Paramount Peptides Review
Scored 7.12/10 on the published Peptide Source Review formula: lab credibility, shipping, pricing, operating history, and transparency.
- COAs on file
- 28
COAs on file
- Confirmed at the lab
- 27
Confirmed at the lab
- Products
- 29
Products
- Labs
- 2
Labs
7.12/ 10
Last scored
No testing cap
- Lab credibility and recency55%8.4 (show how this was scored)
- Shipping and refund20%6.5 (show how this was scored)
- Pricing15%5.3 (show how this was scored)
- Operating history5%4.0 (show how this was scored)
- Business transparency5%4.0 (show how this was scored)
Weights are fixed for every vendor. Select a row to see how it was scored.
Is Paramount Peptides legit?
Paramount Peptides scores 7.12 out of 10 (Strong, #32 of 100) as of November 3, 2026 and passes our testing gate: 27 of the 28 products we score carry a certificate, 27 confirmed with the issuing lab (labs we grade B+). Its strongest area is lab testing (8.4/10); its weakest is operating history (4.0/10), with over three years of records.
On lab evidence, the heaviest-weighted factor, Paramount Peptides has independently verified third-party COAs, with COA work on record from Accumark Labs, Janoshik Analytical. Its lowest price per milligram in our data is on GHK-Cu (see the table below).
How this score was calculated
Every point below follows the published tables in our methodology, with the policy wording we scored and a link to where we read it. Evidence last checked October 22, 2026. Lab credibility is worked product by product from the certificates on file.
Lab credibility8.4/10
Each carried product (lab supplies excluded) is scored from the certificate on file for it, on the published lab rubric: 3 for a published certificate, then points for the laboratory, the verification key, the tests on the certificate and its purity, held to 0 to 10. A certificate that is self-issued, names no laboratory, or comes from a laboratory whose independence is not established scores a flat 2.0; a product with no certificate, a certificate the laboratory’s own record fails, or a posted copy that differs materially from the laboratory’s copy scores 0. Calculated on , the day this page was built; the date each certificate was tested is shown on its row.
- BPC-1579.0
Certificate from Accumark Labs, tier B+ · tested 2026-07-07
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Accumark Labs)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- +0.5Endotoxin test
- +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
- 0.0Purity 99.443% (99.0% up to but not including 99.7%)
- TB-5009.0
Certificate from Accumark Labs, tier B+ · tested 2026-05-15
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Accumark Labs)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- +0.5Endotoxin test
- +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
- 0.0Purity 99.39% (99.0% up to but not including 99.7%)
- GHK-Cu9.5
Certificate from Accumark Labs, tier B+ · tested 2026-06-26
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Accumark Labs)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- +0.5Endotoxin test
- +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
- +0.5Purity 99.739% (99.7% or higher)
- CJC-12959.0
Certificate from Accumark Labs, tier B+ · tested 2026-07-22
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Accumark Labs)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- +0.5Endotoxin test
- +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
- 0.0Purity 99.608% (99.0% up to but not including 99.7%)
- Ipamorelin9.0
Certificate from Accumark Labs, tier B+ · tested 2026-08-21
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Accumark Labs)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- +0.5Endotoxin test
- +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
- 0.0Purity 99.67% (99.0% up to but not including 99.7%)
- Semax8.0
Certificate from Janoshik Analytical, tier B+ · tested 2026-04-16
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Janoshik Analytical)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- 0.0Purity 99.41% (99.0% up to but not including 99.7%)
- Selank9.0
Certificate from Accumark Labs, tier B+ · tested 2026-07-06
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Accumark Labs)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- +0.5Endotoxin test
- +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
- 0.0Purity 99.662% (99.0% up to but not including 99.7%)
- Melanotan-29.5
Certificate from Accumark Labs, tier B+ · tested 2026-07-06
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Accumark Labs)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- +0.5Endotoxin test
- +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
- +0.5Purity 99.72% (99.7% or higher)
- Sermorelin8.0
Certificate from Janoshik Analytical, tier B+ · tested 2025-12-02
