Retatrutide
A triple-agonist (GIP/GLP-1/glucagon) — the newest and most-discussed weight-research compound.
Get told when a price moves or a lab test changes.
Observed median price
$170
Every observation
| Date | Observed |
|---|---|
| $179.00 | |
| $190.13 | |
| $124.99 | |
| $64.99 | |
| $64.99 | |
| $149.99 | |
| $149.99 | |
| $149.99 | |
| $149.99 | |
| $300.00 | |
| $159.99 | |
| $300.00 | |
| $300.00 | |
| $149.99 | |
| $149.99 |
Not enough listings with 30 days of checks to summarise a change — 0 of 15 qualify so far.
15
Active listings
95 · 99.7%
Independent lab tests
$65–$469
Observed price range
4
Known aliases
Read from the certificate, not re-measured by VialGrade. Purity is not a grade. Purity vs grade
Understand this compound
What is Retatrutide?
In clinical trialsThe next-generation weight-loss candidate: it works on three metabolic hormone systems at once — one more than tirzepatide — with striking trial results but no approval yet.
Good to know: Trial results are promising but it is not an approved drug, so any obtained material is unregulated and unverified; GI tolerability issues are common in trials.
How does Retatrutide work?
The science
A triple agonist at GLP-1, GIP, and glucagon receptors; combines incretin-driven appetite suppression with glucagon-receptor-mediated increases in energy expenditure and fat oxidation.
Mechanism of action from published research — how the molecule behaves, not a claim about any product or any human-use effect.
What is Retatrutide researched for?
Studied for obesity and weight loss, type-2 diabetes, and weight-related knee osteoarthritis.
- Weight & metabolicStudied in weight, appetite, blood-sugar, and fat-metabolism research.
How far has the research gone?
In clinical trials; Phase 3 (TRIUMPH program) reporting strong weight-loss results, but not yet FDA-approved as of 2026.
Where the science stands — an approved drug is not the same as the research-grade material a vendor sells, which is unregulated regardless.
What should I check before buying?
- Independent purity. Look for a third-party COA (Janoshik or MZ) showing a measured purity — not just a number the vendor typed.
- Batch match. The strongest evidence is a certificate for the exact batch you’ll receive, attributed to this vendor — check the cross-verification on the listing.
- Vendor reputation. See how the vendor is talked about in the community before trusting a new name.
Research context only — VialGrade never gives dosing, medical, or human-use guidance.
Current market
The Retatrutide market
Every Retatrutide listing we track — 15 in all. The standout picks first where the evidence supports them, then the full table, ranked by what a milligram really costs wherever the vendor published a strength we can read.
Open full marketRetatrutide 60mg
Bluum PeptidesB+
$469$7.82/mg-26% vs median
Lowest price per mg that isn't flagged as suspiciously cheap.
In stockChecked 1 month ago
GLP-3R (LY-3437943) PEPTIDE VIAL 20 Milligrams
Umbrella LabsC-
$200$10.00/mg-6% vs median
The most recently re-verified listing on this market.
In stockChecked 3 days ago
Retatrutide 30mg
Bluum PeptidesB+
$279$9.30/mg-12% vs median
Ranked #2 of 12 listings by price per milligram.
In stockChecked 1 month ago
Retatrutide 20mg
Bluum PeptidesB+
$199$9.95/mg-6% vs median
Ranked #3 of 12 listings by price per milligram.
In stockChecked 1 month ago
Retatrutide 15mg
Bluum PeptidesB+
$159$10.6/mg
Ranked #5 of 12 listings by price per milligram.
In stockChecked 1 month ago
Compare by real cost
Every Retatrutide listing, cheapest per mg first
Sticker prices hide the size, so listings are ranked by what a milligram actually costs — with independently tested purity where it exists. All 15 are here: the last 3 are listings whose vendor never published a strength we can read, so they have no per-mg figure to sort on.
