Retatrutide Price Comparison across 60 vendors

Live prices with our codes applied · Updated October 18, 2026
Today's best Retatrutide deal

Lowest price: $16.88 for 5mg at Peptinexia. Best value per mg: 100mg at Step One, $1.35/mg.

Lowest price$16.885mg, Peptinexia
Best per mg$1.35100mg, Step One
Vendors60in stock now
Sizes315mg to 100mg

Retatrutide is a triple agonist (GLP-1, GIP, and glucagon receptor) research peptide that has generated significant scientific interest for its potential effects on metabolic regulation and body composition. As one of the newest and most in-demand research compounds, prices can vary significantly across vendors. Peptideals makes it easy to compare Retatrutide prices side by side. Browse the table below to find the lowest price, check stock availability, and unlock exclusive vendor discount codes.

Best Retatrutide price by size

The cheapest in-stock option for every size, with the vendor's code already applied.

SizeVendorsCheapest atCodePrice with codePer mg
5mg15PeptinexiaPEPTIDEALS$16.88$25.00$3.38
6mg2Ameano PeptidesPEPTIDEALS$29.25$39.00$4.88
7mg1Ion PeptidePEPTIDEALS$41.65$49.00$5.95
10mg57PeptinexiaPEPTIDEALS$21.00$28.00$2.10
11mg2Fusion PeptidePEPTIDEALS$46.20$104.99$4.20
12mg4RetaOne LabsPEPTIDEALS$33.25$35.00$2.77
15mg8RetaOne LabsPEPTIDEALS$42.75$45.00$2.85
16mg1TCore BiotechPEPTIDEALS$92.15$127.99$5.76
17mg1Fusion PeptidePEPTIDEALS$56.32$127.99$3.31
20mg44PeptinexiaPEPTIDEALS$31.50$42.00$1.57
21mg1TCore BiotechPEPTIDEALS$107.99$149.99$5.14
23mg1Fusion PeptidePEPTIDEALS$66.44$150.99$2.89
24mg3Ameano PeptidesPEPTIDEALS$60.00$80.00$2.50
25mg1Longevity Pro LabsPEPTIDEALS$59.50$140.00$2.38
28mg1Fusion PeptidePEPTIDEALS$73.92$167.99$2.64
30mg41PeptinexiaPEPTIDEALS$48.75$65.00$1.63
34mg1Fusion PeptidePEPTIDEALS$84.48$191.99$2.48
36mg1Orbitrex PeptidesPEPTIDEALS$129.19$189.99$3.59
37mg1TCore BiotechPEPTIDEALS$143.99$199.99$3.89
40mg9RetaOne LabsPEPTIDEALS$122.55$129.00$3.06
43mg1Fusion PeptidePEPTIDEALS$101.20$229.99$2.35
48mg4Longevity Pro LabsPEPTIDEALS$76.50$180.00$1.59
50mg6NextGen PeptidesSPOOKY$105.00$150.00$2.10
53mg1Fusion PeptidePEPTIDEALS$118.36$268.99$2.23
58mg1Fusion PeptidePEPTIDEALS$124.96$283.99$2.15
60mg22Step OnePEPTIDEALS$99.00$110.00$1.65
65mg1Longevity Pro LabsPEPTIDEALS$85.00$200.00$1.31
66mg1Fusion PeptidePEPTIDEALS$135.52$307.99$2.05
68mg1TCore BiotechPEPTIDEALS$221.75$307.99$3.26
70mg1RetaOne LabsPEPTIDEALS$246.05$259.00$3.51
100mg4Step OnePEPTIDEALS$135.00$150.00$1.35

Compare every Retatrutide listing

Filter by size, format and vendor. Prices include each vendor's code.

Vial1

PD-3RT

Peptinexia
In Stock
Optima Supply
In Stock
Ion Peptide
In Stock

Best Retatrutide deals right now

The biggest discounts from vendors selling Retatrutide.

Watch before you buy

Unboxings from vendors that sell Retatrutide.

How to pay less for Retatrutide

Bigger vials cost less per mg

The best 5mg price works out to $3.38 per mg, while the best 100mg price is $1.35 per mg, about 60% less per mg. Check the per mg column before you pick a size.

How we compare prices

  • Every price includes the vendor's Peptideals code
  • Sales and stacked codes are tested in a real cart before we show them
  • Only in-stock listings, from vendors that passed our COA check

Watch for weekend deals

BOGO and buy 2 get 1 free sales can cut the price further. We flag them on the deals page and in our free deal alerts.

Same compound, different names

Many vendors list Retatrutide under their own names or codes. We group them so you see every listing:

3G-RT 10mg3G-RT 20mg3G-RT 36mgCP-3RDrops - ION-3REZP-3P (10 Vials/Kit)Elite-3RTFUS-3 RTGLA-3 RT (Retatrutide)GLP-3GLP-3 (RT)GLP-3 RGLP-3 RetatrutideGLP-3 Retatrutide PenGLP-3(RT)GLP3 (R)GLP3 (R) KIT of 10GLP3(R)ION-3RJN-3JN-3 - 10mg (5qty)JN-3 - 15mg (5qty)JN-3 - 20mg (5qty)JN-3 - 30mg (5qty)

Retatrutide price FAQ

What is the cheapest Retatrutide right now?

The lowest price on Peptideals today is $16.88 for 5mg at Peptinexia with code PEPTIDEALS. Prices and codes change often, so check the live table before you buy.

What is the best Retatrutide price per mg?

Among sizes sold by several vendors, 100mg at Step One is the best value right now at $1.35 per mg.

Are there Retatrutide coupon codes?

Yes. 60 vendors on Peptideals sell Retatrutide, and the prices shown already include our code for each one. Some codes stack with vendor sales for bigger discounts.

What sizes does Retatrutide come in?

You can compare 31 sizes on Peptideals, from 5mg to 100mg. Larger vials usually cost less per mg.

Why do vendors use different names for Retatrutide?

Many research vendors list Retatrutide under their own product names or codes. We group them so you can compare every listing in one place, including 3G-RT 10mg, 3G-RT 20mg, 3G-RT 36mg, CP-3R, Drops - ION-3R, EZP-3P (10 Vials/Kit), Elite-3RT, FUS-3 RT.

Does Peptideals sell Retatrutide?

No. We compare prices and deals from independent vendors. We do not sell, ship or handle any products.

Related price comparisons

Peptideals is a price comparison platform for research purposes only. We do not sell, ship, distribute or handle any products. All compounds are for in vitro laboratory research only. Prices and availability change often; always confirm the final price at checkout.