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Janoshik Analytical)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- 0.0Purity 99.15% (99.0% up to but not including 99.7%)
- Tesamorelin9.0
Certificate from Accumark Labs, tier B+ · tested 2026-06-01
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Accumark Labs)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- +0.5Endotoxin test
- +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
- 0.0Purity 99.21% (99.0% up to but not including 99.7%)
- Retatrutide9.0
Certificate from Accumark Labs, tier B+ · tested 2026-07-07
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Accumark Labs)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- +0.5Endotoxin test
- +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
- 0.0Purity 99.685% (99.0% up to but not including 99.7%)
- Tirzepatide9.5
Certificate from Accumark Labs, tier B+ · tested 2026-08-04
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Accumark Labs)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- +0.5Endotoxin test
- +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
- +0.5Purity 99.77% (99.7% or higher)
- Semaglutide8.5
Certificate from Janoshik Analytical, tier B+ · tested 2026-04-14
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Janoshik Analytical)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- +0.5Purity 99.92% (99.7% or higher)
- KPV9.0
Certificate from Accumark Labs, tier B+ · tested 2026-07-02
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Accumark Labs)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- +0.5Endotoxin test
- +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
- 0.0Purity 99.35% (99.0% up to but not including 99.7%)
- PT-1418.5
Certificate from Janoshik Analytical, tier B+ · tested 2026-02-02
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Janoshik Analytical)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- +0.5Purity 99.87% (99.7% or higher)
- AOD-96048.0
Certificate from Janoshik Analytical, tier B+ · tested 2026-04-17
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Janoshik Analytical)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- 0.0Purity 99.6% (99.0% up to but not including 99.7%)
- 5-Amino-1MQ6.5
Certificate from Janoshik Analytical, tier B+ · tested 2025-12-03
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Janoshik Analytical)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- −1.5Purity 98% (97.0% up to but not including 99.0%)
- IGF-1 LR39.0
Certificate from Accumark Labs, tier B+ · tested 2026-07-06
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Accumark Labs)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- +0.5Endotoxin test
- +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
- 0.0Purity 99.092% (99.0% up to but not including 99.7%)
- Hexarelin8.0
Certificate from Janoshik Analytical, tier B+ · tested 2026-03-18
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Janoshik Analytical)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- 0.0Purity 99.4% (99.0% up to but not including 99.7%)
- Cagrilintide9.5
Certificate from Accumark Labs, tier B+ · tested 2026-06-26
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Accumark Labs)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- +0.5Endotoxin test
- +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
- +0.5Purity 99.755% (99.7% or higher)
- Dihexa8.0
Certificate from Janoshik Analytical, tier B+ · tested 2025-12-03
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Janoshik Analytical)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- 0.0No purity figure on the certificate
- SLU-PP-3328.0
Certificate from Janoshik Analytical, tier B+ · tested 2026-02-06
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Janoshik Analytical)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- 0.0No purity figure on the certificate
Certificate from Accumark Labs, tier B+ · tested 2026-09-22
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Accumark Labs)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- +0.5Endotoxin test
- +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
- 0.0Purity 99.62% (99.0% up to but not including 99.7%)
Certificate from Accumark Labs, tier B+ · tested 2026-08-12
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Accumark Labs)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- +0.5Endotoxin test
- +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
- +0.5Purity 99.85% (99.7% or higher)
- Cardiogen8.5
Certificate from Janoshik Analytical, tier B+ · tested 2025-04-29
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Janoshik Analytical)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- +0.5Purity 99.81% (99.7% or higher)
- −0.077Age: more than 12 months old, so 0.25 × 8.5 ÷ the weighted product count comes off the mean (AGE below)
- Tesofensine0.0
No certificate on file for this product: scores 0, counted at 0.5 weight because it is not one of the core products.
