Which vendor has the cheapest Prostamax?

Eros Peptides currently offers the lowest price per mg at $2.00/mg. Prices are updated daily from vendor websites.

Which Prostamax vendor is most trusted?

Eros Peptides has the highest Finnrick trust score (6.9/10) among vendors selling Prostamax. Finnrick scores are based on independent blind purity testing.

Is Prostamax third-party tested?

Finnrick blind-testing data drives our rankings. Independent Janoshik test reports are not yet available for these vendors — check individual vendor pages for any purity documentation they publish.

How many vendors sell Prostamax?

We currently track 4 vendors selling Prostamax, with 4 products in stock. Inventory and pricing are updated daily.

Best Prostamax Vendors in 2026

Bioregulator

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

Eros Peptides is our #1 pick for Prostamax, with a Finnrick trust score of 6.9/10. Across 4 tracked vendors, prices range from $39.99 to $69.99. Rankings combine independent purity testing data, vendor trust scores, pricing, and stock availability. We never accept payment for placement.

Cheapest per mg: $2.00/mgat Eros Peptides
Highest trust score: Eros Peptides(6.9/10)
In stock now: 4 products across 4 vendors
Last verified: Aug 8, 2026

Eros Peptides

Top Pick

6.9/10

$39.99(20mg)— $2.00/mg

In Stock

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Peptide Sciences

6.6/10

$65.00(20mg)— $3.25/mg

In Stock

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Soma Chems

$64.99(20mg)— $3.25/mg

In Stock

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Mile High Compounds

$69.99(20mg)— $3.50/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.

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Last updated: August 8, 2026