Research Peptides
Built for 
Precision and Purity
Proof first. Then we ship.
Before a lot ever reaches the shelf, it goes through our internal QC bench. Identity is confirmed. Purity is quantified. If a format requires sterility or endotoxin testing, it is completed and reviewed. Only then is a COA issued and the lot released. You can download every certificate by lot right here.
Proven excellence. Science-Backed.
Science backed product results
100%
99%
Independent verification that stands on its own.
Trust is earned when someone else checks your work. For every released lot, 3 sealed retain samples go to an independent laboratory. This ensures results are consistent and correct. We only use the top facility in the industry.
Proven excellence. Science-Backed.
Science backed product results
100%
99%
Research Use Only. No Human or Veterinary Use.
KÖLD supplies laboratory reagents and reference materials for controlled research. Our products are not drugs, foods, dietary supplements, cosmetics, or medical devices. They are not approved by the FDA for human or animal use and are not intended to diagnose, treat, cure, or prevent any disease. All of our peptides are under the RUO standards.
Proven excellence. Science-Backed.
Proven excellence. Science-Backed.
Science backed product results
100%
COA posted for every released lot
99%
batch‑to‑batch purity variance within ±1.0%
Built for consistency. Verified for purity.
KÖLD peptides are produced under controlled conditions with documented SOPs, lot‑level traceability, and validated analytical methods. Every batch is released only after QC review and third‑party verification for identity and purity. Specifications are defined by compound and published in each lot’s COA.
Proven excellence. Science-Backed.
Proven excellence. Science-Backed.
Traceable by design
100%
COA is published for every released lot
99%
batch‑to‑batch purity variance within ±1.0%
Verified Outside Our Walls
Recent certificates. Lot‑matched data you can trust.
How recent the third‑party test is when the COA is posted or the lot is released.
COA freshness comparison showing KÖLD certificates dated within 90 days versus a market sample with a median age of over nine months.
Science backed product results
98.8%
KÖLD median purity
by HPLC or LC/MS
97.1%
Market sample median
Methods and acceptance ranges are listed on each COA.
Documentation that sets the bar
COA completeness comparison showing KÖLD at A+ versus industry baseline.
Proven certifications you can trust.
Science backed product results
100%
COA posted for every released lot
Downloadable by lot with method and acceptance range.
<48hrs
Typical window from release to COA publish
Proof goes live as the lot is released.
COA LIBRARY
AOD-9604 5 MG
BPC-157 5 MG
BPC-157 10 MG
C-Amylin 5 MG
C-Amylin + G1-S Blend 5/5 MG
CJC-1295 with DAC 5 MG
DSIP 5 MG
Epithalon 10 MG
Epithalon 50 MG
G1-S 5 MG
G1-S 10 MG
G2-T 10 MG
G2-T 30 MG
G3-R 10 MG
G3-R 15 MG
G3-R 30 MG
GHK-Cu 50 MG
GLØ Blend 70 MG
Ipamorelin 5 MG
IGF-1 LR3 1 MG
KLØ Blend 80 MG
KPV 10 MG
Melanotan 2 10 MG
Mots-C 10 MG
NAD+ 500 MG
Oxytocin 5 MG
PT-141 10 MG
Selank 5 MG
Semax 30 MG
Sermorelin 10 MG
SLU-PP-332 500 MCG Tablets
STRØM Blend 5/5 MG
TA-1 10 MG
TB-500 10 MG
Tesamorelin 10 MG
Tesofensine Tablets 500 MCG
WØLVE Blend 5/5 MG
WØLVE Blend 10/10 MG
