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GHK-Cu vs GLOW

Updated 8 sources

Key differences

  1. 1GLOW adds BPC-157 and TB-500 to 50 mg of GHK-Cu at a fixed ratio.
  2. 2For skin-only goals, topical GHK-Cu is where the human evidence is.
  3. 3GLOW adds repair peptides at a fixed ratio.
  4. 4For skin-only goals, topical GHK-Cu has the most human evidence.

Side by side

Facts from each record, in the same words as their own pages.
GHK-Cu and GLOW side by side
GHK-CuGLOW
Category
  • Skin & hair, Healing & recovery
  • Skin & hair, Healing & recovery
Evidence
  • Limited human data
  • No human trials
FDA status
  • Not FDA approvedRegulatory
  • Not FDA approvedRegulatory
WADA
  • Not confirmed
  • Prohibited
Half-life
  • Not measured in humans. Rat IV work shows fast breakdown to His-Lys, within minutes to a couple of hours. The 30-minute to 4-hour figures online have no source.Competitor guide
  • No value for the blend. BPC-157 clears in under 30 minutes in rats and dogs. GHK-Cu and the TB-500 fragment have no human values; full-length thymosin beta-4 by IV is cited at 0.5 to 2.1 hours.Competitor guide
Routes
  • Subcutaneous injection
  • Subcutaneous injection
Forms
  • Vial (powder), Topical
  • Vial (powder), Prefilled pen
Reported doses
  • 0.5 to 3 mg (subcutaneous injection)
  • 15 to 30 mcg/kg (subcutaneous injection)
  • 200 to 500 mcg (subcutaneous injection)
  • 1.17 to 7 mg (subcutaneous injection)
Most cited frequency
  • Once daily
  • Once daily: 10 units of a 70 mg vial in 3 mL
Vial sizes
  • 50 mg, 100 mgCompetitor guide
  • 70 mg, 42 mgCompetitor guide
Mixed vial keeps
  • Fridge at 2 to 8 C, dark, not frozen.Competitor guide
  • Fridge at 2 to 8 C, dark, upright, never frozen.Competitor guide
Protocols on file
  • 11
  • 7

Doses shown are what sources report, labelled by origin. Not medical advice.

Read each in full

Sources

8 sources, each checked by date. Record updated Oct 23, 2026. Numbers are restated in our own words and labelled by where they came from.

Regulatory2

  1. FDA to remove 12 peptides from Category 2Frier Levitt · checked Oct 23, 2026
  2. FDA panel votes to loosen restrictions for four peptidesPharmExec, via a news report · checked Oct 23, 2026

Vendor guide1

  1. GHK-Cu beyond cosmetic hype (pharmacist review, 2026-02-11)Fagron Academy · checked Oct 23, 2026

Competitor guide4

  1. GLOW stackpeptidedosingprotocols.com · checked Oct 23, 2026
  2. GLOW blend compound pagebodyhackguide.co · checked Oct 23, 2026
  3. GHK-Cu half-life and shelf lifepeptidedeck.com · checked Oct 23, 2026
  4. Wolverine stack dosage chart (thymosin beta-4 IV half-life citation)peptidedeck.com · checked Oct 23, 2026