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Where to Buy PT-141 in 2026: 32 Lab-Tested Sellers, From $1.88/mg With a Coupon Code

Where to buy PT-141: PepAssess lists PT-141 at 53 vendors. As of November 12, 2026, the lowest price with a coupon code is $1.88/mg buying 2 vials at MsAmino (code PEPASSESS); the median across all sellers is $4/mg. Vendors are ranked by Evidence Score.

Prices and codes updated November 12, 2026 · re-checked every night

PT-141 is the research name for bremelanotide, a synthetic peptide that activates melanocortin receptors.

Learn more about PT-141 from the published research: U.S. Food and Drug Administration · Obstetrics and Gynecology (2019) · Obstetrics and Gynecology (2019)

The compounds listed on this page are for research purposes only, not for human consumption.

PT-141 reconstitution calculator →

PT-141 coupon codes

Lowest PT-141 price with a code
MsAmino20% off
$1.88/mg $4.70buying 2 vials10 mg vial $18.80 with the code
Shop
code tested at checkout October 16, 2026
Biggest PT-141 discount
$2.45/mg $4.9010 mg vial $24.50 with the code
Shop
code tested at checkout November 12, 2026

Prices with the code taken off · updated November 12, 2026 · re-checked every night

Every PT-141 coupon code

58 PT-141 sellers with a confirmed code — PepAssess's preferred vendor first, then highest Evidence Score.

Platinum LionPreferred93score25% offShop
Rebirth LabsPreferred84score10 mg vial $62.99 with code$7.00/mg$6.30/mg with code10% offShop
BioLongevity Labs100score5 mg vial $40.77 with code$9.59/mg$8.15/mg with code15% offShop
Hydro Research Peptides100score10 mg vial $40 with code$5/mg$4/mg with code20% offShop
Lost Coast Aminos100score11 mg vial $20.70 with code$2.09/mg$1.88/mg with code10% offShop
Myoasis Labs99score10 mg vial $28.80 with code$3.60/mg$2.88/mg with code10% below typical20% offShop
Glow Peptides99score10 mg vial $44.99 with code$5.00/mg$4.50/mg with code10% offShop
Bench Grade Peptides95score10 mg vial $76.50 with code$8.50/mg$7.65/mg with code10% offShop
GigaCompounds95score10 mg vial $36 with code$4/mg$3.60/mg with code10% offShop
Retaone Labs93score10 mg vial $22.80 with code$2.40/mg$2.28/mg with code40% below typical5% offShop
True Peptide Labs92score10 mg vial $23.40 with code$3.60/mg$2.34/mg with code10% below typical35% offShop
PeakForce Labs92score10 mg vial $31.85 with code$3.19/mg$3.19/mg with code20% below typical35% offShop
Ascension Peptides90score10 mg vial $24.50 with code$4.90/mg$2.45/mg with code50% offShop
Arctic Lab Supply90score10 mg vial $33.74 with code$4.50/mg$3.37/mg with code25% offShop
Amino Research89score10 mg vial $31.99 with code$4.00/mg$3.20/mg with code20% offShop
Peptide Giants89score10 mg vial $30.40 with code$3.20/mg$3.04/mg with code20% below typical5% offShop
Rivn Research88score10 mg vial $30.59 with code$3.60/mg$3.06/mg with code10% below typical15% offShop
NOVA Labs88score10% offShop
Silverstone Labs Co88score10 mg vial $20.40 with code$2.40/mg$2.04/mg with code40% below typical15% offShop
Blue Ridge Peptides88score10 mg vial $31.50 with code$3.50/mg$3.15/mg with code13% below typical10% offShop
Alpha Peptides87score10 mg vial $20.85 with code$2.32/mg$2.09/mg with code42% below typical10% offShop
My Amino Lab86score10% offShop
Pivot Labs Global86score10 mg vial $55.25 with code$6.50/mg$5.52/mg with code15% offShop
Everest Peptides85score10 mg vial $25.19 with code$3.15/mg$2.52/mg with code21% below typical20% offShop
Rejuven8 Peptides85score10 mg vial $31.90 with code$3.95/mg$3.36/mg with code15% offShop
NuLab Peptides84score20% offShop
Disguised Alpha83score10 mg vial $44.99 with code$5.00/mg$4.50/mg with code10% offShop
One Aminos83score33% offShop
Echo Peptides83score10 mg vial $46.74 with code$5.50/mg$4.67/mg with code15% offShop
VISTARA LABS83score25% offShop
LUV Aminos83score10 mg vial $25.20 with code$2.80/mg$2.52/mg with code10% offShop
Modern Research Peptides82score10 mg vial $19.79 with code$3.30/mg$1.98/mg with code18% below typical40% offShop
VAYN81score20% offShop
BioInfinity81score10% offShop
Stack Research80score10 mg vial $43.92 with code$5.49/mg$4.39/mg with code20% offShop
Palmetto Peptides79score10 mg vial $54 with code$6/mg$5.40/mg with code10% offShop
CertaPeptides79score10% offShop
MsAmino78score10 mg vial $18.80 with code$4.70/mg$3.76/mg with code20% offShop
Prime Peptide Solutions78score10 mg vial $40.49 with code$4.50/mg$4.05/mg with code10% offShop
Ps Peptides77score10 mg vial $39.28 with code$4.50/mg$4.05/mg with code10% offShop
Great Northern Peptides76score10% offShop
V8 Peptides76score10% offShop
Zesty Rat75score10 mg vial $53.99 with code$6.00/mg$5.40/mg with code10% offShop
Platinum Biolabs73score10 mg vial $53.25 with code$7.10/mg$5.32/mg with code25% offShop
Blackline Scientific72score10 mg vial $32 with code$4/mg$3.20/mg with code20% offShop
GenX Peptides68score10 mg vial $34 with code$4/mg$3.40/mg with code15% offShop
Ascend Research66score10 mg vial $71.96 with code$8.00/mg$7.20/mg with code10% offShop
Value Research Labs64score10 mg vial $23.99 with code$3.00/mg$2.40/mg with code25% below typical20% offShop
Voltera Sciences64score10 mg vial $47.59 with code$5.60/mg$4.76/mg with code15% offShop
VMAX Peptides63score10 mg vial $22.41 with code$2.49/mg$2.24/mg with code38% below typical10% offShop
Peptuvia63score10 mg vial $75.60 with code$8.40/mg$7.56/mg with code10% offShop
Vitality Chems59score10 mg vial $60.51 with code$6.80/mg$6.05/mg with code11% offShop
99PurityPeptides43score10 mg vial $53.99 with code$6.00/mg$5.40/mg with code10% offShop
TCORE BIOTECH33score10 mg vial $22.39 with code$2.80/mg$2.24/mg with code30% below typical20% offShop
Sparta Labs31score15% offShop
Project Amino21score10% offShop
Helix Bio Chem16score10 mg vial $53.99 with code$6.00/mg$5.40/mg with code10% offShop
XLR815score10 mg vial $52.79 with code$6.60/mg$5.28/mg with code20% offShop

