⚖ Head-to-Head · Immune & Healing

Thymosin Alpha-1 vs BPC-157

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

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 →
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 →
Technical Specs Comparison
MetricThymosin Alpha-1BPC-157
Research Status Extensively Studied Extensively Studied
Molecular Weight 3,108 Da 1,419.5 Da
Half-Life ~2 hours 4–6 hours
Peak Time ~1–2 hours ~1 hour
Typical Dose 0.8–1.6 mg 200–500 µg
Frequency 2× weekly or daily Once or twice daily
Route Subcutaneous Subcutaneous / Oral
Amino Acids 28 15
WADA Status Not Listed Not Listed
FDA Status Not Approved (US) Not Approved
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 Thymosin Alpha-1 and BPC-157?
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… 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…
Can you stack Thymosin Alpha-1 and BPC-157?
Both are active research compounds. See individual pages for full protocol data.
Which has a longer half-life, Thymosin Alpha-1 or BPC-157?
Thymosin Alpha-1 half-life: ~2 hours. BPC-157 half-life: 4–6 hours.
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 2026-06-07.
Peer-reviewed sources Audit timestamp: 2026-06-07 Data version: ASCEND Wiki 2026
Data sourced from ASCEND Wiki · Thymosin Alpha-1 profile · BPC-157 profile · All comparisons
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