Multi-peptide repair blend
GLOW
Three-peptide repair blend - GHK-Cu, BPC-157, TB-500
GLOW is the name the research community uses for a pre-blended vial combining GHK-Cu, BPC-157, and TB-500. The standard preparation is 50mg GHK-Cu with 10mg each of the other two, for 70mg total.
It is not a distinct molecule. It is three separate peptides supplied in one vial, which means everything published about GLOW is really published about its components - there is no clinical trial of the combination itself.
Composition
Mechanism
Three pathways, one vial
GHK-Cu contributes copper-dependent matrix remodelling and collagen signalling; BPC-157 contributes angiogenic and tissue-repair signalling; TB-500 contributes actin regulation and cell migration. The rationale is complementarity rather than a shared mechanism.
Where the name comes from
The 'glow' framing comes from GHK-Cu's role in skin and collagen biology and is a large part of why the blend spread through cosmetic and recovery communities rather than research literature.
Why it is the smaller pair that varies
GHK-Cu has to be present in large mass to match how it is studied. The 50/10/10 split is not an equal-parts blend, and suppliers vary the ratio.
Research status
No human trial has studied GHK-Cu, BPC-157, and TB-500 as a fixed combination. Evidence for each component sits at a different stage - GHK-Cu mostly in-vitro and topical, BPC-157 largely rodent, TB-500's parent protein in Phase 2 wound trials. Component evidence is not combination evidence, and the blend is also constrained by a fixed ratio that cannot match the different schedules each peptide is studied on.
Verifying a batch
- 01Blends are the highest-risk category to buy blind - one certificate has to account for three compounds, and partial assays are common.
- 02Ask for per-component identification, not a single purity figure that could describe only the majority component.
- 03Because GHK-Cu is 71% of the mass in a 50/10/10 vial, a ratio error in the minor components is easy to miss.
Search lab reports for this compound →How purity is tested →
Questions
What is in a GLOW peptide blend?+
GHK-Cu, BPC-157, and TB-500. A common ratio is 50mg GHK-Cu with 10mg each of BPC-157 and TB-500, giving 70mg total, but ratios vary by supplier.
Is GLOW the same as KLOW?+
No. KLOW is the same three peptides plus KPV, usually 80mg total. KLOW is broader, not stronger - the difference is one additional anti-inflammatory component.
Is GLOW the same as the Wolverine stack?+
No. Wolverine is BPC-157 plus TB-500. GLOW is that pair with GHK-Cu added, so the three nest rather than compete.
Can I buy the components separately instead?+
Yes, and many researchers do - it allows independent testing and independent ratios. The blended vial is a convenience trade-off against that flexibility.
Related compounds
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All compounds listed here are supplied for laboratory research use only and are not medicines, supplements, or products for human consumption.