Clinicians’ choice
Oral BPC-157 Arginate + TB4 Frag (TB-500)

Stack 157 | TB 500 ( as TB-4 Frag ) 3000mcg Capsules

3rd party testedArginate version99.9% purity
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  • 60-Day GuaranteeMoney-back, no hassle
  • Third-Party TestedEvery batch · full COA
  • Fast ShippingTracked & discreet
  • Oral CapsulesNo needles, no injections

$198.00

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Recovery for tendons, ligaments and jointsSupports joint comfort and mobility3000 mcg 3-in-1 formulaMuscle tissue growth & recoverySupports a healthy inflammatory response
60DAY60-day money-back guaranteeThat’s how confident we are. Finish the bottle — if you’re not thrilled, email your order number and we refund it. You keep what’s left.
Can I take it every day?
Yes — the format is one capsule daily. Take it at the same time each day for consistency. .
Is it orally bioavailable?
Yes. The formula uses a two-stage delivery designed to protect the peptide through the stomach. The active is 99.9% pure — no injections.
Shipping & returns
Free tracked shipping on orders over $100. Returns are covered by the 60-day money-back guarantee below.
How do I know it’s pure?
Every batch is tested by a third-party laboratory. Contact us to request the corresponding certificate of analysis.
What if it doesn’t work for me?
Email your order number within 60 days and we refund the purchase. No return shipping, no form, and you keep whatever is left in the bottle.
What is the difference between Stack, Core and Gut?
Core is the base formula, Stack adds TB-500 (as TB-4 Frag) for recovery load, and Gut targets the digestive lining. They share the same testing standard.
Christopher Williams ★★★★★
A real review with real expectations
So ive seen many reviews on here for this product, and I wanted to offer a professional opinion as to why that is. I am retired U.S. Army infantrymen, I served active duty and deployed many times with multiple life changing injuries including 2 hip …
Read all reviews
Made in USAcGMP facility
No needles100% oral

† These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.

Built for

Performance
Recovery
Joints
Gut
Resilience
Day 1

What's inside · What it does · How it's verified

Nothing hidden. Everything verifiable.

If this sounds like you

Repair that never quite catches up.

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

What Stack 157™ delivers

A regenerative complex no one else has.

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

Engineered delivery

How Stack 157 works inside.

A 90-second walkthrough of two-stage release, from stomach to deep tissue.

Step 01 · 0–4s

Swallowed

One daily capsule 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 dose 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

Why Stack 157™ stands apart

Built where most formulas stop.

★ Most completeStack 157™
Generic capsules
Single-molecule injectables
Basic supplement blends
Multi-system repair
Basic blend
Single molecule
Single-target
Precision delivery
General
Local only
General
Whole-body support
Limited
Limited
Limited
No injection · daily capsule
×
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-system repair
Stack 157™All systems
Generic capsulesBasic blend
InjectablesSingle molecule
Precision delivery
Stack 157™Two-stage
Generic capsulesGeneral
InjectablesLocal only
No injection · daily
Stack 157™Daily oral
Generic capsulesOral
InjectablesNeedle
3rd-party tested
Stack 157™Every batch
Generic capsulesNot always
InjectablesRare
Backed by 500+ studies
Stack 157™Documented
Generic capsulesLimited
InjectablesLimited

The range

Three formulas. One standard.

CORE 157
Core 157™
Daily baseline · 2-in-1
  • BPC-157 + PEA daily
  • 500–1000 mcg
  • Recovery & mobility
  • Stackable
Start here
GUT 157
Gut 157™
Gut-focused · New
  • Mucoadhesive matrix
  • Supports gut barrier integrity
  • Supports gut barrier function
  • 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

Recovery 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 · supports healthy gut barrier function
$99

Questions?
We're here.

From dosing to safety — the answers most people want before they start.

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

A daily oral recovery formula combining BPC-157 Arginate, TB500 (as TB4 Frag) and PEA in a two-stage delivery system. Designed for joints, gut and tissue support in one capsule.

How do I take it?

One capsule daily, with or without food. Pick a consistent time.

When will I feel it?

Most members notice changes within 2–3 weeks. Sustained outcomes build between 6–12 weeks.

Is it safe?

Manufactured in a GMP-certified facility, third-party tested for purity and contaminants. Consult your physician if pregnant, nursing, or on medication.

Can I stack with other products?

Yes. Designed to layer with Core 157 or Gut 157 for tailored protocols.

How does shipping work?

Free US shipping above $100. Ships 24–48h. Delivery 3–5 business days.

Refund policy?

60-day refund on unopened products. Free returns on damaged or defective items.

Pause or cancel subscription?

Anytime from your account. No commitment, no fees.

Ingredients

3 in 1.
No kitchen-sink blend.

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

BPC-157 Arginate + PEA ★

Where joint, gut & tissue repair starts.

Stabilized 15-residue regenerative complex + palmitoylethanolamide.

1500 mcg

TB500( as TB4 Frag ) ★

Deep tissue regeneration.

Short-chain regenerative fragment engineered to travel beyond the stomach.

1500 mcg

Stability matrix

The reason it survives transit.

Acidity-modulating excipients enable two-stage release.

Proprietary
Supplement Facts
Serving Size: 1 or 2 Capsules · Servings Per Container: 30 or 60
BPC-157 + PEA Formula
15-amino acid complex + palmitoylethanolamide
1500 mcg †
TB500( as TB4 Frag)
short-chain regenerative fragment
1500 mcg †

† Daily Value not established.
Other ingredients: HPMC (vegetable capsule), microcrystalline cellulose, organic carnauba wax, acidity-modulating excipients.

Benefits

Whole-body repair, one capsule.

Outcome-first. Here's what daily use is built to support.

Performance

Train harder, hold the line.

Recovery

Bounce back, sooner.

Resilience

Adapt under pressure.

Precision delivery

Reaches past the stomach.

Whole-body

Joints, gut & tissue.

Clean & tested

Tested, 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.

Email contact@panstellar.pro 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

One capsule. One ritual.

No loading phase, no cycling math. Consistency does the work.

1
Take 1 capsule daily

With or without food. Pick a time you'll remember.

2
Stay consistent

Repair builds over time. Most notice changes between weeks 2 and 6.

3
Subscribe to keep it going

Monthly delivery, pause or cancel anytime.

Real people. Real results.

4.8★★★★★Based on 780 reviews
See all 780 reviews →