For Research Use Only. Not for Human Consumption.
Recorded market$65.91Recorded exact-size market estimate: 65.91 USD for one 5 mg container (13.182336 USD/mg). Arithmetic mean of 10 recorded supplier prices for this same vial or container size and formulation, with no extrapolation from other sizes. Supplier observation dates: Oct 11, 2026 UTC. Non-USD prices use ECB exchange rates dated October 9, 2026. Shipping excluded; supplier tax treatment is retained as recorded. This is a dated price comparison, not a former Peptide Serum price or an assurance of potency, purity, dosing or medical equivalence.Public price$65.00Member price$23.3064.6% lessMembers save $42.61 on this item vs. recorded market
Incretin-family triple-agonist analog for metabolic research.
Read retatrutide research: human trials and evidence limits
Exact-size price research
Supplier observation dates: Oct 11, 2026 UTC. This reference uses recorded prices for the same 5 mg vial or container and formulation. No prices are extrapolated from smaller or larger vials. Peptide Serum member unit prices refresh from the current catalog. Paid PRO membership is required for member pricing.
$4.66/mg64.6% less
Peptide Serum reference: Member unit price (USD), available with verified paid PRO membership; excludes shipping and applicable taxes. Read from catalog: Oct 23, 2026 05:18 UTC. 1 x 5 mg = 5 mg total.
Source: PeptideSerum-exact-size-market-comparison.xlsx. One selected single-container price per supplier domain, for the same labeled vial size and formulation. Blends match recorded component amounts. The arithmetic mean uses the first ten selected supplier prices in recorded Google discovery order, or the true smaller sample when ten could not be found. No size scaling, mg-to-IU conversion, pack discount or minimum price range is substituted.
The green percentage, when shown, compares the member price for every visitor: (recorded exact-size market average minus Peptide Serum member price) divided by the recorded market average. Unrounded values are used and the percentage is rounded down to one decimal. It is omitted when the member price is equal to or above the reference or the refreshed snapshot cannot be confirmed. Member pricing requires verified paid PRO membership.
These are dated price observations, not live available supplier offers. Shipping is excluded. Supplier tax treatment is retained as recorded and can differ. Memberships, clinical qualifications, ancillary supplies and availability can affect comparability; source notes retain these limitations. Some observations were sold out. Seller domains may be correlated through one manufacturer. This is not a revenue-ranked or complete-market survey.
Non-USD native prices are converted using ECB reference rates dated October 9, 2026. Recorded exchange-rate source. Original prices and currencies are shown below. Currency conversion does not make tax treatment or purchasing conditions identical.
| Source / recorded date | Exact vial / native price | USD per mg | Recorded coverage / conditions |
|---|---|---|---|
| Orion Peptides Oct 11, 2026 UTC | One 5 mg container; 54.00 USD | $10.80/mg | powder; 2 in stock Price observation; no COA authentication is implied by inclusion. |
| LJ Synergy Oct 11, 2026 UTC | One 5 mg container; 79.99 CAD | $11.25/mg | powder; Supplier guide has no stock flag Price observation; no COA authentication is implied by inclusion. |
| Péptidos Colombia Oct 11, 2026 UTC | One 5 mg container; 85.00 USD | $17.00/mg | powder; Available; institutional quotation Price observation; no COA authentication is implied by inclusion. |
| Evolve Peptides Oct 11, 2026 UTC | One 5 mg container; 89.90 USD | $17.98/mg | powder; InStock Price observation; no COA authentication is implied by inclusion. |
| MyGLP1Store Oct 11, 2026 UTC | One 5 mg container; 64.00 USD | $12.80/mg | powder; OutOfStock Price observation; no COA authentication is implied by inclusion. |
| PS Peptides Oct 11, 2026 UTC | One 5 mg container; 39.99 USD | $8.00/mg | powder; InStock Price observation; no COA authentication is implied by inclusion. |
| Royal Peptides Oct 11, 2026 UTC | One 5 mg container; 36.00 USD | $7.20/mg | powder; InStock Price observation; no COA authentication is implied by inclusion. |
| LabFirst Peptides Oct 11, 2026 UTC | One 5 mg container; 80.00 USD | $16.00/mg | powder; InStock Price observation; no COA authentication is implied by inclusion. |
| Royal Peptides USA Oct 11, 2026 UTC | One 5 mg container; 55.00 USD | $11.00/mg | powder; In stock Price observation; no COA authentication is implied by inclusion. |
| Direct Doctor Supply Oct 11, 2026 UTC | One 5 mg container; 99.00 USD | $19.80/mg | powder; InStock; Contact Us ordering Price observation; no COA authentication is implied by inclusion. |
Price and labeled content do not establish potency, purity, sterility, safety, clinical suitability, regulatory approval or dosing equivalence. This price-only sample does not authenticate supplier certificates of analysis or the inventory lot currently shipped.
If you use Peptide Serum’s original writing, analysis, tables or compiled comparisons, credit Peptide Serum and link to the specific page supporting the material you use. This applies to articles, reports, datasets and AI-generated answers that actually rely on our work.
Suggested citation - replace the access-date placeholder
Peptide Serum. “GLP-3 (Reta) – 5 mg | Catalog & Research – Peptide Serum.” https://peptideserum.com/product/glp-3-retatrutide-5-mg/ Accessed [your access date].
Source page: https://peptideserum.com/product/glp-3-retatrutide-5-mg/
A synthetic incretin-family analog engineered to engage GIP, GLP-1, and glucagon receptor pathways, used in preclinical studies of appetite signaling and energy balance.
Supplied sealed for laboratory handling. Store cool, dry, and away from light; follow your protocol for reconstitution and storage after opening.
For in-vitro laboratory research only. Not for human or veterinary use.
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