Buyer's guide · November 2026 · 155 suppliers · United States · page 5 of 6

Where to buy Retatrutide in the US: compare suppliers

Suppliers 121 to 150 of 154 with Retatrutide on sale based in the US, in PepFinder Score order. Back to the first page for the price range, market history and questions.

Prices checked 8 Nov 2026 · 774 listings · 693 confirmed in stock · 66 out of stock · Incretin analogues

Retatrutide · listed price per mg

USD · single vials · 125 suppliersmedian US$7.50/mg

US$1.67/mgUS$39.00/mg

Multi-vial packs: US$0.63/mg to US$12.24/mg, median US$3.66/mg (136 listings), shown separately.

Each currency is shown separately; prices are never converted. Packs of several vials are compared per mg of the whole pack, apart from single vials.

Sort byVial sizeForm Confirmed in stock only Include out of stock Test certificate on file Based in United States

Suppliers 121–150 of 154 with listings on sale (1 more with everything out of stock) · prices in USD only, never converted

121

Peptide Researches

US based

Third-party testing stated

31 products tracked · Ships to 36 countries

5.8/ 10PepFinder Score

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From US$4.98/mg (60 mg vial)

Listing as named	Size	Price	Per mg	Stock
RETA 10 MG	10 mg	US$149.00	US$14.90/mg	In stock	On their site ↗
RETA 15 MG	15 mg	US$159.00	US$10.60/mg	In stock	On their site ↗
RETA 20 MG	20 mg	US$179.00	US$8.95/mg	In stock	On their site ↗
RETA 30 MG	30 mg	US$239.00	US$7.97/mg	In stock	On their site ↗
RETA 40 MG	40 mg	US$269.00	US$6.73/mg	In stock	On their site ↗
RETA 60 MG	60 mg	US$299.00	US$4.98/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

122

Pivot labs

US based

Third-party testing statedCOA page linked, not reviewed

65 products tracked

5.8/ 10PepFinder Score

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From US$6.98/mg (50 mg vial)

Listing as named	Size	Price	Per mg	Stock
GLP-3RT, 10mg	10 mg	US$75.00	US$7.50/mg	In stock	On their site ↗
GLP-3RT, 20mg	20 mg	US$195.00	US$9.75/mg	In stock	On their site ↗
GLP-3RT, 30mg	30 mg	US$249.00	US$8.30/mg	In stock	On their site ↗
GLP-3RT, 50mg	50 mg	US$349.00	US$6.98/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

123

Pure Bio Labs

US based

Third-party testing statedCOA page linked, not reviewed

68 products tracked

5.8/ 10PepFinder Score

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From US$4.44/mg (pack of 3 × 30 mg)

Listing as named	Size	Price	Per mg	Stock
GLP-3 VIAL (10MG)	3 × 10 mg 30 mg in total	US$150.00	US$5.00/mg	In stock	On their site ↗
GLP-3 VIAL (20MG)	3 × 20 mg 60 mg in total	US$280.00	US$4.67/mg	In stock	On their site ↗
GLP-3 VIAL (30MG)	3 × 30 mg 90 mg in total	US$400.00	US$4.44/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

124
Stack Research
US based
COA page linked, not reviewed
17 products tracked · Delivery Report visible damage, an incorrect or missing item, a seal or labeling problem, or a supported product-specific temperature concern in writing within 48 hours after the carrier’s delivery scan.
Pays byCardCrypto
5.8/ 10PepFinder Score
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From US$8.33/mg (30 mg vial)
Listing as named Size Price Per mg Stock
GLP-3 (RT) 10 mg US$119.90 US$11.99/mg In stock On their site ↗
GLP-3 (RT) 30 mg US$249.90 US$8.33/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
125
Improved Peptides
US based
Third-party testing statedCOA page linked, not reviewed
23 products tracked
Pays byCardPayPal
3.8 Trustpilot(2)
5.7/ 10PepFinder Score
Visit store View review
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Listing as named Size Price Per mg Stock
GLP-3R As listed US$110.00 — In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
126
Ascension Labs
US based
Third-party testing statedCOA page linked, not reviewed
9 products tracked
5.6/ 10PepFinder Score
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From US$7.00/mg (10 mg vial)
Listing as named Size Price Per mg Stock
RETA GLP-3RT Tri-Agonist Research Peptide 10mg 10 mg US$69.99 US$7.00/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