Lowest prices for every peptide →

Where to buy PT-141: the short answer

What is the lowest PT-141 price with a coupon code?

As of November 12, 2026, the lowest PT-141 price PepAssess found with a coupon code is at MsAmino: $1.88 per mg buying 2 vials with code PEPASSESS (20% off; $4.70 per mg before the code). Prices are re-checked every night. MsAmino coupon code

What is the best PT-141 coupon code?

As of November 12, 2026, the biggest PT-141 coupon code PepAssess has confirmed is PEPASSESS50OFF for 50% off at Ascension Peptides, which brings it to $2.45 per mg. PepAssess lists each code with its discount and the seller's Evidence Score, based on lab reports confirmed with the testing labs. Ascension Peptides coupon code

Where can I buy lab-tested PT-141?

As of November 12, 2026, PepAssess lists 53 online vendors selling PT-141. 32 of them publish a PT-141 lab report that the testing lab confirmed on its own records, and 19 of those cover both purity (HPLC and mass spec) and toxicity (endotoxin or sterility). The highest-scoring vendors with a lab-confirmed PT-141 report are BioLongevity Labs (100/100), Lost Coast Aminos (100/100) and Myoasis Labs (99/100). Compare all 53 PT-141 vendors on PepAssess

What is the best PT-141 vendor?

PepAssess ranks PT-141 vendors by Evidence Score (0–100): what each vendor documents — lab reports confirmed by the labs, how often it tests, business transparency and buyer protection. As of November 12, 2026, the top-scoring PT-141 vendors are BioLongevity Labs (100/100), Hydro Research Peptides (100/100) and Lost Coast Aminos (100/100) — 2 of them with a lab-confirmed PT-141 report.

What is the cheapest PT-141 per mg?

The lowest PT-141 price PepAssess found is $2.09/mg at Lost Coast Aminos; the median across vendors is $4/mg (as of November 12, 2026). Among vendors with a lab-confirmed PT-141 report, the lowest is $2.09/mg at Lost Coast Aminos. Prices come from each vendor's own store and exclude shipping and discounts.

