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HomePeptidesSemaglutideBest Vendors

Best Semaglutide Vendors in 2026

Weight Loss (GLP-1)

Ranked by Finnrick trust score, purity testing, and price.

Polaris Peptides is our #1 pick for Semaglutide, with a Finnrick trust score of 7.3/10. Across 36 tracked vendors, prices range from $20.00 to $1260.00. Rankings combine independent purity testing data, vendor trust scores, pricing, and stock availability. We never accept payment for placement.

Cheapest per mg
$1.50/mgat Step One
Highest trust score
Aavant Research(8.7/10)
In stock now
77 products across 36 vendors
Last verified
Aug 21, 2026
#1
Polaris Peptides

Polaris Peptides

Top Pick
7.3/10
$165.00(20mg)— $8.25/mg
In Stock
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#2
Bulk Peptides

Bulk Peptides

7.5/10
$180.00(10mg)— $18.00/mg
In Stock
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#3
Paramount Peptides

Paramount Peptides

6.7/10
$510.00(50mg)— $10.20/mg
In Stock
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#4
Aavant Research

Aavant Research

8.7/10
$50.00(35mg)— $1.43/mg
Out of Stock
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#5
Simple Peptide

Simple Peptide

7.0/10
$178.00(10mg)— $17.80/mg
Out of Stock
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#6
Peptidology

Peptidology

7.6/10
$39.99(30mg)— $1.33/mg
Out of StockLast checked 8d ago
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#7
Step One

Step One

$45.00(30mg)— $1.50/mg
In Stock
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#8
Genetic Peptide

Genetic Peptide

$100.00(60mg)— $1.67/mg
Out of Stock
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#9
Modern Research

Modern Research

$54.99(30mg)— $1.83/mg
In Stock
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#10
Umbrella Labs

Umbrella Labs

$65.99(30mg)— $2.20/mg
Out of Stock
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#11
Behemoth Labz

Behemoth Labz

$150.04(60mg)— $2.50/mg
Out of StockLast checked 23d ago
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#12
Eterna Aminos

Eterna Aminos

$54.95(20mg)— $2.75/mg
In StockLast checked 72d ago
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#13
Peptides Collective

Peptides Collective

$60.00(20mg)— $3.00/mg
In Stock
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#14
Pepvida Labs

Pepvida Labs

$30.30(10mg)— $3.03/mg
In Stock
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#15
True Peptide

True Peptide

$120.00(30mg)— $4.00/mg
In Stock
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#16
NorthWest Peptides

NorthWest Peptides

$69.99(15mg)— $4.67/mg
In Stock
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#17
Amino Club

Amino Club

$49.99(10mg)— $5.00/mg
In Stock
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#18
Skye Peptides

Skye Peptides

$339.00(60mg)— $5.65/mg
In Stock
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#19
Welli Labs

Welli Labs

$56.99(10mg)— $5.70/mg
In StockLast checked 15d ago
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#20
Research Chem

Research Chem

$174.99(30mg)— $5.83/mg
In StockLast checked 8d ago
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#21
Peptira

Peptira

$119.00(20mg)— $5.95/mg
In Stock
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#22
Platinum Lion

Platinum Lion

$119.99(20mg)— $6.00/mg
In Stock
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#23
Mile High Compounds

Mile High Compounds

$69.99(10mg)— $7.00/mg
In Stock
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#24
Onyx Research

Onyx Research

$72.00(10mg)— $7.20/mg
In Stock
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#25
Royal Peptides

Royal Peptides

$75.00(10mg)— $7.50/mg
In Stock
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#26
Ion Peptide

Ion Peptide

$39.00(5mg)— $7.80/mg
In StockLast checked 15d ago
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#27
Good Science

Good Science

$165.00(20mg)— $8.25/mg
In Stock
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#28
Ignite Peptides

Ignite Peptides

$170.00(20mg)— $8.50/mg
In StockLast checked 9d ago
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#29
Longevity Peptides

Longevity Peptides

$90.00(10mg)— $9.00/mg
In Stock
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#30
Wellness Peptides

Wellness Peptides

$90.00(10mg)— $9.00/mg
In Stock
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#31
Hydro Research

Hydro Research

$100.00(10mg)— $10.00/mg
In Stock
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#32
Soma Chems

Soma Chems

$274.99(20mg)— $13.75/mg
In Stock
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#33
Alpha Omega

Alpha Omega

$178.00(10mg)— $17.80/mg
Out of Stock
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#34
Loti Labs

Loti Labs

$99.99(5mg)— $20.00/mg
In Stock
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#35
Sports Technology Labs

Sports Technology Labs

$174.99(5mg)— $35.00/mg
In Stock
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#36
Solution Peptides

Solution Peptides

$1260.00(1mg)— $1260.00/mg
In Stock
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How we rank vendors

Our composite score weighs Finnrick blind-testing trust scores (62%), price competitiveness (25%), and stock availability (13%). Vendors without Finnrick data are sorted by price below scored vendors. We never accept payment for rankings. Learn more.

Compare all Semaglutide vendors by price →

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Last updated: August 21, 2026