Research use onlyFor laboratory and research purposes only — not for human consumption, medical, veterinary or diagnostic use.

PeptideStacks
Recovery & Performance

BPC-157 + TB-500 + GHK-Cu Advanced Recovery Protocol

Three-peptide advanced soft tissue + dermal remodelling research stack. Adds GHK-Cu copper peptide to the canonical BPC-157/TB-500 base for collagen-I:III ratio improvement.

3 peptides 8-week cycle intermediateUpdated 2026-05-16
Tissue repairCollagen remodellingDermal regenerationScar mitigation

This three-peptide stack extends the canonical BPC-157 + TB-500 healing protocol with GHK-Cu (glycyl-histidyl-lysine, copper-bound tripeptide) for advanced extracellular-matrix remodelling research.

Why three peptides?

Wound healing has three temporally separated phases — angiogenesis, cellular migration, and matrix remodelling. The canonical two-peptide stack covers angiogenesis (BPC-157) and progenitor cell recruitment (TB-500), but leaves matrix remodelling to the animal's intrinsic GHK-Cu pool. Adding exogenous GHK-Cu accelerates the final phase, producing measurable improvements in collagen-I to collagen-III ratio in published rodent studies.

Mechanism of action

GHK-Cu (added compound) — mechanism of action

GHK-Cu is a copper-bound tripeptide (glycyl-histidyl-lysine) present endogenously in plasma. Its concentration declines with age. In published research:

  • Activates fibroblast collagen and elastin synthesis at the gene-expression level.
  • Up-regulates anti-oxidant enzymes (SOD2, catalase) in dermal tissue.
  • Modulates matrix metalloproteinase (MMP-2, MMP-9) activity, favouring remodelling over degradation.
  • Stimulates copper-dependent enzymes in connective tissue, including lysyl oxidase (the cross-linking enzyme essential for collagen tensile strength).

For BPC-157 and TB-500 mechanism details, see the canonical BPC-157 + TB-500 stack page.

Full research protocol — dosing table

PeptideDoseFrequencyTimingCycle length
BPC-157500 µgTwice daily SCAM + PM8 weeks
TB-5002.5 mgTwice weekly SC (load 4 wks) → 2 mg weeklyMon + Thu8 weeks
GHK-Cu1–2 mgDaily SCEvening, rotate sites6–8 weeks

Weekly research timeline

PeptideWk 1Wk 2Wk 3Wk 4Wk 5Wk 6Wk 7Wk 8
BPC-157500 µg BID500 µg BID500 µg BID500 µg BID500 µg BID500 µg BID250 µg BID250 µg BID
TB-5002.5 mg 2x2.5 mg 2x2.5 mg 2x2.5 mg 2x2.0 mg 1x2.0 mg 1x2.0 mg 1x2.0 mg 1x
GHK-Cu1 mg2 mg2 mg2 mg2 mg2 mg1 mg1 mg

Routes: SC = subcutaneous · IM = intramuscular · IN = intranasal · Oral · Topical.

Safety profile & regulatory note

Where to source these research peptides

Each peptide in this stack has a dedicated research monograph on PeptideAuthority.co.uk and a research-grade SKU at PeptideBarn.co.uk. All compounds are sold strictly for in vitro research.

Frequently asked research questions

GHK-Cu is the canonical copper-peptide regulator of collagen-I:III ratio and matrix metalloproteinase activity. While BPC-157 ignites angiogenesis and TB-500 carries the cellular remodelling, GHK-Cu modulates the final extracellular-matrix architecture — yielding less scar-tissue formation in animal-model studies.

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