Research Use Only · Not For Human Consumption

Precision Peptides,
Supplied For
Laboratory Research

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

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99%+
Purity Guaranteed
9
Compounds Cataloged

Third-Party Tested

Purity confirmed by an independent lab

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 and is based and shipped from within the US. Every listing states plainly what a compound is — and what it isn't approved for.

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.

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.
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.
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.
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.
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.
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.
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.
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.
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.
10 mg / vial $35
Order on WhatsApp
Not for human use — see compliance notice
9
Compounds Cataloged
99%
Purity Rate
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 with courier tracking.

Received & Verified

Check the shipped lot number and quantity 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