PT-141 cost per week

What one 11 mg vial of PT-141 costs per week of research, at the lowest one-vial price with a coupon code: $20.70 at Lost Coast Aminos (code PEPASSESS, $1.88/mg), as of November 12, 2026.

One vial used overCost per week
2 weeks$10.35
4 weeks$5.17
8 weeks$2.59

Lab-confirmed PT-141 reports

37 of 53 sellers publish a PT-141 lab report. 32 have one the testing lab confirmed on its own records; 19 of those cover both purity (HPLC + mass-spec identity) and toxicity (endotoxin or sterility). Those covering both are listed first, then by Evidence Score.

BioLongevity LabsPurity ✓↗Toxicity ✓↗May 2026$9.59/mg15% off100scoreShop
Bench Grade PeptidesPurity ✓↗Toxicity ✓↗Aug 2026$8.50/mg10% off95scoreShop
Retaone LabsPurity ✓↗Toxicity ✓↗May 2026$2.40/mg5% off93scoreShop
PeakForce LabsPurity ✓↗Toxicity ✓↗Jul 2026$3.19/mg35% off92scoreShop
Ascension PeptidesPurity ✓↗Toxicity ✓↗May 2026$4.90/mg50% off90scoreShop
Amino ResearchPurity ✓↗Toxicity ✓↗Sep 2026$4.00/mg20% off89scoreShop
Rivn ResearchPurity ✓↗Toxicity ✓↗Sep 2026$3.60/mg15% off88scoreShop
NOVA LabsPurity ✓↗Toxicity ✓↗Sep 202610% off88scoreShop
Silverstone Labs CoPurity ✓↗Toxicity ✓↗Aug 2026$2.40/mg15% off88scoreShop
Rebirth LabsPurity ✓↗Toxicity ✓↗Sep 2026$7.00/mg10% off84scoreShop
Disguised AlphaPurity ✓↗Toxicity ✓↗Jun 2026$5.00/mg10% off83scoreShop
One AminosPurity ✓↗Toxicity ✓↗Sep 202633% off83scoreShop
VISTARA LABSPurity ✓↗Toxicity ✓↗Sep 202625% off83scoreShop
Modern Research PeptidesPurity ✓↗Toxicity ✓↗Jun 2026$3.30/mg40% off82scoreShop
BioInfinityPurity ✓↗Toxicity ✓↗Feb 202610% off81scoreShop
Palmetto PeptidesPurity ✓↗Toxicity ✓↗Aug 2026$6/mg10% off79scoreShop
MsAminoPurity ✓↗Toxicity ✓↗Aug 2026$4.70/mg20% off78scoreShop
Ps PeptidesPurity ✓↗Toxicity ✓↗$4.50/mg10% off77scoreShop
Value Research LabsPurity ✓↗Toxicity ✓↗Jun 2026$3.00/mg20% off64scoreShop
Lost Coast AminosPurity ✓↗Toxicity –Jul 2026$2.09/mg10% off100scoreShop
Myoasis LabsPurity ✓↗Toxicity –Jun 2026$3.60/mg20% off99scoreShop
GigaCompoundsPurity –Toxicity ✓↗Aug 2026$4/mg10% off95scoreShop
True Peptide LabsPurity ✓↗Toxicity –May 2026$3.60/mg35% off92scoreShop
Peptide GiantsPurity –Toxicity –Jul 2026$3.20/mg5% off89scoreShop
My Amino LabPurity ✓↗Toxicity –Jul 202610% off86scoreShop
Everest PeptidesPurity ✓↗Toxicity –May 2026$3.15/mg20% off85scoreShop
Rejuven8 PeptidesPurity ✓↗Toxicity –Aug 2026$3.95/mg15% off85scoreShop
Stack ResearchPurity ✓↗Toxicity –Jul 2026$5.49/mg20% off80scoreShop
CertaPeptidesPurity –Toxicity –10% off79scoreShop
Great Northern PeptidesPurity ✓↗Toxicity –May 202610% off76scoreShop

