⚖ Head-to-Head · Injectable vs Oral Repair

BPC-157 vs OTR-AC

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 →
OTR-AC
Healing & Recovery
Not Approved
HealingRecoveryGut HealthAnti-inflammatory
OTR-AC refers to BPC-157 acetate taken orally at higher milligram doses -- a usage pattern that has grown significantly in research communities discussing gut repair, leaky gut, IBD, and GLP-1 peptide stacking protocols.…
Full OTR-AC profile →
Technical Specs Comparison
MetricBPC-157OTR-AC
Research Status Extensively Studied Preclinical
Molecular Weight 1,419.5 Da 1,461.5 Da (as acetate)
Half-Life 4–6 hours 4–6 hours (estimated, oral)
Peak Time ~1 hour 2–4 hours (oral)
Typical Dose 200–500 µg 2–5 mg
Frequency Once or twice daily Once daily
Route Subcutaneous / Oral Oral
Amino Acids 15 15
WADA Status Not Listed Not Listed
FDA Status Not Approved 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 BPC-157 and OTR-AC?
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… OTR-AC: OTR-AC refers to BPC-157 acetate taken orally at higher milligram doses -- a usage pattern that has grown significantly in research communities discussing gut repair, leaky gut, IBD, and GLP-1 peptide stacking protocols.…
Can you stack BPC-157 and OTR-AC?
Both are active research compounds. See individual pages for full protocol data.
Which has a longer half-life, BPC-157 or OTR-AC?
BPC-157 half-life: 4–6 hours. OTR-AC half-life: 4–6 hours (estimated, oral).
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 · OTR-AC profile · All comparisons
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