Free Vial EventBuy any 2 vials, get a free BAC Water 3ml · Buy 3 get 1 free · Buy 5 get 2 free · Buy 6 get 3 freeor take 30% off your order with code SUMMIT30Shop Now
GLP-3RT research peptide vial — Metabolic — North Summit Labs
Metabolic

GLP-3RT

Triple agonist research peptide (GLP-1 / GIP / glucagon) studied for metabolic and body-composition endpoints.

Available Strengths
  • 10mg$64.99
  • 15mgSold Out$79.99
  • 20mgSold Out$85.99
  • 30mgSold Out$119.99
Buy More, Get Free Vials
1 VialStandard$64.99 ea
4 VialsBuy 3 get 1 free$48.74 ea
Most Popular7 VialsBuy 5 get 2 free$46.42 ea
Best Value9 VialsBuy 6 get 3 free$43.33 ea

Same-item offer: Buy 3 get 1 free · Buy 5 get 2 free · Buy 6 get 3 free. Applied automatically at checkout.

Contact for Order
Independently Tested
COA on request
≥ 99% Purity
HPLC verified
Ships Nationwide
All 50 states
Peptide Calculator — reconstitution & syringe units
Work out BAC water volume, mg/mL concentration, and exact insulin-syringe units for GLP-3RT.

Customer Reviews

  • Autumn E. Verified Purchase
    April 30, 2026

    "Really good experience. My one gripe is the confirmation email is longer than it needs to be. That's it."

    Helpful (4)
  • Michael T. Verified Purchase
    June 18, 2026

    "First order with North Summit and it went how you'd hope. Two minutes to check out, tracking the same day, vial packed so it couldn't move. Label looked sharp too. I'll be using them again."

    Helpful (12)
  • Jordan M. Verified Purchase
    July 14, 2026

    "Second purchase and it went just like the first. Quick shipping, good packaging, they kept me updated."

    Helpful (3)
  • Josie A. Verified Purchase
    July 2, 2026

    "Third order and it's been identical every time. That's what wins me over."

    Helpful (17)
  • Ashley R. Verified Purchase
    June 30, 2026

    "Everything was organized. Confirmations came right away, the tracking was accurate, and the packaging was secure without being a whole production to open."

    Helpful (12)
  • Nathan B. Verified Purchase
    July 19, 2026

    "Happy with it overall. Would've liked one more update after it left the warehouse, but that's a carrier thing more than a seller thing. Support was on it when I asked."

    Helpful (12)
  • Eric H. Verified Purchase
    July 17, 2026

    "Simple to order and it presented really well when it arrived. On time, nothing damaged."

    Helpful (16)
  • Grady N. Verified Purchase
    June 12, 2026

    "Support helped me out before I'd even spent a dollar. Answered a couple questions about strengths and shipping without rushing me."

    Helpful (13)
  • Kevin S. Verified Purchase
    July 10, 2026

    "Easy site to get around and checkout doesn't make you jump through hoops. Package showed up exactly like I expected."

    Helpful (24)
  • Renee D. Verified Purchase
    June 26, 2026

    "Packaging felt like it cost them something, which matters when you're buying sight unseen."

    Helpful (11)
  • Beckett H. Verified Purchase
    May 19, 2026

    "Fast, clean, done."

    Helpful (4)
  • Silas M. Verified Purchase
    July 15, 2026

    "Efficient from click to doorstep."

    Helpful (19)
  • Marianne K. Verified Purchase
    June 8, 2026

    "Asked for the COA and had it a few hours later. No chasing anybody down."

    Helpful (17)
  • Chase L. Verified Purchase
    May 24, 2026

    "Ordered Wednesday, had it Friday. That kind of speed makes a real difference when you're planning around it."

    Helpful (15)
  • Daniel C. Verified Purchase
    July 5, 2026

    "Looked great when it got here and ordering was simple. USPS added a day but support answered my email fast and kept me posted, so no hard feelings."

    Helpful (6)
  • Wyatt F. Verified Purchase
    May 3, 2026

    "Labels straight and readable, box packed clean. Nothing sloppy about it."

    Helpful (24)
Add Your Review
Rating

About GLP-3RT

GLP-3RT is a triple receptor agonist acting on GLP-1, GIP, and glucagon receptor pathways, making it a compound of interest for laboratories investigating multi-receptor crosstalk in metabolic signaling models.

In preclinical research, GLP-3RT is frequently used as a comparator against single- and dual-agonist compounds to characterize differential receptor engagement and downstream signaling cascades in cell-based assays.

North Summit Labs sources each GLP-3RT lot for independent third-party analytical verification, and a Certificate of Analysis for the shipped lot is available on our COA page.

Research Areas

  • Triple receptor agonist signaling
  • Comparative GLP-1/GIP/glucagon studies
  • Body-composition pathway modeling
  • Metabolic receptor crosstalk

Specifications

FormLyophilized powder
Quantity per vial10mg
AppearanceWhite to off-white lyophilized powder
SKUNSL-RETA-10

Storage & Handling

  • Store lyophilized vials at -20°C for long-term laboratory storage; short-term storage at 2–8°C is acceptable for materials in active use.
  • Protect vials from light and repeated freeze-thaw cycles; aliquot before freezing where practical.
  • Once a vial has been opened in a laboratory setting, use within the timeframe recommended by your institution's SOPs and document handling in your lab notebook.
  • Keep sealed vials in a desiccated environment; humidity exposure can degrade lyophilized peptide material over time.

Testing & Quality

Every lot of GLP-3RT undergoes independent third-party HPLC/MS analysis. A COA for the current shipped lot is published on our COA page.

Learn more about our sourcing and testing process on our Testing & Quality page. View the current lot's Certificate of Analysis.

Research reference

Retatrutide is an investigational synthetic peptide agonist at three incretin-family receptors — GIP, GLP-1, and glucagon. It has been characterized in published randomized trials in metabolic research, remains investigational rather than approved, and is supplied here strictly as a laboratory research material.

Read the Retatrutide research overview

Shipping & Returns

Free U.S. shipping on orders over $200; otherwise a flat $9.99 shipping rate applies. All sales are final. See our full Shipping & Returns policy for details.

Frequently Asked Questions

Is GLP-3RT a single compound or a blend?

It is a single synthetic peptide engineered to act on three receptor pathways (GLP-1, GIP, and glucagon) simultaneously.

Can I see the COA before ordering?

Yes, the current lot's Certificate of Analysis is posted on our testing & quality / COA page.

What quantity ships per vial?

Each vial contains 10mg of lyophilized GLP-3RT research material.

Related Metabolic Research Peptides

MOTS-c 40mg research peptide vial — Metabolic — North Summit Labs
Metabolic

MOTS-c

Mitochondrial-derived research peptide studied for metabolic and cellular energy endpoints.

$109.99
40mg
For Research Use Only

All products sold by North Summit Labs are intended strictly for in-vitro laboratory research and are not for human or animal consumption.