Shred & Bulk Stack

Published Research

• Triple-Hormone-Receptor Agonist (Reta) for Obesity — A Phase 2 Trial — New England Journal of Medicine (2023)
• LY3437943, a novel triple glucagon, GIP, and GP-1 receptor agonist for glycemic control and weight loss — Cell Metabolism (2022)
• Triple hormone receptor agonist (Reta) for metabolic dysfunction-associated steatotic liver disease — Nature Medicine (2024)

Technical Overview

Shred & Bulk Stack is a co-formulated multi-peptide research blend offered by Platinum Biolabs for laboratory research.

Reta is a triple agonist targeting GP-1, GIP, and glucagon receptors simultaneously. In a Phase 2 trial, participants achieved up to 24.2% body weight loss at 48 weeks, making it one of the most effective weight-loss compounds studied to date.

Shred & Bulk Stack is supplied as a lyophilized powder, purified to ≥99% by HPLC and third-party tested, strictly for in-vitro laboratory research use only — not for human or veterinary use.

Specifications

Purity

≥99% (HPLC verified)

Physical Form

Co-lyophilized multi-peptide blend

Appearance

White to off-white lyophilized powder

Solubility

Soluble in bacteriostatic water

Storage

Store lyophilized at −20°C, protected from light. Reconstitute with bacteriostatic water and store at 2–8°C for short-term research use.

Format

Research reference material — for in-vitro laboratory use only

Frequently Asked Questions

What is Shred & Bulk Stack?

Shred & Bulk Stack is a premium research peptide. Combined fat-loss and lean-mass research bundle. It is supplied strictly for in-vitro laboratory research use only — not for human or veterinary use.

How fast does Shred & Bulk Stack ship?

We ship Shred & Bulk Stack within the USA only — all orders are domestic. Your package is shipped from the USA and arrives within 1–2 days.

Do you have COAs for Shred & Bulk Stack?

Yes — the Certificate of Analysis (COA) for Shred & Bulk Stack is published and available to view. Every batch is third-party tested to 99%+ purity. See the Shred & Bulk Stack COA

Can I return Shred & Bulk Stack?

Yes. Shred & Bulk Stack is backed by our 30-day return policy and 100% customer satisfaction guarantee. Read our return policy