- Cartalax8.0
Certificate from Janoshik Analytical, tier B+ · tested 2026-04-22
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Janoshik Analytical)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- 0.0Purity 99.08% (99.0% up to but not including 99.7%)
- Thymagen8.0
Certificate from Janoshik Analytical, tier B+ · tested 2026-02-24
- 3.0Certificate published (base)
- +2.0Laboratory in our directory at tier B+ (Janoshik Analytical)
- +1.5Verification key printed
- +1.5Key confirmed at the laboratory's own site
- 0.0Purity 99.6% (99.0% up to but not including 99.7%)
Weighted mean of 28 products (1 non-core product without a certificate counted at half weight): 233.5 ÷ 27.5 = 8.491.
- −0.077AGE Certificates older than 12 months: 1 scored certificate(s) older than 12 months: cardiogen 2025-04-29
8.491 − 0.077 = 8.414, rounded to 0.1: 8.4/10.
Testing gate: 27 of 28 products have a certificate from a directory laboratory (not tier D, not self-issued) with the key confirmed at the laboratory. That is at least half, so the vendor counts as third-party tested and no cap applies.
Shipping and refunds6.5/10
- +1
Returns and refunds
All sales of Research Products are final once shipped, except for verified claims expressly covered by this Policy
- +1
Lost or damaged parcels
If ... the carrier confirms that a package has been lost, contact support ... may require the carrier to complete an investigation before offering a resolution.
- +1.5
Dispatch time
Orders are typically processed within 48 hours.
- +1
Tracking on all orders
When tracking is available, the tracking information will be sent to the email address associated with your order.
- +1.5
Payment you can dispute
Store API payment_methods: ["nmi"] (card gateway)
- +1
Shipping rates published
Free standard shipping is available on U.S. orders over [price].
- −0.5
Damage or loss report window under 48 hours
If tracking shows that a package was delivered but it cannot be located ... Notify Paramount Peptides within 24 hours of the carrier-confirmed delivery time.
Total +6.5: 6.5/10.
Pricing5.3/10
We compared Paramount Peptides’s current single-vial prices on 24 products, each matched to the same product and milligrams per vial, with the median price of the other vendors. Its typical price (the median ratio across those products) is 23% above the market median (ratio 1.23), which the published scale maps to 5.3/10. checked
Operating history4.0/10
Counted from October 23, 2023, the earliest dated evidence of this business operating: 3.0 years as of October 22, 2026, which the published table maps to 4.0/10.
Domain paramountpeptides.com registered 2023-10-23 (RDAP) and never shown parked or for sale under this registration: its first capture after registration (2024-04-23) is already the Paramount Peptides Shopify store (theme assets dated late 2023); the 2018 captures belong to an earlier registration. The site names no entity; a Texas franchise-tax record PARAMOUNT PEPTIDES LLC at the site's Irvine address (responsibility from 2025-08-18) is later and not named on the site, so it is not used.
- 2023-10-23 Domain registration: registration; never shown parked or for sale rdap.verisign.com (opens in new tab)
- 2024-04-23 Archived copy: Paramount Peptides store (Order Peptides, categories, free shipping over [price]) web.archive.org (opens in new tab)
- 2024-07-09 Dated public mention: reply addressed to u/paramountpeptides (account exists; not counted) reddit.com (opens in new tab)
- 2024-08-20 Archived copy: store with prices web.archive.org (opens in new tab)
- 2025-08-18 State registry: TX Comptroller: PARAMOUNT PEPTIDES LLC, 200 Spectrum Center Dr Ste 300 Irvine CA, org type CI, responsibility 2025-08-18 (later; site names no entity) data.texas.gov (opens in new tab)
Transparency4.0/10
- 0
Legal entity named
no entity named; terms speak of "Company" without naming it
- +1
Business address
200 Spectrum Center Dr., Irvine, CA 92618 (no suite given)
Address could not be classified; scored 1.