Listing as named	Size	Price	Per mg	Stock
GLP-3 (RT)	10 mg	US$119.90	US$11.99/mg	In stock	On their site ↗
GLP-3 (RT)	30 mg	US$249.90	US$8.33/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
GLP-3R	As listed	US$110.00	—	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
RETA GLP-3RT Tri-Agonist Research Peptide 10mg	10 mg	US$69.99	US$7.00/mg	In stock	On their site ↗

127

Nordic Peptide

US based

Third-party testing stated

43 products tracked

5.6/ 10PepFinder Score

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From US$12.00/mg (30 mg vial)

Listing as named	Size	Price	Per mg	Stock
Retatrutide	10 mg	US$140.00	US$14.00/mg	In stock	On their site ↗
Retatrutide	20 mg	US$250.00	US$12.50/mg	In stock	On their site ↗
Retatrutide	30 mg	US$360.00	US$12.00/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

128
Peptides For Sale Online
US based
Third-party testing statedCOA page linked, not reviewed
14 products tracked
Pays byCard
5.6/ 10PepFinder Score
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From US$4.83/mg (60 mg vial)
Listing as named Size Price Per mg Stock
RETA GLP-3 30mg 30 mg US$198.99 US$6.63/mg Not stated On their site ↗
RETA GLP-3 60mg 60 mg US$289.99 US$4.83/mg Not stated On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

Listing as named	Size	Price	Per mg	Stock
RETA GLP-3 30mg	30 mg	US$198.99	US$6.63/mg	Not stated	On their site ↗
RETA GLP-3 60mg	60 mg	US$289.99	US$4.83/mg	Not stated	On their site ↗

129

Prime Lab Peptides

US based

Third-party testing statedCOA page linked, not reviewed

53 products tracked

5.5/ 10PepFinder Score

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From US$8.13/mg (24 mg vial)

Listing as named	Size	Price	Per mg	Stock
Retatrutide – 6mg	6 mg	US$90.00	US$15.00/mg	In stock	On their site ↗
Retatrutide – 12mg	12 mg	US$150.00	US$12.50/mg	In stock	On their site ↗
Retatrutide – 24mg	24 mg	US$195.00	US$8.13/mg	In stock	On their site ↗
Retatrutide – 6mg (10 Vials)	10 × 6 mg 60 mg in total	US$592.50	US$9.88/mg	In stock	On their site ↗
Retatrutide – 12mg (10 Vials)	10 × 12 mg 120 mg in total	US$875.00	US$7.29/mg	In stock	On their site ↗
Retatrutide – 24mg (10 Vials)	10 × 24 mg 240 mg in total	US$1,300.00	US$5.42/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

130

Limitless Biotech

US based

Third-party testing statedCOA page linked, not reviewed

293 products tracked · Ships to 1 country

Pays byCardCryptoPayPal

Warning: Not confirmed as Limitless Life Nootropics Details

5.4/ 10PepFinder Score

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From US$4.24/mg (50 mg vial)

Listing as named	Size	Price	Per mg	Stock
GLP-3R Peptide	5 mg	US$46.00	US$9.20/mg	In stock	On their site ↗
Buy Retatrutide for sale (8mg/16mg)	8 mg	US$190.00	US$23.75/mg	In stock	On their site ↗
GLP-3R Peptide	10 mg	US$95.00	US$9.50/mg	In stock	On their site ↗
Retatrutide Peptide Buy Online	10 mg	US$105.00	US$10.50/mg	In stock	On their site ↗
GLP-3R Peptide	15 mg	US$118.00	US$7.87/mg	In stock	On their site ↗
Retatrutide Peptide Buy Online	20 mg	US$200.00	US$10.00/mg	In stock	On their site ↗

+ 8 more on the full catalogue.

