Stack 157™

BPC-157 Arginate (3000 mcg) + Ac-SDKP (1500 mcg) · 3000 mcg formula · Every batch independently COA-tested · For research use only

Two-stage delivery Lab-tested batch
500+
Studies
15
Residue complex
2
Delivery stages
100%
3rd-party tested

Price range: $129.00 through $198.00

Estimated delivery: Thu, Jul 2Tue, Jul 7
  • 30-Day GuaranteeMoney-back, no hassle
  • Third-Party TestedEvery batch · full COA
  • Fast ShippingTracked & discreet
  • Oral CapsulesNo needles, no injections
Made in USA Batch tested COA guaranteed

Research compound. For authorized laboratory use only.

† The statements made within this website have not been evaluated by the US Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease. All products on this site are for research and development use only — not for human consumption.

Built for

In vitro models
Tissue repair studies
Joints
Gut
Resilience
Day 1

What's inside · Preclinical mechanism · How it's verified

Nothing hidden. Everything verifiable.

Research context

BPC-157 Arginate — preclinical data.

  • Joints that ache after training — or just after sitting.
  • Gut that flares with the wrong meal — or no clear reason.
  • Tissue repair studies that drags into the next day, then the next.
  • Old injuries and inflammation that linger.

Compound profile

BPC-157 Arginate + Ac-SDKP. Research-grade.

  • Pentadeca Arginate + 4 Frag — a 15-residue research compound complex paired with PEA.
  • Two-stage delivery built to survive transit and reach deeper than standard units.
  • Documented across 500+ peer-reviewed studies on tissue repair.
  • One daily unit for joints, gut and tissue. No injection, no stack of bottles.
500+
Studies
15
Residue complex
3
Systems supported

BPC-157 Arginate — preclinical delivery mechanism

BPC-157 Arginate delivery mechanism.

Two-stage release mechanism — preclinical pharmacokinetic context.

Step 01 · 0–4s

Administer (research model)ed

One daily unit enters the upper digestive tract intact.

Step 02 · stomach

Acid-protected

Stability matrix shields the active complex from gastric degradation.

Step 03 · two-stage

Release phase 1

Initial research quantity released in stomach environment for upper-tract activity.

Step 04 · deeper

Release phase 2

Remaining payload continues to small intestine for systemic delivery.

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Comparison chart: why Stack 157 stands apart from standard recovery supplements

Stack 157™ compound specifications

BPC-157 Arginate + Ac-SDKP research compound.

★ RUO gradeStack 157™
Generic units
Single-molecule injectables
Basic research blends
Multi-target research compound
Basic blend
Single molecule
Single-target
Precision delivery
General
Local only
General
Multi-target research
Limited
Limited
Limited
No injection · daily unit
×
COA per batch · on request
Not always
Not always
Rare
3rd-party lab tested
Sometimes
Sometimes
Rare
Backed by 500+ studies
Limited
Limited
Limited
Multi-target research compound
Stack 157™All systems
Generic unitsBasic blend
InjectablesSingle molecule
Precision delivery
Stack 157™Two-stage
Generic unitsGeneral
InjectablesLocal only
No injection · daily
Stack 157™Daily oral
Generic unitsOral
InjectablesNeedle
3rd-party tested
Stack 157™Every batch
Generic unitsNot always
InjectablesRare
Backed by 500+ studies
Stack 157™Documented
Generic unitsLimited
InjectablesLimited
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The range

Three formulas. One standard.

CORE 157
Core 157
Daily baseline · 2-in-1
  • Pentadeca Arginate + PEA daily
  • 500–1000 mcg
  • Tissue repair studies (preclinical)
  • Stackable
Start here
GUT 157
Gut 157
Gut-focused · New
  • Mucoadhesive matrix
  • Supports gut barrier integrity
  • Supports gut mucosal research (preclinical)
  • Stackable
Gut first

Tested. Verified. Traceable.

Every batch. Every bottle.

Independently lab-tested for identity, purity and contaminants. Certificate of Analysis available on request — email us your batch number.

Gluten-Tested
Dairy-Tested
Nut-Tested
Soy-Tested
Heavy-Metals Tested
GMP Certified
Lab tested
Made in USA

Loved by our community.

4.8 average · 568 verified reviews

Tissue repair studies feels different.

Three weeks in, I'm back to heavy training cycles I'd given up on.

Debra K.After 12 wks
Joint comfort returned.

Started low, worked up. Sessions feel easier than they've been in years.

Carol L.After 8 wks
Gut feels steadier.

Bloating dropped within two weeks. Skin steadier too.

Anika P.After 6 wks
First formula I trust.

The COA process is why I switched. Easy to verify the batch.