- +1
- 0
- +1
Dated terms with a governing law
Last Updated: July 24, 2026; "governed by and construed in accordance with the laws of the State of California"
- +1.5
Testing lab named, certificates published
Product page "Quality Documents" block: Analyzed May 18, 2026; Batch/Lot TBB10N051026; Laboratory: Accumark Labs; certificate image linked
- −0.5
GLP products sold only under code names
Product "GLP-3 R" (page title "Buy GLP-3 R"), also "GLP-1 S", "GLP-2 T"; the GLP-3 R page never names retatrutide
Total +4: 4.0/10.
Shop Paramount Peptides
- Rated 7.12/10 · Strong
- 27 COAs confirmed at the issuing lab
- Best value: GHK-Cu at $0.75/mg
Audit history and why the rating changed
We re-audit vendors against their live COAs and site. Here is what most recently moved this rating, and why.
See the full score history and chart
- Most recent audit · 7.13to7.12
Market medians updated on 3 November 2026 after the NextGen Peps re-check added priced listings: pricing 5.4 to 5.3.
- Audit · 7.15to7.13
Pricing recomputed on 26 October 2026: listings added for a newly reviewed vendor (Lotus Peptide) moved the market median for the same products: pricing 5.5 to 5.4.
- Audit · 7.16to7.15
Pricing recomputed on 25 October 2026: listings added for a newly reviewed vendor (Pexo Labs) moved the market median for the same products: pricing 5.6 to 5.5.
Earlier audits (11)
- Audit · 7.18to7.16
Pricing recomputed on 24 October 2026 after Bionova Peptides' first-review prices were recorded; other vendors move only through the market medians: pricing 5.7 to 5.6.
- Audit · 7.16to7.18
Pricing recomputed on 24 October 2026: listings added for newly reviewed vendors moved the market median for the same products: pricing 5.6 to 5.7.
- Audit · 7.19to7.16
Pricing recomputed on 23 October 2026 from current listings with the published rule (section E), after listings added or updated since 22 October, including a newly reviewed vendor's, moved the market median for the same products: pricing 5.8 to 5.6.
- Audit · 7.14to7.19
Lab score recalculated on 22 October 2026 under the published core-product rule (A1b): a missing certificate on one of the 15 most widely carried products still counts fully, while on any other product it now counts at half weight, so a broad catalogue is not penalised as much for its breadth. Lab 8.3 to 8.4.
- Audit · 7.11to7.14
Operating history re-checked on 22 October 2026 under the published rule (earliest dated evidence of the business, including a never-parked store domain and the named operating company, looked up for every vendor): operating history 3.4 to 4.0.
- Audit · 6.91to7.11
Re-scored on 22 October 2026 under the published rulebook, which now gives one rule for each judgement call and applies it to every vendor: shipping and refunds 5.5 to 6.5.
- Audit · 7.86to6.91
Re-scored on 22 October 2026 under our published rubric for shipping, pricing, operating history and transparency, applied to every vendor the same day: prices re-read from the vendor's site and matched by milligrams per vial, operating history from the earliest dated evidence of the business, and policies scored item by item. shipping and refunds 7.9 to 5.5, pricing 7.9 to 5.8, operating history 3.3 to 3.4, transparency 7.2 to 4.0.
- Audit · 7.47to7.86
Janoshik certificates confirmed on 22 October 2026 at the laboratory's own verification site, so each confirmed report now earns the key-confirmed credit under our published lab rule. Lab 7.6 to 8.3.
- Audit · 5.16to7.47
Lab evidence re-checked on 20 October 2026 under our coverage rule, which counts a listed product with no published certificate as zero in the lab average. Certificates cover 27 of the 28 products we list that the vendor offers for sale. Lab 3.4 to 7.6.