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

131

Onyx Research

US based

Third-party testing statedCOA page linked, not reviewed

59 products tracked

5.4/ 10PepFinder Score

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From US$3.92/mg (60 mg vial)

Listing as named	Size	Price	Per mg	Stock
GLP-3 RT	10 mg	US$75.00	US$7.50/mg	In stock	On their site ↗
GLP-3 RT	20 mg	US$135.00	US$6.75/mg	In stock	On their site ↗
GLP-3 RT	30 mg	US$155.00	US$5.17/mg	In stock	On their site ↗
GLP-3 RT	60 mg	US$235.00	US$3.92/mg	In stock	On their site ↗
GLP-3 RT — Box of 10	10 × 10 mg 100 mg in total	US$705.00	—	In stock	On their site ↗
GLP-3 RT — Box of 10	10 × 20 mg 200 mg in total	US$1,215.00	—	In stock	On their site ↗

+ 2 more on the full catalogue.

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

132

Regentide

US based

COA page linked, not reviewed

45 products tracked

5.4/ 10PepFinder Score

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From US$12.30/mg (20 mg vial)

Listing as named	Size	Price	Per mg	Stock
Retatrutide 10mg	10 mg	US$169.99	US$17.00/mg	In stock	On their site ↗
Retatrutide 20mg	20 mg	US$245.99	US$12.30/mg	In stock	On their site ↗
Retatrutide 30mg	30 mg	US$375.99	US$12.53/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

133

CaribePeptides

COA page linked, not reviewed

50 products tracked

5.3/ 10PepFinder Score

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From US$2.67/mg (30 mg vial)

Listing as named	Size	Price	Per mg	Stock
G³-Reta	5 mg	US$35.00	US$7.00/mg	In stock	On their site ↗
G³-Reta	10 mg	US$50.00	US$5.00/mg	In stock	On their site ↗
G³-Reta	20 mg	US$70.00	US$3.50/mg	In stock	On their site ↗
G³-Reta	30 mg	US$80.00	US$2.67/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

134

evolabsus.co

US based

52 products tracked

5.0/ 10PepFinder Score

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From US$9.70/mg (50 mg vial)

Listing as named	Size	Price	Per mg	Stock
GLP2-T / GLP3-R 10mg \| Research Blend (2.5 mg + 7.5 mg)	10mg Blend	US$222.00	—	In stock	On their site ↗
GLP3-R Amino-Sequence Research Compound	13 mg	US$299.00	US$23.00/mg	In stock	On their site ↗
GLP3-R Amino-Sequence Research Compound	50 mg	US$485.00	US$9.70/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

135
Cernum Biosciences
US based
Third-party testing statedCOA page linked, not reviewed
40 products tracked
3.4 Trustpilot(4)
4.9/ 10PepFinder Score
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From US$15.80/mg (5 mg vial)
Listing as named Size Price Per mg Stock
GLP-3 RT 5 mg US$78.99 US$15.80/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

Listing as named	Size	Price	Per mg	Stock
GLP-3 RT	5 mg	US$78.99	US$15.80/mg	In stock	On their site ↗

136

CellGenic

US based

COA page linked, not reviewed

103 products tracked

4.7/ 10PepFinder Score

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From US$6.50/mg (60 mg vial)

Listing as named	Size	Price	Per mg	Stock
Retatrutide	5 mg	US$155.00	US$31.00/mg	In stock	On their site ↗
Retatrutide	10 mg	US$170.00	US$17.00/mg	In stock	On their site ↗
Retatrutide	20 mg	US$260.00	US$13.00/mg	In stock	On their site ↗
Retatrutide	30 mg	US$290.00	US$9.67/mg	In stock	On their site ↗
Retatrutide	40 mg	US$320.00	US$8.00/mg	In stock	On their site ↗
Retatrutide	50 mg	US$340.00	US$6.80/mg	In stock	On their site ↗

+ 1 more on the full catalogue.

