⚖ Head-to-Head · Repair vs Immune

BPC-157 vs Thymosin Alpha-1

Mechanism, half-life, dosing & research status compared side-by-side.

BPC-157
Healing & Recovery
Not Approved
HealingRecoveryAnti-inflammatoryGut Health
BPC-157 (Body Protection Compound-157) is a synthetic 15-amino acid pentadecapeptide derived from a protective protein found in gastric juice. It is among the most widely researched peptides in the healing and recovery c…
Full BPC-157 profile →
Thymosin Alpha-1
Immune Support
Not Approved (US)
Immune SupportAnti-agingAntiviralLongevity
Thymosin Alpha-1 (TA1) is a 28-amino acid peptide naturally secreted by thymic epithelial cells, commercially available as Thymalfasin (Zadaxin). It is approved as a pharmaceutical drug in over 35 countries (including Ch…
Full Thymosin Alpha-1 profile →
Technical Specs Comparison
MetricBPC-157Thymosin Alpha-1
Research Status Extensively Studied Extensively Studied
Molecular Weight 1,419.5 Da 3,108 Da
Half-Life 4–6 hours ~2 hours
Peak Time ~1 hour ~1–2 hours
Typical Dose 200–500 µg 0.8–1.6 mg
Frequency Once or twice daily 2× weekly or daily
Route Subcutaneous / Oral Subcutaneous
Amino Acids 15 28
WADA Status Not Listed Not Listed
FDA Status Not Approved Not Approved (US)
Stack Compatibility & Key Differences
Both are active research compounds. See individual pages for full protocol data.
PK Plotter
Visualize BPC-157 plasma levels → Plot →
Frequently Asked Questions
What is the difference between BPC-157 and Thymosin Alpha-1?
BPC-157: BPC-157 (Body Protection Compound-157) is a synthetic 15-amino acid pentadecapeptide derived from a protective protein found in gastric juice. It is among the most widely researched peptides in the healing and recovery c… Thymosin Alpha-1: Thymosin Alpha-1 (TA1) is a 28-amino acid peptide naturally secreted by thymic epithelial cells, commercially available as Thymalfasin (Zadaxin). It is approved as a pharmaceutical drug in over 35 countries (including Ch…
Can you stack BPC-157 and Thymosin Alpha-1?
Both are active research compounds. See individual pages for full protocol data.
Which has a longer half-life, BPC-157 or Thymosin Alpha-1?
BPC-157 half-life: 4–6 hours. Thymosin Alpha-1 half-life: ~2 hours.
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Verified Scientific Data
All specifications on this page are sourced from peer-reviewed literature and primary research. Half-life values, dosing ranges, and mechanism data are cross-referenced against published studies. Last audited 2026-07-21.
● Peer-reviewed sources ● Audit timestamp: 2026-07-21 ● Data version: ASCEND Wiki 2026
Data sourced from ASCEND Wiki · BPC-157 profile · Thymosin Alpha-1 profile · All comparisons
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