Research Use Only · Not For Human Consumption

Precision Peptides,
Supplied For
Laboratory Research

Every lot is synthesized to ≥99% purity and third-party lab tested before it ships. K&K supplies qualified researchers and research institutions only.

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99%+
Purity Guaranteed
9
Compounds Cataloged
100%
Third-Party Tested, Every Batch

Third-Party Tested Every Batch

Every batch verified by an independent testing laboratory

Tracked Fulfillment

Every order shipped with courier tracking

Lyophilized & Stable

Freeze-dried for stability and extended shelf life

Research Support Team

Available for sourcing, testing, and order questions

≥99% Purity, Per Batch
Third-Party Tested
Based & Shipped in the US
Research Use Only
Research Areas

Browse By Research Area

Browse the catalog by primary research domain and mechanism of interest.

Metabolic & Endocrine

KK2-TZ, KK3-RT, NAD+ — receptor agonists and coenzymes studied in metabolic research.

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Tissue & Repair

BPC-157 & TB-500, KPV — peptide fragments studied in preclinical repair models.

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Neuropeptides

Semax, Selank — synthetic peptides studied in CNS-related research literature.

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Mitochondrial & Pigmentation

MOTS-c, Melanotan I — a mitochondrial-derived peptide and a melanocortin analog.

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K & K Peptides vial lineup
9
Compounds Cataloged
99%
Purity
Verified
Why K & K Peptides

Precisely Sourced.
Fully Documented.

Every lot we supply is synthesized to ≥99% purity, based and shipped from within the US, and third-party lab tested before it leaves our hands. Every listing states plainly what a compound is — and what it isn't approved for.

Third-Party Lab Testing

Independent lab analysis (HPLC, mass spec) confirms purity for every batch.

Lyophilized For Stability

Every peptide is supplied as a lyophilized powder, stored and shipped to maintain stability.

US Based & Shipped

We're based domestically — every order ships with courier tracking.

Qualified-Researcher Only

Every purchaser affirms researcher or institutional status. Listings carry no dosing or human-use guidance.

Individual Peptides

Single Vials

Every vial is individually sealed, lyophilized, and labelled with lot number and expiry. Every batch is third-party lab tested for purity.

Showing compounds for:
K&K Peptides KK2-TZ 20mg vial
Metabolic
KK2-TZ
Synthetic dual GIP/GLP-1 receptor agonist peptide, 99% purity, supplied as lyophilized powder for laboratory research applications. Third-party tested per batch/lot, including HPLC and mass spec verification.
20 mg / vial $75
Order on WhatsApp
Not for human use — see compliance notice
K&K Peptides KK3-RT 20mg vial
Metabolic
KK3-RT
Synthetic triple GIP/GLP-1/glucagon receptor agonist peptide, 99% purity, lyophilized powder for laboratory research applications. Third-party tested, per batch.
20 mg / vial $85
Order on WhatsApp
Not for human use — see compliance notice
K&K Peptides NAD+ 500mg vial
Metabolic
NAD+
Nicotinamide adenine dinucleotide, 99% purity, supplied as lyophilized powder for laboratory research applications. Third-party tested, per batch.
500 mg / vial $35
Order on WhatsApp
Not for human use — see compliance notice
K&K Peptides MOTS-C 10mg vial
Mitochondrial
MOTS-c
Mitochondrial-derived peptide, 99% purity, lyophilized powder for in-vitro laboratory research. Third-party tested, per batch.
10 mg / vial $35
Order on WhatsApp
Not for human use — see compliance notice
K&K Peptides KPV 10mg vial
Tissue & Repair
KPV
Tripeptide fragment of alpha-MSH, 99% purity, lyophilized powder for laboratory research applications. Third-party tested, per batch.
10 mg / vial $35
Order on WhatsApp
Not for human use — see compliance notice
K&K Peptides Glow 50/10/10mg vial
Tissue & Repair
Glow
Combination of GHK-Cu, BPC-157, and TB-500, 99% purity, lyophilized powder for laboratory research applications, supplied together as a combination product. Third-party tested, per batch.
50/10/10 mg $85
Order on WhatsApp
Not for human use — see compliance notice
K&K Peptides Semax 10mg vial
Neuropeptide
Semax
Synthetic heptapeptide, 99% purity, lyophilized powder for laboratory research applications. Third-party tested, per batch.
10 mg / vial $35
Order on WhatsApp
Not for human use — see compliance notice
K&K Peptides Selank 10mg vial
Neuropeptide
Selank
Synthetic heptapeptide, 99% purity, lyophilized powder for laboratory research applications. Third-party tested, per batch.
10 mg / vial $35
Order on WhatsApp
Not for human use — see compliance notice
K&K Peptides Melanotan I 10mg vial
Pigmentation
Melanotan I
Synthetic analog of alpha-MSH, 99% purity, lyophilized powder for laboratory research applications. Third-party tested, per batch.
10 mg / vial $35
Order on WhatsApp
Not for human use — see compliance notice
9
Compounds Cataloged
99%
Purity Rate
100%
Third-Party Tested, Every Batch
US
Based & Shipped
Process

Simple. Fast. Reliable.

From catalog to lab bench in four steps.

Browse & Select

Choose by compound name or research area. Every listing states purity and testing status upfront.

Message On WhatsApp

Confirm availability and pricing directly with our team — the only way we take orders.

Confirmed Dispatch

Standard commercial packaging, courier tracking, third-party test results included with shipment.

Received & Verified

Check the shipped lot's third-party test results against your order on arrival.

Contact

Questions?
Message Us On WhatsApp.

WhatsApp is the only way we handle inquiries, orders, and testing requests — no email, no contact form. For qualified researchers and research institutions only.

Message (970) 763-4870 on WhatsApp