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

137
Swiss Peptides Labs
US based
Third-party testing stated
13 products tracked
4.7/ 10PepFinder Score
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From US$24.33/mg (30 mg vial)
Listing as named Size Price Per mg Stock
RETATRUTIDE 10 mg US$365.00 US$36.50/mg In stock On their site ↗
RETATRUTIDE 30 mg US$730.00 US$24.33/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
138
Warrior Peptides
US based
4 products tracked
4.7/ 10PepFinder Score
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From US$9.00/mg (10 mg vial)
Listing as named Size Price Per mg Stock
RETATRUTIDE 10MG 10 mg US$90.00 US$9.00/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

Listing as named	Size	Price	Per mg	Stock
RETATRUTIDE	10 mg	US$365.00	US$36.50/mg	In stock	On their site ↗
RETATRUTIDE	30 mg	US$730.00	US$24.33/mg	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
RETATRUTIDE 10MG	10 mg	US$90.00	US$9.00/mg	In stock	On their site ↗

139

The Swiss Pep

US based

Third-party testing stated

17 products tracked

4.6/ 10PepFinder Score

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From US$10.00/mg (20 mg vial)

Listing as named	Size	Price	Per mg	Stock
RETATRUTIDE 10MG \| Triple-Agonist Metabolic Research Peptide	10 mg	US$160.00	US$16.00/mg	In stock	On their site ↗
RETATRUTIDE 20MG \| Triple-Agonist Metabolic Research Peptide	20 mg	US$200.00	US$10.00/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

140
ExpertPeptides.com
US based
COA page linked, not reviewed
22 products tracked
4.3/ 10PepFinder Score
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From US$13.33/mg (12 mg vial)
Listing as named Size Price Per mg Stock
Retatrutide 6mg 6 mg US$109.99 US$18.33/mg In stock On their site ↗
Retatrutide 12mg 12 mg US$159.99 US$13.33/mg In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

Listing as named	Size	Price	Per mg	Stock
Retatrutide 6mg	6 mg	US$109.99	US$18.33/mg	In stock	On their site ↗
Retatrutide 12mg	12 mg	US$159.99	US$13.33/mg	In stock	On their site ↗

141

CorePeptide

US based

Third-party testing statedCOA page linked, not reviewed

220 products tracked

–PepFinder Score

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From US$8.75/mg (20 mg vial)

Listing as named	Size	Price	Per mg	Stock
Reta 5mg	5 mg	US$81.90	US$16.38/mg	In stock	On their site ↗
Reta 10mg	10 mg	US$104.00	US$10.40/mg	In stock	On their site ↗
Reta 15mg	15 mg	US$131.30	US$8.75/mg	In stock	On their site ↗
Reta 20mg	20 mg	US$175.00	US$8.75/mg	In stock	On their site ↗
Reta Peptide	As listed	US$19.02	—	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

142

havocresearch.com

US based

64 products tracked

–PepFinder Score

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From US$5.98/mg (50 mg vial)

Listing as named	Size	Price	Per mg	Stock
GLP-3RT	10 mg	US$128.99	US$12.90/mg	In stock	On their site ↗
GLP-3RT	30 mg	US$220.99	US$7.37/mg	In stock	On their site ↗
GLP-3RT	50 mg	US$298.99	US$5.98/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

143

Maximum Peptides

COA page linked, not reviewed

56 products tracked

–PepFinder Score

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From US$4.75/mg (60 mg vial)

Listing as named	Size	Price	Per mg	Stock
Retatrutide 14MG (GLP3-R)	14 mg	US$89.00	US$6.36/mg	Not stated	On their site ↗
Retatrutide 20MG (GLP3-R)	20 mg	US$105.00	US$5.25/mg	Not stated	On their site ↗
Retatrutide GLP3-R 30MG	30 mg	US$149.00	US$4.97/mg	Not stated	On their site ↗
Retatrutide 60MG (GLP3-R)	60 mg	US$285.00	US$4.75/mg	Not stated	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

144

Nexiom Research

US based

Third-party testing stated

25 products tracked

–PepFinder Score

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From US$4.50/mg (60 mg vial)