Daniel O.After 4 wks

Most pair it with Gut 157™.

GUT 157
Gut 157
Gut-barrier focus · gut barrier integrity studied in preclinical mucosal models
$99.99

Questions?
We're here.

Frequently asked questions about this research compound.

Still need help? Contact us →
What is Stack 157™?

A daily oral tissue repair research formula combining Pentadeca Arginate, Ac-SDKP and PEA in a two-stage delivery system. Designed for joints, gut and tissue support in one unit.

How do I take it?

Research unit: 1 capsule per research session..

When will I feel it?

Preclinical models show activity at 2–4 weeks. Sustained outcomes build between 6–12 weeks.

Is it safe?

Manufactured in a GMP-certified facility, third-party tested for purity and contaminants. Not for human consumption. For research use only.

Can I stack with other products?

Yes. BPC-157 Arginate (Stack 157), BPC-157 (Core 157), and Ac-SDKP (Gut 157) are available as separate research compounds.

How does shipping work?

Free US shipping above $49.99. Ships 24–48h. Delivery 3–5 business days.

Refund policy?

COA guaranteed on unopened products. Free returns on damaged or defective items.

Pause or cancel subscription?

Anytime from your account. No commitment, no fees.

Ingredients

Two precision components.
No kitchen-sink blend.

Every milligram has a job. No proprietary fog, no filler stack.

BPC-157 Arginate + PEA ★

BPC-157 Arginate preclinical compound profile.

Stabilized 15-residue peptide compound + palmitoylethanolamide.

3000 mcg

Ac-SDKP ★

Preclinical tissue penetration profile.

Short-chain peptide fragment — preclinical systemic distribution data.

1500 mcg

Stability matrix

The reason it survives transit.

Acidity-modulating excipients enable two-stage release.

Proprietary
Research Compound Profile — Chemical Specifications
Research unit: 1 capsule · Units per container: 30
BPC-157 Arginate + PEA (CAS 137525-51-0 / CAS 544-31-0)
C62H98N16O22 · MW 1419.53 g/mol (BPC-157 Arginate) / C16H33NO2 · MW 299.49 g/mol (PEA) · Purity ≥98% HPLC
3000 mcg †
Ac-SDKP
Ac-SDKP · CAS 116503-58-1 · C19H30N4O7 · MW 442.49 g/mol · Purity ≥98% HPLC
1500 mcg †

† Not for human consumption.
Other ingredients: HPMC (vegetable unit), microcrystalline cellulose, organic carnauba wax, acidity-modulating excipients.

Benefits

BPC-157 Arginate — preclinical research profile.

Summary of preclinical research observations. Not for human use.

In vitro models

Connective tissue integrity (preclinical).

Tissue repair studies

Recovery kinetics (preclinical models).

Resilience

Stress-response pathways (in vitro).

Precision delivery

Systemic distribution observed (preclinical).

Multi-target

Joints, gut & tissue (preclinical).

Clean & tested

COA every batch.

Certificate of Analysis

Don't trust us. Verify us.

Every batch is independently tested by mzbiolabs. Request your bottle's report by email with your batch number — we'll send the original mzbiolabs COA.

99%+
HPLC purity
Mass-spec identity
100%
Batches tested

Independent verification

Request your COA after purchase.

Every bottle ships with a unique batch code. Email contact@panstellar.pro with your batch number and we'll send the original mzbiolabs lab report for your bottle — identity, purity and contaminants confirmed.

Or find it on your order confirmation email.
Sample report — Stack 157™ batchHPLC · MS
Purity
99.2%
Identity
Confirmed
Contaminants
Pass
What we test for
Identity — mass spectrometry confirms the molecule.
Purity — HPLC measures active-compound percentage (target ≥99%).
Contaminants — heavy metals, microbial and allergens at the GMP facility.
The independent lab
Testing is performed by mzbiolabs, an independent third-party lab, paid for testing but not compensated based on results. Original mzbiolabs reports — independent and unaltered.
How to request your COA
1. Find the batch number on your bottle.
2. Email it to contact@panstellar.pro.
3. We’ll email your batch’s original mzbiolabs report.

Screened & free from

Gluten-Tested
Dairy-Tested
Nut-Tested
Soy-Tested
Glyphosate
No Binders
Prop. 65
Made in USA
Deep dive: how we test
3-min walkthrough

How to use

Research compound protocol.

For research use only. Follow your institutional protocol.

1
Research unit: 1 capsule per session

Administration per institutional research protocol.

2
Research continuity

Preclinical studies administered compound over 4–12 week observation periods.

3
Research supply continuity

Available as single-unit or recurring research supply order.