Pre-mixed blend
KLOW blend
Also called GHK-Cu + BPC-157 + TB-500 + KPV
GLOW with KPV added. It is a seller-defined product, and the contents and amounts vary.
What is in it
GHK-Cu
Copper tripeptide-1 · Copper peptide
GHK-Cu is a tiny three-amino-acid peptide (GHK) bound to copper.
BPC-157
Body Protection Compound-157 · PL 14736
BPC-157 is a lab-made chain of 15 amino acids based on part of a protein found in human stomach juice.
TB-500 / Thymosin beta-4
Thymosin beta-4 · Tβ4
Thymosin beta-4 (Tβ4) is a natural 43-amino-acid protein found in almost every cell, where it helps control the cell's internal skeleton and cell movement.
KPV
Lys-Pro-Val · alpha-MSH (11-13)
KPV is a very small peptide made of three amino acids (lysine, proline, valine).
Is there evidence for the combination?
We found no published study of this four-peptide mix. KPV itself has only cell and animal data.
Each ingredient at a glance
| Ingredient | Evidence | US FDA status | Sports (WADA) |
|---|---|---|---|
| GHK-Cu | Early human data | Not FDA-approved as a drug; widely sold as a cosmetic ingredient. | Not specifically named on the 2026 Prohibited List. |
| BPC-157 | Early human data | Not FDA-approved for any use. | Prohibited at all times; named as an example under S0 (Non-Approved… |
| TB-500 / Thymosin beta-4 | Early human data | Neither TB-500 nor thymosin beta-4 is FDA-approved; RegeneRx's Tβ4 products remain investigational. | Prohibited at all times; S2.3 lists "Thymosin-β4 and its derivatives e.g.… |
| KPV | Preclinical only | Not FDA-approved. | Not specifically named on the 2026 list; as an unapproved substance it may… |
Mixing adds unknowns. A blend carries the risks of every ingredient, and the interactions are untested. Vial contents and ratios are set by sellers and are not standardized. See each ingredient page for safety and legal details.