

$49
In a clinical study, Melanotan II stimulated melanogenesis (skin pigmentation).
Life Sciences, 1996 · read →
$4.90/mg
Melanotan I research vial

Melanotan I

$49
In research, MT-1 increased melanin production in the skin.
Nature Reviews Endocrinology, 2012 · read →
$4.90/mg
IGF-1 LR3 research vial

IGF-1 LR3

$119
In animal studies, IGF-1 LR3 increased protein synthesis and growth.
Domestic Animal Endocrinology, 1999 · read →
$119/mg
Kisspeptin-10 research vial

Kisspeptin-10

$79
In research, kisspeptin stimulated reproductive-hormone signaling.
Nature Reviews Endocrinology, 2020 · read →
$7.90/mg
The difference

Purity is where most vendors stop.

Almost any vendor can confirm a peptide is 99% pure. Far fewer screen for the heavy metals, endotoxins, and microbes a purity test never catches — and almost none let you call and verify your exact lot. We do all three.

VNG
Typical

Purity tested

the one test almost everyone runs

99%+

Screened for heavy metals

every lot, before it ships

Sterility + contaminant tested

endotoxins, microbes, residue

Independent lab report, every lot

matched to your exact lot number

Call and verify your lot

reach a real person, confirm the paper

Batch-traceable to its lot

Ships cold-chain, from the US

Overseas

Published research, linked

read the studies yourself

Quality you can verify, not just trust.

Every lot is independently tested by accredited U.S. laboratories. We do not ask you to take our word for it — we ship the analytical record with the vial.

99%+Purity Guaranteed
5Quality Checks
100%Lab-Verified

Verified Potency

HPLC Analysis

Each lot is HPLC-tested so the analytical readout matches the labeled mass — down to the microgram.

Why it matters: Verifiable potency for reproducible bench work. No surprises mid-experiment.

Shop now Free CoA included with every order

Browse the reference-material catalog.

Identity, purity, lot documentation, and Certificate of Analysis access for every material — supplied for laboratory research use only.

Frequently asked

What are these materials intended for?

All materials are supplied for in-vitro research, analytical method development, identity verification, and laboratory evaluation by qualified research customers. They are not for human or animal consumption, therapeutic, clinical, diagnostic, dietary, dosing, injection, ingestion, or administration use.

Who can purchase from VNG?

Materials are supplied only to qualified research customers — researchers, laboratories, academic institutions, and biotech organizations. By ordering you acknowledge you are purchasing for laboratory research use only. You must be of legal age in your jurisdiction.

How is identity and purity verified?

Each lot is independently analyzed by Vanguard for identity, purity, and concentration. A Certificate of Analysis matched to the exact lot ships with the order, and lot records are available on request.

How are materials shipped?

Materials ship in temperature-controlled, tracked, lot-documented packaging to maintain stability in transit. Fulfillment and shipping details are in the Shipping Policy.

Do you provide usage or handling guidance?

No. VNG supplies laboratory research materials and lot documentation only. We do not provide medical, clinical, dosing, preparation, or usage guidance of any kind.