Pentadeca Arginate
A newer arginate-salt relative of BPC-157, marketed for similar tissue-recovery research contexts with claimed improved stability.
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Known aliases
Understand this compound
What is Pentadeca Arginate?
Preclinical / animal onlya.k.a. PDA, BPC-157 arginate saltThe same active ingredient as BPC-157, packaged in a different salt form claimed to be more stable. It's a rebrand with no published research of its own — everything said about it leans on BPC-157's animal data.
Good to know: This is a commercially rebranded salt form with no dedicated published research of its own; claims about its distinct benefits over BPC-157 are unverified.
How does Pentadeca Arginate work?
The science
Promoted as an arginine-salt-stabilized version of the same 15-amino-acid sequence used in BPC-157, theorized to add an arginine/nitric-oxide substrate pathway alongside BPC-157's receptor-mediated signaling.
Mechanism of action from published research — how the molecule behaves, not a claim about any product or any human-use effect.
What is Pentadeca Arginate researched for?
Marketed for the same tissue-repair and anti-inflammatory research applications historically studied for BPC-157.
- Recovery & healingStudied in tissue-repair research — tendon, ligament, muscle, and wound-healing models.
- Gut healthStudied in gastrointestinal research, including gut-lining integrity and inflammatory-condition models.
How far has the research gone?
Preclinical / animal research — no peer-reviewed study has evaluated pentadeca arginate as a distinct molecule; claims rely entirely on extrapolation from BPC-157 data.
Where the science stands — an approved drug is not the same as the research-grade material a vendor sells, which is unregulated regardless.
What should I check before buying?
- Independent purity. Look for a third-party COA (Janoshik or MZ) showing a measured purity — not just a number the vendor typed.
- Batch match. The strongest evidence is a certificate for the exact batch you’ll receive, attributed to this vendor — check the cross-verification on the listing.
- Vendor reputation. See how the vendor is talked about in the community before trusting a new name.
Research context only — VialGrade never gives dosing, medical, or human-use guidance.
What the research says
Scientific evidence & regulatory status
What the published literature actually shows about Pentadeca Arginate — separate from any vendor’s marketing. Each finding links to its paper. This is education, not medical or dosing advice.
Regulatory status
No FDA-approved drug
Not FDA-approved: no FDA record of a drug or bulk substance under this name was identified, it appears on no FDA bulks list, and ClinicalTrials.gov lists no studies of it. It is sold as a variant of BPC-157 — a substance FDA evaluated separately in 2026 and proposed not to add to the section 503A compounding list, and which WADA names explicitly in class S0 (non-approved substances).
Commonly researched together
Often stacked with Pentadeca Arginate
Compounds the research community frequently discusses alongside Pentadeca Arginate. Not a protocol or a recommendation — a starting point for what to read about next.
Research-use-only — not FDA-approved
Sold “for research use only,” this compound is not FDA-approved for human use and has not been evaluated for safety, purity, or sterility in people. It is generally not a scheduled controlled substance, so buying it as a research chemical is typically not itself a drug crime — but marketing or using it as a drug is not lawful, and it is not a dietary supplement.
General information, not legal or medical advice. VialGrade sells nothing and encourages no human use.
Research notes aren’t product proof
Research summaries describe published literature and market data only. They do not establish the identity, quality, safety, or legal status of any listed physical product.