| # | Vendor | Size | Price | Per mg | Tested purity | Real $/active mg | |
|---|---|---|---|---|---|---|---|
| 1 | Bluum Peptides | 60mg total | $469 | $7.82/mg | — | $7.84/mgbest value | View |
| 2 | Bluum Peptides | 30mg total | $279 | $9.30/mg | — | $9.33/mg | View |
| 3 | Bluum Peptides | 20mg total | $199 | $9.95/mg | — | $9.98/mg | View |
| 4 | Umbrella Labs | 20mg total20 Milligrams each | $200 | $10.00/mg | — | $10.0/mg | View |
| 5 | Bluum Peptides | 15mg total | $159 | $10.6/mg | — | $10.6/mg | View |
| 6 | Umbrella Labs | 15mg total15 Milligrams each | $170 | $11.3/mg | — | $11.4/mg | View |
| 7 | Bluum Peptides | 10mg total | $125 | $12.5/mg | — | $12.5/mg | View |
| 8 | Umbrella Labs | 10mg total10 Milligrams each | $150 | $15.0/mg | — | $15.0/mg | View |
| 9 | PurerawzUnavailable | 8mg total | $152 | $19.0/mg | — | $19.1/mg | View |
| 10 | PurerawzUnavailable | 10mg total | $190 | $19.0/mg | — | $19.1/mg | View |
| 11 | PurerawzUnavailable | 12mg total | $228 | $19.0/mg | — | $19.1/mg | View |
| 12 | Umbrella Labs | 5mg total5 Milligrams each | $100 | $20.0/mg | — | $20.1/mg | View |
| Listed, but not rankable — no published strength to price per mg | |||||||
| — | Umbrella Labs | 1 vial | $65 | no size published | — | — | View |
| — | Purerawz | 1 vial | $300 | no size published | — | — | View |
| — | PurerawzUnavailable | Nasal Spray · 100mcg per spray/10ml/10mg | $382 | no size published | — | — | View |
Open the full Retatrutide market
Real $/active mg divides the price-per-mg by the measured purity — the honest cost of the actual peptide, so a 90%-pure vial isn’t compared as if it were 99%. Too cheap? flags a listing far below the market rate — often underdosing or a fake, not a deal. The crown marks the cheapest non-outlier; best value marks the lowest real cost per active mg. A vendor shown as Unavailable or Low stock is priced here but not currently buyable.
Independent testing
Retatrutide — independent lab tests
Real, publicly verifiable third-party tests. Purity is read from the certificate itself. A test reflects one lab’s result for one submitted batch — not a guarantee that every vial matches.
How does this data get here?
Every record below is a real certificate of analysis, gathered two ways: from the public verification feeds that independent labs (like Janoshik) publish, and from the certificates vendors post on their own product pages. We open each certificate document and read the measured purity, content, batch, and date directly off it — a scraper can’t read a number printed inside an image, so this is done by machine vision, then recorded here with a link back to the original.
Nothing here is typed in by a vendor or invented by us. Where a certificate is missing, we say so rather than filling the gap.
We re-check the lab feed, too. A “still listed” tag means the certificate is currently public in Janoshik’s database — we re-verify against the live feed and stamp the date. If a cert is later pulled, the tag flips. It’s a freshness check on the same source, not a second independent opinion.
What a certificate does & doesn’t prove
Three different questions. Purity (“how clean?”), identity (“is it the right molecule?”, a mass-spec test), and content (“did I get the labeled mg?”) are separate. A vial can be 99% pure and still be the wrong peptide, or the right peptide underdosed. We flag the measured dose against the label above; underdosing is the most common real fraud.
Who submitted the sample matters. Most of these are vendor-submitted — the seller chose which vial to send, so one good certificate doesn’t prove every batch is the same. The gold standard is a blind test, where a buyer sends a vial they bought as a normal customer. Same label doesn’t prove same product; same batch number doesn’t prove same batch.