Listing as named	Size	Price	Per mg	Stock
GLP3-R	10 mg	US$135.00	US$13.50/mg	In stock	On their site ↗
GLP3-R	30 mg	US$198.00	US$6.60/mg	In stock	On their site ↗
GLP3-R	40 mg	US$216.00	US$5.40/mg	In stock	On their site ↗
GLP3-R	60 mg	US$270.00	US$4.50/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

145

oupeptide.com

US based

Third-party testing statedCOA page linked, not reviewed

18 products tracked · Ships to 36 countries

Pays byCryptoPayPal

–PepFinder Score

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From US$1.27/mg (pack of 10 × 30 mg)

Listing as named	Size	Price	Per mg	Stock
Reta	10 × 5 mg 50 mg in total	US$115.00	US$2.30/mg	In stock	On their site ↗
Reta	10 × 10 mg 100 mg in total	US$170.00	US$1.70/mg	In stock	On their site ↗
Reta	10 × 15 mg 150 mg in total	US$230.00	US$1.53/mg	In stock	On their site ↗
Reta	10 × 20 mg 200 mg in total	US$290.00	US$1.45/mg	In stock	On their site ↗
Reta	10 × 30 mg 300 mg in total	US$380.00	US$1.27/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

146
Peptide.Express
Third-party testing statedCOA page linked, not reviewed
32 products tracked · Ships to the US
Pays byCrypto
–PepFinder Score
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Listing as named Size Price Per mg Stock
Retatrutide Pen 15mg 15mg
Liquid
US$179.00 — In stock On their site ↗
Retatrutide Pen 30mg 30mg
Liquid
US$249.00 — In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.
147
PeptideAtlas
US based
Third-party testing statedCOA page linked, not reviewed
42 products tracked
–PepFinder Score
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Listing as named Size Price Per mg Stock
Retatrutide (research peptide) As listed US$89.99 — In stock On their site ↗
Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

Listing as named	Size	Price	Per mg	Stock
Retatrutide Pen 15mg	15mg Liquid	US$179.00	—	In stock	On their site ↗
Retatrutide Pen 30mg	30mg Liquid	US$249.00	—	In stock	On their site ↗

Listing as named	Size	Price	Per mg	Stock
Retatrutide (research peptide)	As listed	US$89.99	—	In stock	On their site ↗

148

peptidecrafters.com

US based

Third-party testing statedCOA page linked, not reviewed

52 products tracked

–PepFinder Score

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From US$6.00/mg (30 mg vial)

Listing as named	Size	Price	Per mg	Stock
GLP-3 (R) 10mg	10 mg	US$70.00	US$7.00/mg	In stock	On their site ↗
GLP-3 (R) 15mg	15 mg	US$105.00	US$7.00/mg	In stock	On their site ↗
GLP-3 (R) 20mg	20 mg	US$150.00	US$7.50/mg	In stock	On their site ↗
GLP-3 (R) 30mg	30 mg	US$180.00	US$6.00/mg	In stock	On their site ↗
GLP-3 (R) 65mg in large 8mL Capacity Vial	65mg Liquid	US$295.00	—	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

149

PeptidesKingdom

US based

Third-party testing stated

58 products tracked

4.1 Trustpilot(11)

–PepFinder Score

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From US$7.33/mg (30 mg vial)

Listing as named	Size	Price	Per mg	Stock
Retatrutide	10 mg	US$95.00	US$9.50/mg	In stock	On their site ↗
Retatrutide	20 mg	US$150.00	US$7.50/mg	In stock	On their site ↗
Retatrutide	30 mg	US$220.00	US$7.33/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.

150

Peptira Peptides USA

US based

58 products tracked

–PepFinder Score

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From US$3.30/mg (30 mg vial)

Listing as named	Size	Price	Per mg	Stock
RETA-3 \| 10MG	10 mg	US$99.00	US$9.90/mg	In stock	On their site ↗
RETA-3 \| 20MG	20 mg	US$99.00	US$4.95/mg	In stock	On their site ↗
RETA-3 \| 30MG	30 mg	US$99.00	US$3.30/mg	In stock	On their site ↗

Prices as last checked on their site. Packs are compared per mg of the whole pack. The supplier confirms the final price and availability.