- Audit · 6.04to5.16
Lab 5.0 to 3.4. Recomputed under our published rule, which averages the lab score over the products we list and counts a listed product with no certificate as zero. The certificates in our archive have not been confirmed with the issuing laboratory, all are more than 12 months old, several listed products have no certificate, and the BPC-157 certificate reports BPC-157 as not detected. The 8 October 2026 entry described the archived certificates as verified; they are Janoshik-format reports in the vendor's name that we could not check with Janoshik.
- Audit · 3.29to6.04
The lab score of zero was structural, set when certificates sat behind an email and passcode wall. That wall is gone and the lookup now takes a lot number. Certificates verified from our own archive are genuine Janoshik reports naming Paramount as client and manufacturer. Held at 5.0 because the documents are from June 2025, a certificate cannot be seen before purchase, no lab is named publicly, and the panel has no endotoxin, sterility or heavy metals. Separately recorded: their BPC-157 certificate reports BPC-157 not detected and acetylated BPC-157 in its place.
Editor’s notes
Paramount Peptides lists an Irvine, California address with no suite number, in a building that offers a mail service. The BBB gives a start date of October 2023; the earliest dated record of its store selling that we found is from August 2024. Certificates for 28 of the 29 products we list are published on its product pages, and we independently verified 27 of those using the labs' own verification tools. Sixteen are Accumark Labs reports, fifteen of them dated May to September 2026 and confirmed on Accumark's own server with endotoxin and sterility screening; twelve are Janoshik reports, which we confirmed at Janoshik's own verification site on 22 October 2026. The standard BPC-157 product carries an Accumark report confirming its identity at 99.4% purity, while a separately sold acetylated BPC-157 product carries an older Janoshik report that found acetylated BPC-157 rather than BPC-157. Three tablet products report content without a purity figure. Semaglutide, tirzepatide and retatrutide are sold under coded names. The return and refund policy states that sales of research products are final once shipped except for claims expressly covered by that policy, and shipping is US-only.
Paramount Peptides COAs and lab test results
One row per product: the certificate on file and how the lab rule reads it, the laboratory that issued it and its tier, the date it was tested, the purity it reports, and the lowest price per milligram we recorded (per IU or mL where a product is sold that way).
Accumark LabsTier B+tested
- Purity
- 99.443%
- Price per mg
- $4.80$96.05 / 20mgbest of 3 sizes
Accumark LabsTier B+tested
- Purity
- 99.39%
- Price per mg
- $6.25$125.00 / 20mgbest of 3 sizes
Accumark LabsTier B+tested
- Purity
- 99.739%
- Price per mg
- $0.75$75.00 / 100mgbest of 2 sizes
Accumark LabsTier B+tested
- Purity
- 99.608%
- Price per mg
- $6.54$65.45 / 10mg
Accumark LabsTier B+tested
- Purity
- 99.67%
- Price per mg
- $6.80$68.00 / 10mg
Janoshik AnalyticalTier B+tested
- Purity
- 99.41%
- Price per mg
- $2.27$68.00 / 30mg
Accumark LabsTier B+tested
- Purity
- 99.662%
- Price per mg
- $6.80$68.00 / 10mgbest of 2 sizes
Accumark LabsTier B+tested
- Purity
- 99.72%
- Price per mg
- $4.25$42.50 / 10mg
Janoshik AnalyticalTier B+tested
- Purity
- 99.15%
- Price per mg
- $6.80$68.00 / 10mg
Accumark LabsTier B+tested
- Purity
- 99.21%
- Price per mg
- $6.46$64.60 / 10mg
Accumark LabsTier B+tested
- Purity
- 99.685%
- Price per mg
- $8.50$510.00 / 60mgbest of 3 sizes
Accumark LabsTier B+tested
- Purity
- 99.77%
- Price per mg
