For research use only. Not for human consumption. · Nationwide shipping · 18+

Lyra Vital

Glow Blend vs KLOW Blend

Tissue Repair

Glow Blend

Three-compound co-formulation pairing the copper-binding tripeptide GHK-Cu with BPC-157 and TB-500, studied together in extracellular matrix and tissue-remodeling contexts.

Tissue Repair

KLOW Blend

Four-compound co-formulation: the Glow trio of GHK-Cu, BPC-157 and TB-500, plus the α-MSH-derived tripeptide KPV, studied together in tissue-remodeling and inflammatory-signaling contexts.

Side by side

DimensionGlow BlendKLOW Blend
Molecular weight400.9 g/mol400.9 g/mol
Size classsmall molecule / short peptidesmall molecule / short peptide
CAS number89030-95-5 / 137525-51-0 / 77591-33-489030-95-5 / 137525-51-0 / 77591-33-4 / 67727-97-3
Research arearepairrepair
SequenceNot published as a linear sequenceNot published as a linear sequence
Available sizes70mg80mg
Entry price$99$124
Cost per mg$1.41$1.55

Mechanism

Glow Blend

Glow combines GHK-Cu, a naturally occurring copper-binding tripeptide studied for extracellular matrix remodeling and gene expression modulation, with BPC-157 and TB-500. The three are grouped because their studied mechanisms converge on matrix turnover and repair signaling from different directions — copper delivery and collagen signaling, angiogenic cytoprotection, and actin sequestration respectively. Co-formulation is a handling convenience; each compound's evidence base stands on its own.

KLOW Blend

KLOW extends the Glow formulation with KPV, the C-terminal tripeptide (residues 11-13) of alpha-melanocyte-stimulating hormone. GHK-Cu is studied for copper delivery and extracellular matrix remodeling, BPC-157 for angiogenic and cytoprotective signaling, and TB-500 for actin sequestration and cell migration; KPV adds a line of work on NF-κB pathway inhibition in epithelial models. Each vial holds 50mg GHK-Cu, 10mg BPC-157, 10mg TB-500 and 10mg KPV. Co-formulation is a handling convenience; each compound's evidence base stands on its own.

Research applications

Glow Blend

  • Extracellular matrix remodeling assays
  • Collagen and elastin expression profiling
  • Copper-peptide gene expression modulation
  • Multi-pathway repair protocol design

KLOW Blend

  • Extracellular matrix remodeling assays
  • Inflammatory cytokine and NF-κB pathway studies
  • Copper-peptide gene expression modulation
  • Multi-pathway repair protocol design

Common questions

What is the difference between Glow Blend and KLOW Blend?

Glow Blend is three-compound co-formulation pairing the copper-binding tripeptide GHK-Cu with BPC-157 and TB-500, studied together in extracellular matrix and tissue-remodeling contexts. KLOW Blend is four-compound co-formulation: the Glow trio of GHK-Cu, BPC-157 and TB-500, plus the α-MSH-derived tripeptide KPV, studied together in tissue-remodeling and inflammatory-signaling contexts. They differ in molecular weight (400.9 vs 400.9 g/mol) and in the pathways they are studied against.

Which is more cost-effective per milligram, Glow Blend or KLOW Blend?

Glow Blend is lower at approximately $1.41 per milligram at its best tier, against $1.55 for the other. Cost per milligram is only meaningful relative to the concentrations a given protocol requires, since these compounds are not used at comparable masses.

Can Glow Blend and KLOW Blend be studied together?

Combination designs appear in the published literature for a number of these compounds. Whether it is appropriate for a given protocol depends entirely on the model and endpoint. We supply research compounds and do not provide protocol guidance — consult the primary literature for your specific model.

How should Glow Blend and KLOW Blend be stored?

Store lyophilized powder at -20°C protected from light. Copper-containing peptides are light-sensitive — keep vials in the carton. Reconstituted solution stable at 2-8°C for up to 30 days. For KLOW Blend: Store lyophilized powder at -20°C protected from light. Copper-containing peptides are light-sensitive — keep vials in the carton. Reconstituted solution stable at 2-8°C for up to 30 days.

All products sold on this website are intended for research and identification purposes only. These products are not intended for human dosing, injection, or ingestion.

Comparison generated from Lyra Vital catalog data. Every specification is reconciled against the certificate of analysis for the shipped batch.