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Compounds / TB-4 Frag (Thymosin Beta-4 1-4)

TB-4 Frag (Thymosin Beta-4 1-4)

Full name
Thymosin Beta-4 fragment (Ac-SDKP / AcSDKP, N-terminal tetrapeptide)
Mechanism
N-terminal tetrapeptide of Thymosin Beta-4 (Ac-Ser-Asp-Lys-Pro). Anti-fibrotic and anti-inflammatory; inhibits collagen deposition and modulates haematopoietic stem-cell proliferation.
Half-life
short (rapidly degraded by ACE)
Administration
subcutaneous (research), infusion (animal models)
Typical dosage*
low: research-defined · typical: no established human dose · high: research-defined
Researched for
anti-fibrotic research (cardiac/renal/pulmonary), tissue-repair research
Reported side effects
limited human safety data
Interactions
ACE inhibitors raise endogenous Ac-SDKP levels (pharmacological relevance)
Commonly combined
research peptide; no protocols
Scheduling
🇦🇺 AUNot ARTG-registered; research
🇺🇸 USNot FDA-approved
🇬🇧 UKNot licensed
Regulatory status
Preclinical research peptide. Not approved.

*Doses are commonly-reported figures from public sources, not a recommendation. Educational only.

0studies
9faqs
tissue-repairanti-fibroticresearch

Studies (0)

YearTitle / venueSource
No indexed studies for this compound.

Questions (9)

What is TB-4 Frag (Thymosin Beta-4 1-4)?

TB-4 Frag (Thymosin Beta-4 1-4) (Thymosin Beta-4 fragment (Ac-SDKP / AcSDKP, N-terminal tetrapeptide)). N-terminal tetrapeptide of Thymosin Beta-4 (Ac-Ser-Asp-Lys-Pro). Anti-fibrotic and anti-inflammatory; inhibits collagen deposition and modulates haematopoietic stem-cell proliferation.

What is TB-4 Frag (Thymosin Beta-4 1-4) used for?

Commonly discussed uses: anti-fibrotic research (cardiac/renal/pulmonary), tissue-repair research. The evidence base is largely preclinical (animal/in-vitro); published randomised human clinical trials are lacking or absent. Note: most uses are not approved indications.

How does TB-4 Frag (Thymosin Beta-4 1-4) work?

Mechanism: N-terminal tetrapeptide of Thymosin Beta-4 (Ac-Ser-Asp-Lys-Pro). Anti-fibrotic and anti-inflammatory; inhibits collagen deposition and modulates haematopoietic stem-cell proliferation.

Is TB-4 Frag (Thymosin Beta-4 1-4) safe?

Reported considerations: limited human safety data. The evidence base is largely preclinical (animal/in-vitro); published randomised human clinical trials are lacking or absent. Preclinical research peptide. Not approved. This is not a safety endorsement; safety data for unapproved compounds is incomplete.

What is the typical dose of TB-4 Frag (Thymosin Beta-4 1-4)?

Commonly cited ranges (educational reference, not a recommendation): low research-defined, typical no established human dose, high research-defined. Administration: subcutaneous (research), infusion (animal models). Half-life: short (rapidly degraded by ACE).

Is TB-4 Frag (Thymosin Beta-4 1-4) legal in Australia?

Australian status: Not ARTG-registered; research. Preclinical research peptide. Not approved. General regulatory context: most active peptides are Schedule 4 and require a prescription; import via the Personal Importation Scheme requires a valid Australian prescription for prescription-only goods.

How do you store TB-4 Frag (Thymosin Beta-4 1-4)?

Reconstitution/storage reference: research-defined; storage: frozen aliquots.

What is TB-4 Frag (Thymosin Beta-4 1-4) commonly stacked with?

Commonly discussed combinations (anecdotal for unapproved compounds): research peptide; no protocols. Stacking increases interaction/safety uncertainty.