- $4.96$595.00 / 120mgbest of 8 sizes
Janoshik AnalyticalTier B+tested
- Purity
- 99.92%
- Price per mg
- $10.20$510.00 / 50mgbest of 5 sizes
Janoshik AnalyticalTier B+tested
- Purity
- 99.87%
- Price per mg
- $5.95$59.50 / 10mgbest of 2 sizes
Janoshik AnalyticalTier B+tested
- Purity
- 99.6%
- Price per mg
- $12.04$72.25 / 6mg
Accumark LabsTier B+tested
- Purity
- 99.092%
- Price per mg
- $85.00$85.00 / 1mg
Janoshik AnalyticalTier B+tested
- Purity
- 99.4%
- Price per mg
- $13.60$68.00 / 5mg
Accumark LabsTier B+tested
- Purity
- 99.755%
- Price per mg
- $15.72$157.25 / 10mg
Accumark LabsTier B+tested
- Purity
- 99.62%
- Price per mg
- $3.88$155.00 / 40mgbest of 3 sizes
Accumark LabsTier B+tested
- Purity
- 99.85%
- Price per mg
- $6.80$68.00 / 10mg
Janoshik AnalyticalTier B+tested
- Purity
- 99.81%
- Price per mg
- $4.00$80.00 / 20mg
Accumark LabsTier B+first seen
- Purity
- —
- Price per mL
- $1.50$15.00 / 10 mL
- Purity
- —
- Price per mg
- —
Janoshik AnalyticalTier B+tested
- Purity
- 99.08%
- Price per mg
- $2.21$55.25 / 25mg
Janoshik AnalyticalTier B+tested
- Purity
- 99.6%
- Price per mg
- $5.95$119.00 / 20mg
Learn more about what Paramount Peptides carries
Rated higher than Paramount Peptides, with a reader code
Paramount Peptides is not one of our affiliate partners, so we have no code for it. These partners score above it under the same published rules, pass our testing gate, and give readers a discount.
Affiliate links: we may earn a commission if you buy. It never changes a score or rank.
7.73/10 · Strong · carries 16 of the same products
7.71/10 · Strong · carries 17 of the same products
7.24/10 · Strong · carries 16 of the same products
Paramount Peptides: Frequently Asked Questions
Is Paramount Peptides legit?
Paramount Peptides scores 7.12 out of 10 (Strong, #32 of 100) as of November 3, 2026 and passes our testing gate: 27 of the 28 products we score carry a certificate, 27 confirmed with the issuing lab (labs we grade B+). Its strongest area is lab testing (8.4/10); its weakest is operating history (4.0/10), with over three years of records.
Is there a Paramount Peptides promo code, coupon code, or discount code?
We do not have a verified Paramount Peptides promo code or coupon code right now. When Paramount Peptides runs a sale or issues a discount code, we post it here and on our promos page, so bookmark this page for the latest Paramount Peptides discount.
Does Paramount Peptides use third-party lab testing?
Yes. We have independently verified third-party COA evidence for this vendor. Laboratories on the certificates we hold: Accumark Labs, Janoshik Analytical.
Where can I see Paramount Peptides' COAs?
In the "Paramount Peptides COAs and lab test results" table on this page. We hold 28 certificates for Paramount Peptides, covering 28 of the 29 products we track, issued by 2 laboratories (Accumark Labs, Janoshik Analytical). 27 products' certificates were confirmed at the issuing laboratory itself. Each row links the certificate, its lab, its test date and the purity it reports.
What peptides does Paramount Peptides carry?
Paramount Peptides carries BPC-157, TB-500, GHK-Cu, CJC-1295, Ipamorelin, Semax, Selank, Melanotan-2, and 21 more. Current per-milligram pricing, COA links, and verification keys for each are in the comparison table on this page.
Is the Paramount Peptides review on Peptide Source Review affected by affiliate status?
No. All affiliate relationships are publicly disclosed and never change a vendor's score, rank, or gate status. Our scoring formula is published in full and applied identically to every vendor.
Want to understand how this score was built?
Read the full methodology or the editorial integrity policy.
Paramount Peptides7.12Strong
27 confirmed at the lab