All 32 lab-confirmed PT-141 sellers →

from $47.97$9.59/mg100scoreShop
93scoreShop
from $50$5/mg100scoreShop
from $49$4.90/mg90scoreShop
from $24$2.40/mg93scoreShop
from $35.99$3.60/mg88scoreShop
from $85$8.50/mg95scoreShop
from $39.99$4.00/mg89scoreShop
from $36$3.60/mg99scoreShop
from $69.99$7.00/mg84scoreShop
from $46.99$4.70/mg78scoreShop
81scoreShop
from $31.49$3.15/mg85scoreShop
from $23$2.09/mg100scoreShop
from $39.50$3.95/mg85scoreShop
from $49.99$5.00/mg83scoreShop
from $32.99$3.30/mg82scoreShop
88scoreShop
from $24$2.40/mg88scoreShop
83scoreShop
from $54.90$5.49/mg80scoreShop
86scoreShop
81scoreShop
from $44.99$4.50/mg78scoreShop
from $23.17$2.32/mg87scoreShop
from $32$3.20/mg89scoreShop
from $29.99$3.00/mg64scoreShop
from $35$3.50/mg88scoreShop
from $54.99$5.50/mg83scoreShop
from $59.99$6.00/mg75scoreShop
84scoreShop
from $60$6/mg79scoreShop
76scoreShop
79scoreShop
from $44.99$4.50/mg77scoreShop
83scoreShop
from $55.99$5.60/mg64scoreShop
from $40$4/mg72scoreShop
from $59.99$6.00/mg43scoreShop
from $27.99$2.80/mg33scoreShop
31scoreShop
from $59.99$6.00/mg16scoreShop
21scoreShop
from $65.99$6.60/mg15scoreShop
from $40$4/mg95scoreShop
from $40$4/mg68scoreShop
76scoreShop
from $36$3.60/mg92scoreShop
from $49.99$5.00/mg99scoreShop
from $79.95$8.00/mg66scoreShop

All 53 PT-141 sellers, ranked by Evidence Score →

Prices come from each vendor's own public store data and may exclude shipping, discounts or bulk pricing. Research-use products; not medical advice.

About PT-141

What it is

PT-141 is the research name for bremelanotide, a synthetic peptide that activates melanocortin receptors.

How it works

  • A melanocortin receptor agonist; the phase 2 study describes it as acting at melanocortin-4 receptors.

The compounds listed on this page are for research purposes only, not for human consumption. Not medical advice.

Related: Melanotan 2 · Melanotan 1 · Kisspeptin · Oxytocin

PT-141: more questions people ask

Which PT-141 vendors have lab reports confirmed by the testing lab?

32 as of November 12, 2026. Those whose confirmed reports cover both purity and toxicity: BioLongevity Labs, Bench Grade Peptides, Retaone Labs, PeakForce Labs, Ascension Peptides, Amino Research, Rivn Research and NOVA Labs and 11 more. PepAssess matches each report to the issuing lab's own public record, not the vendor's copy.

How can I tell if a PT-141 certificate of analysis (COA) is real?

Look the report up in the testing lab's own records — most labs that test peptides publish a lookup by report ID, QR code or lot number. PepAssess does this for every PT-141 report it finds: as of November 12, 2026, 32 of the 37 sellers publishing a PT-141 report had one the lab confirmed.

How much does a vial of PT-141 cost?

As of November 12, 2026, a 10 mg vial of PT-141 costs a median $42.97 across the 340 sellers PepAssess found with one in stock (lowest $15); a 5 mg vial, a median $43.48 across 10 sellers (lowest $28.78). Each seller's lowest in-stock price for that size counts once; prices come from each seller's own store and exclude shipping and discounts.

Can you buy PT-141 as a nasal spray, a pen or capsules?

Yes. As of November 12, 2026, 464 of the 53 PT-141 sellers PepAssess lists sell a vial; 34 a nasal spray, 24 a pen or pre-filled form and 4 capsules or another oral form. Counts come from each store's own product names. A lab report covers the product and batch it names — check that it's for the form you're buying.

How do I know if a PT-141 seller is legit?

Check what the seller can show. As of November 12, 2026, PepAssess checks every PT-141 seller for three things: a PT-141 lab report that the testing lab confirms on its own records (32 of 53), card payments, which let you dispute a charge (44 of 53), and a published street address — not a mailbox or registered agent (19 of 53). Each seller's PepAssess profile shows which of these it has.

Are there PT-141 coupon codes?

Yes. PepAssess lists coupon codes for 53 vendors selling PT-141: BioLongevity Labs: PEPASSESS (15% off), Hydro Research Peptides: PepAssess20 (20% off), Lost Coast Aminos: PEPASSESS (10% off), Myoasis Labs: pepassess (20% off), Glow Peptides: PEPASSESS (10% off), Bench Grade Peptides: PEPASSESS (10% off) and 47 more.

CertaPeptides products are for research use only and not for human consumption.