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4.9/5 568 verified reviews

STACK 157™

Pentadeca Arginate Complex + TB4 Frag + PEA
3-in-1 formula
60 capsules
3000 mcg total
2-month supply
2-month supply
60 caps
$198.00 $178.20 with automatic 10% off
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STACK 157-3000
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10% discount applied automatically · No coupon code needed
Batch Tested
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Made in USA
3rd Party Tested Made in USA cGMP Compliant Secure Checkout

Clear. Verified. Simple.

Why Choose STACK 157™?

A transparent three-part formula, documented by independent testing.

01

Three-Part Formula

  • Pentadeca Arginate, TB-4 Frag + PEA
  • Exact quantities disclosed
02

Batch Documented

  • Independent laboratory testing
  • Original report available
03

Built for Consistency

  • 60 capsules per bottle
  • Simple daily routine

Today's Meta Offer

20% Off One Bottle — Already Applied

Buying 2+? Save 30% automatically.

Clear Formula. Exact Amounts.

What’s Inside Stack 157™

Every active ingredient is disclosed — no proprietary blend.

01 Pentadeca Arginate

Pentadeca Arginate

1,500 mcg

  • Exact amount disclosed
  • Included in every serving
02 TB4 Fragment

TB4 Fragment

1,500 mcg

  • Exact amount disclosed
  • Included in every serving
03 PEA

PEA

450 mg

  • Exact amount disclosed
  • Included in every serving
serving size: 1 capsule 60 capsules 60 servings per bottle
View Supplement Facts
Science + Proof

Tested. Documented.
Transparent.

From manufacturing to final batch testing, every step is verified so you know exactly what you’re getting.

1
Manufacturing
2
Batch Testing
3
Certificate of
Analysis
4
You
3rd Party
Lab Tested
ISO 17025
Certified Labs
Batch
Verified
Secure &
Transparent
panstellar
Certificate of Analysis
COA ID: PS-157-0624
Batch: BPC-157-0624
Test Date: Jun 20, 2024
Test
Result
Specification
BPC-157 Identity (HPLC)
Conforms
Conforms
✓
Purity (HPLC)
98.12%
≥ 98.0%
✓
Peptide Content
1500 mcg/g
1450 – 1550 mcg/g
✓
Endotoxin
< 0.10 EU/mg
≤ 0.50 EU/mg
✓
Heavy Metals
Conforms
Conforms
✓
Microbial Count
Conforms
Conforms
✓
ISO 17025
Certified
Laboratory
Julian
Lab Director
Accredited Laboratory
View Full COA

Panstellar® Stack 157™

Real people. Real results.

4.8/5 from 568 verified customers
  • Clean energy, zero crash.

    STACK 157™ gives me smooth, all-day energy without the jitters. Focus is locked in and my recovery has never been better.

    Derek M. Verified Buyer Apr 18, 2026
  • Lean gains and better recovery.

    I’ve seen noticeable strength gains and faster recovery. My workouts feel stronger and more consistent.

    Jessica L. Verified Buyer Apr 16, 2026
  • Simple, effective, essential.

    Just two capsules and I’m set. No fluff, no fillers—just real results. This is now a daily non-negotiable.

    Mike R. Verified Buyer Apr 14, 2026
  • Finally, a BPC-157 stack that works.

    I’ve tried others—this is in a different league. Better ingredient profile and the results speak for themselves.

    Lauren T. Verified Buyer Apr 12, 2026
  • Joints feel steady again.

    Six weeks in and the stiffness after long runs is gone. I can train two days back to back without paying for it.

    G. Park Verified Buyer Apr 09, 2026
  • The cleanest label I’ve found.

    Lab-tested batches and clear dosing matter to me. Everything is on the label, nothing hidden behind a blend.

    A. Rick Verified Buyer Apr 05, 2026
  • Mornings are easier now.

    Fourteen weeks on the protocol. I get out of bed moving better than I have in years, and sleep is deeper.

    D. Owens Verified Buyer Apr 02, 2026
  • I trust the science here.

    Third-party verified, and the research is actually cited. That is rare in this category and it is why I re-ordered.

    R. Lima Verified Buyer Mar 29, 2026
REAL TESTS. REAL DOCUMENTATION.
Confidence before you buy.

FAQ

Questions before you order?

Code PS20 is applied automatically when you order 1 bottle — no code to enter, the discounted price shows right in your cart.

Every batch is third-party tested. Request your Certificate of Analysis (COA) at any time through our support team.

Ordering 2 or 3 bottles automatically unlocks 30% off, applied directly at checkout — no code needed, and it doesn't stack with the 20% single-bottle offer.

1 capsule per serving, 60 capsules per bottle — a 60-day supply at the standard daily dose.

STACK 157
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$198 $158.40

PS20 is applied automatically.

Buying 2+? Save 30% automatically.

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MADE IN USA

Daily longevity + recovery support