20
blind tests
99.9%
highest tested purity
| Certificate | Manufacturer | Batch | Purity | Content / dose | Lab | |
|---|---|---|---|---|---|---|
| https://www.mjtpeptides.com/ Blind | — | 99.94% | 33.89/30mg · full | Janoshik Analytical Still listed | Verify | |
| www.qhpeptides.com Blind | 6 | 99.88% | 60.92/60mg · full | Janoshik Analytical Still listed | Verify | |
| Aura Blind | — | 99.86% | 45.34/40mg · full | Janoshik Analytical Still listed | Verify | |
| OUROPEPTIDES.com Blind | RT30 | 99.86% | 34.13/30mg · full | Janoshik Analytical Still listed | Verify | |
| https://crystalpeptides.eu/ Blind | RT3026CP | 99.85% | 31.81 mg | Janoshik Analytical Still listed | Verify | |
| https://www.htraresearch.cn Blind | — | 99.80% | 42.72/40mg · full | Janoshik Analytical Still listed | Verify | |
| www.HSpeptides.com Blind | — | 99.80% | 32.89/30mg · full | Janoshik Analytical Still listed | Verify | |
| ktswpeptide.com Blind | 89 96 | 99.77% | 9.74 mg | Janoshik Analytical | Verify | |
| ktswpeptide.com Blind | 89 96 | 99.77% | 9.74 mg | Janoshik Analytical Still listed | Verify | |
| WhatsApp:+852 6408 7515 WhatsApp:+852 6558 9024 Blind | 16888 | 99.77% | 9.74 mg | Janoshik Analytical Still listed | Verify | |
| www.huahepeptide.com Blind | 58H39F8 | 99.77% | 9.74 mg | Janoshik Analytical Still listed | Verify | |
| https://crystalpeptides.eu/ Blind | RT6423CP | 99.74% | 22.43 mg | Janoshik Analytical Still listed | Verify | |
| Whatsapp:①+44 7384547562 ②+852 6255 5147 Blind | June 12, 2026 | 99.69% | 32.31/30mg · full | Janoshik Analytical Still listed | Verify | |
| https://www.rayshine-peptide.com/ Blind | RSP20260317 | 99.66% | 32.42/30mg · full | Janoshik Analytical Still listed | Verify | |
| hangzhoupeps.com Blind | 2026 | 99.65% | 16.64/15mg · full | Janoshik Analytical Still listed | Verify | |
| https://www.sigmatech-peptide.com/ Blind | SG260407 | 99.63% | 10.96/10mg · full | Janoshik Analytical Still listed | Verify | |
| https://www.hmmpeptide.com/ Blind | — | 99.59% | 17.68/15mg · full | Janoshik Analytical Still listed | Verify | |
| www.LLYbio.com Blind | 2026 | 99.58% | 22.99/20mg · full | Janoshik Analytical Still listed | Verify | |
| www.optimumsourceresearch.com Blind | R-031026-01 | 99.57% | 22.71/20mg · full | Janoshik Analytical Still listed | Verify | |
| royal-peptides.com Blind | RP-RET30 -JL26 | 99.51% | 32.44/30mg · full | Janoshik Analytical Still listed | Verify | |
Tested batches
Batch test records for Retatrutide
The full test history for one batch — who picked the sample, who tested it, and what came back. It describes the vials that were tested, never every vial they sold.
What the research says
Scientific evidence & regulatory status
What the published literature actually shows about Retatrutide — separate from any vendor’s marketing. Each finding links to its paper. This is education, not medical or dosing advice.
Regulatory status
No FDA-approved drug
Investigational; NOT FDA-approved (a triple GLP-1/GIP/glucagon receptor agonist in Phase 3 development)
Honest overall read
Early human data (a single Phase 2 RCT) show very large weight loss, but retatrutide is experimental, unapproved, and lacks long-term safety and cardiovascular-outcome evidence; any product sold as 'retatrutide' outside a trial is not FDA-sanctioned.
In a 48-week Phase 2 RCT of 338 adults with obesity, retatrutide produced a mean body-weight reduction of about -24.2% at the highest (12 mg) dose versus -2.1% with placebo.
Adverse events were dose-dependent and predominantly GI; dose-dependent heart-rate increases were seen, and as a Phase 2 study it does not establish long-term safety.
read the sourceCommonly researched together
Often stacked with Retatrutide
Compounds the research community frequently discusses alongside Retatrutide. Not a protocol or a recommendation — a starting point for what to read about next.
Investigational drug — not approved, under FDA scrutiny
This is an investigational triple-agonist still in clinical trials. It has no FDA approval for any use, is not a supplement, and the FDA is actively watching the GLP-1-class “research” market. Sold research-use-only; marketing or using it as a drug is not lawful.
General information, not legal or medical advice. VialGrade sells nothing and encourages no human use.
Research notes aren’t product proof
Research summaries describe published literature and market data only. They do not establish the identity, quality, safety, or legal status of any listed physical product.