Scientific Reference
KLOW Stack (GHK-Cu + TB-500 + BPC-157 + KPV)
Evidence profile: Component evidence only — this formulation has not itself been studied
The KLOW Protocol is a four-peptide regenerative blend combining GHK-Cu, TB-500 (Thymosin Beta-4), BPC-157, and KPV. It builds upon the GLOW protocol by incorporating KPV, a tripeptide with anti-inflammatory activity, to enhance tolerability and broaden mechanistic coverage. Typical formulations contain approximately 50mg GHK-Cu, 10mg TB-500, 10mg BPC-157, and 10mg KPV in a 5:1:1:1 ratio. While individual peptides have established research backgrounds, no clinical trials have evaluated this specific combination, and all effects remain theoretical based on additive and complementary mechanisms.
Published Research
RGN-259 neurotrophic keratopathy phase III
0.1% RGN-259 (Thymosin ß4) Ophthalmic Solution Promotes Healing and Improves Comfort in Neurotrophic Keratopathy Patients in a Randomized, Placebo-Controlled, Double-Masked Phase III Clinical Trial
Sosne G et al. · International journal of molecular sciences · 2022 · Clinical · Evidence for TB-500 (Thymosin Beta-4)
PMID 36613994 — View on PubMedThe effect of thymosin treatment of venous ulcers
Guarnera G et al. · Annals of the New York Academy of Sciences · 2010 · Clinical · Evidence for TB-500 (Thymosin Beta-4)
PMID 20536470 — View on PubMedA randomized, placebo-controlled, single and multiple dose study of intravenous thymosin beta4 in healthy volunteers
Ruff D et al. · Annals of the New York Academy of Sciences · 2010 · Clinical · Evidence for TB-500 (Thymosin Beta-4)
PMID 20536472 — View on PubMedEffects of topical copper tripeptide complex on CO2 laser-resurfaced skin
Miller TR et al. · Archives of facial plastic surgery · 2006 · Clinical · Evidence for GHK-Cu
PMID 16847171 — View on PubMedA prospective randomized evaluator-blinded trial of two potential wound healing agents for the treatment of venous stasis ulcers
Bishop JB et al. · Journal of vascular surgery · 1992 · Clinical · Evidence for GHK-Cu
PMID 1495150 — View on PubMedInjectable Peptide Therapy: A Primer for Orthopaedic and Sports Medicine Physicians
Mayfield CK et al. · The American journal of sports medicine · 2026 · Review · Evidence for BPC-157
PMID 41476424 — View on PubMed