TB-500 / Thymosin Beta-4 vs GHK-Cu: Research Comparison

A Side-By-Side Research Comparison Of TB-500 / Thymosin Beta-4 And GHK-Cu - a systemic repair peptide versus a copper peptide for tissue and skin research. This Reference Compares Mechanism, Evidence Tier, Molecular Identity, And Pharmacokinetics For Qualified Researchers. For In Vitro Laboratory Research Use Only. Not Medical Advice Or Dosing Guidance.

Side-By-Side Comparison

TB-500 / Thymosin Beta-4 versus GHK-Cu research comparison
	TB-500 / Thymosin Beta-4	GHK-Cu
Category	Healing & Recovery	Skin, Hair & Cosmetics
Compound Class	Endogenous 43-amino acid thymic peptide; G-actin sequestrant and tissue-protection factor	Naturally occurring copper-binding tripeptide (Gly-His-Lys + Cu2+)
Evidence Tier	Research Compound	Cosmetic
Molecular Target	G-actin sequestration (Wiskott-Aldrich Syndrome protein WH2 domain); VEGF upregulation; integrin-linked kinase (ILK); thymosin beta-4 receptor (Tβ4R)	Extracellular matrix remodeling via MMP/TIMP balance; TGF-beta modulation; antioxidant enzyme (SOD, catalase) upregulation; VEGF and FGF stimulation
Molecular Weight	4963.4 Da	340.85 Da
Amino Acid Sequence	full Tbeta4 43 aa; TB-500 marketed fragment Ac-LKKTETQ	Gly-His-Lys + Cu(II)
CAS Number	77591-33-4 (Tbeta4)	49557-75-7 (GHK-Cu complex)
Half-Life	~30 hours	~5-10 minutes
Studied For	Dermal / corneal wound healing, Cardiac repair models, Tendon / ligament / muscle injury, Hair growth stimulation	Wound healing, Skin anti-aging, Hair loss research, Antioxidant / anti-inflammatory

Open TB-500 / Thymosin Beta-4 And GHK-Cu In The Interactive Comparison Tool

About TB-500 / Thymosin Beta-4

A research repair peptide that regulates the cytoskeleton; banned in sport and often mislabeled.

Read The Full TB-500 / Thymosin Beta-4 Monograph

About GHK-Cu

A copper skin-repair peptide with real topical cosmetic evidence.

Read The Full GHK-Cu Monograph

Key Differences

TB-500 / Thymosin Beta-4 is categorized under Healing & Recovery, while GHK-Cu falls under Skin, Hair & Cosmetics.
Evidence tier differs: TB-500 / Thymosin Beta-4 is classified as Research Compound; GHK-Cu is classified as Cosmetic.
Reported half-life differs: TB-500 / Thymosin Beta-4 at ~30 hours versus GHK-Cu at ~5-10 minutes.
Primary molecular target differs: TB-500 / Thymosin Beta-4 acts on G-actin sequestration (Wiskott-Aldrich Syndrome protein WH2 domain); VEGF upregulation; integrin-linked kinase (ILK); thymosin beta-4 receptor (Tβ4R); GHK-Cu acts on Extracellular matrix remodeling via MMP/TIMP balance; TGF-beta modulation; antioxidant enzyme (SOD, catalase) upregulation; VEGF and FGF stimulation.

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TB-500 / Thymosin Beta-4 · GHK-Cu · Compare Tool · Research Library

This Comparison Is Provided For In Vitro Laboratory Research Use Only. Not For Human Consumption, Diagnosis, Or Treatment. See The Full Research Disclaimer.