Best Prostamax Vendors
5 vendors we track carry Prostamax. The 3 that pass our testing gate are ranked below by PSR score, with the certificate each one posts for Prostamax, a price matched at 20mg and any reader code. For laboratory research use only.
- Carry it
- 5
Carry it
- Pass testing gate
- 3
Pass testing gate
- Lab-confirmed COAs
- 2
Lab-confirmed COAs
Want every carrier ordered by its Prostamax certificate instead, with sizes and stock? See the full Prostamax comparison. How a score is built: How we rate. How to check a certificate yourself: how to read a peptide COA.
Top 3 Prostamax vendors by PSR score
The highest PSR scores among open stores that carry Prostamax and pass our testing gate. Affiliate status plays no part in this list.
Affiliate links: we may earn a commission if you buy. It never changes a score or rank.
#1 by PSR score
Modern Aminos7.88Strong- Certificate
- Verified (opens in new tab)
- Lab
- Freedom Diagnostics TestingTier A
- Purity
- 99.11%
- Tested
- Price
- $2.70/mg ($54.00 for 20mg)
#2 by PSR score
BioLongevity Labs7.24Strong- Certificate
- Verified (opens in new tab)
- Lab
- AV AnalyticsTier A-
- Purity
- 99.78%
- Tested
- (first seen)
- Price
- $4.00/mg ($79.97 for 20mg)
#3 by PSR score
NextGen Peps5.95Fair- Certificate
- No public COANo third-party COA was publicly available at audit time
- Price
- $2.30/mg ($46.00 for 20mg)
Best Prostamax vendors with a reader discount
Affiliate partners that pass the testing gate and give readers a code that applies to Prostamax, in PSR score order. This block is a convenience only: the ranking below is the same with or without it.
Affiliate links: we may earn a commission if you buy. It never changes a score or rank.
- BioLongevity Labs7.24Strong
- NextGen Peps5.95FairNoneNo third-party COA was publicly available at audit time
Every Prostamax vendor that passes the gate, by PSR score
3 vendors, highest PSR score first; equal scores are listed alphabetically. Price per mg is matched at 20mg, the size most carriers sell, so vials compare like for like. The certificate column is the vendor’s certificate for Prostamax only. Affiliate status never affects the order (how we keep it separate).
Affiliate links: we may earn a commission if you buy. It never changes a score or rank.
| # | Vendor | PSR score | Prostamax certificate | $/mg at 20mg | Reader code | Links |
|---|---|---|---|---|---|---|
| 1 | Modern Aminos | 7.88Strong | Verified (opens in new tab) | $2.70/mg | Shop → | |
| 2 | BioLongevity Labs | 7.24Strong | Verified (opens in new tab) | $4.00/mg | Shop → | |
| 3 | NextGen Peps | 5.95Fair | NoneNo third-party COA was publicly available at audit time | $2.30/mg | Shop → |
Listed separately: 2 vendors outside the ranking
These carry Prostamax but do not meet our testing gate, so they are never placed in the ranking above, whatever their score. The gate records what we could verify; it is not a finding of a quality or safety problem.
Show 2 vendors that fail the testing gate
| # | Vendor | PSR score | Prostamax certificate |
|---|---|---|---|
| 1 | Swiss Chems | 5.39Weak | NoneNo third-party COA was publicly available at audit time |
| 2 | Redline Bio Labs | 4.80Weak | NoneNo third-party COA was publicly available at audit time |
Best Prostamax vendors: frequently asked questions
Who is the best Prostamax vendor?
By PSR score, Modern Aminos is the highest-rated open store carrying Prostamax that passes our testing gate (7.88/10, Strong). BioLongevity Labs (7.24) and NextGen Peps (5.95) follow. The certificate each of them posts for Prostamax is shown beside the score, so a reader can check it before buying.
Where can I buy Prostamax with a discount code?
2 affiliate partners carrying Prostamax pass our testing gate and give readers a code that applies to it. The highest rated is BioLongevity Labs (code PSR, 15% off). We may earn a commission on those links; it never changes a score or a rank.
How are these Prostamax vendors ranked?
By PSR score, the published vendor score out of 10, built from lab testing, certificate verification, pricing, shipping, operating history and reviews under the rules on How We Rate. Equal scores are listed alphabetically. Price per mg and the certificate for Prostamax are shown but do not change the order, and affiliate status never does.
Why are some Prostamax vendors listed separately?
2 vendors carrying Prostamax do not meet our testing gate: third-party testing could not be established or independently verified. They are listed below the ranking rather than in it. The gate records what we could verify; it is not a finding of a quality or safety problem.
How do I check a Prostamax certificate of analysis?
Open the certificate from the vendor's row, confirm it names Prostamax and a batch, then look up the verification key on the testing laboratory's own site. 2 of the 5 Prostamax certificates we track were confirmed at the lab. Our guide on how to read a peptide COA walks through each field. For laboratory research use only.