One lot has been released. Its certificate has not been published yet. Scan the QR code on your vial, or open a lot below, to see what exists for that exact batch.
Purity and identity figures are shown only where the certificate behind them is published. Ships in 3–7 business days, US only. Free shipping over $125.
KLOW Blend
GHK-Cu / BPC-157 / TB-500 / KPV research blend
How researchers describe KLOW Blend
Each constituent independently engages distinct preclinical pathways: GHK-Cu (copper transport, MMP modulation), BPC-157 (VEGFR2/eNOS), TB-500 (actin cytoskeleton), KPV (α-MSH C-terminal anti-inflammatory tripeptide).
- MMP regulation (GHK-Cu)
- VEGFR2/eNOS (BPC)
- Actin dynamics (Tβ4)
- Inflammation (KPV)
Refrigerated 2–8°C after reconstitution. Lyophilized: −20°C.
Per-lot supplier COA (HPLC + LC-MS)
- HPLC + LC-MS laboratory analysis on every lot
- Supplier specification ≥99.0% by HPLC — the certificate for your lot is published on that lot’s page
- Sealed glass vial, butyl stopper, crimp cap
- Pickart & Margolina, 2018 — GHK Tripeptide, Int J Mol Sci
Common researcher questions
Is this for human use?+
No. All X Factor research peptides are RUO — sold solely for in-vitro and non-clinical preclinical research. Not for human or veterinary use, food, supplement, cosmetic, or therapeutic application.
How is purity verified?+
Every lot ships with the supplier’s per-lot COA (HPLC purity, plus LC-MS identity where applicable). COA available per lot — request via contact form.
How is it shipped?+
Lyophilized peptide in a sealed glass vial, packed in plain outer packaging, shipped from our US fulfillment partner. Blends ship with cold-pack on request.
Can I get a COA before ordering?+
Yes — contact us with the SKU and we will email the most recent lot COA. We also publish the COA vault to verified researchers post-purchase.
Restock for OOS items?+
Use the Notify-Me form on the catalog page. We email when the lot is QC-passed and live. No spam, single-use.