NextGen Peptides is a US research-peptide vendor based in Carlsbad, CA that lists 39 injectable peptides, 2 capsules and 3 nasal sprays, including Tirzepatide, GHK-Cu and Retatrutide. Across 38 products with a market median, its prices sit 34% below the median for the same peptide and vial size; it is the cheapest vendor we track on Tirzepatide and Retatrutide, and pricier on Semax. We found certificates for most of the in-stock products we track. Based on the certificates our crawler found; vendors may publish more than we index. Shipping is quoted at 2 days; it accepts card and PayPal.
Facts extracted from the vendor’s site and not yet reviewed by us.
COA coverage: Broad
We found certificates for most of the in-stock products we track. Based on the certificates our crawler found; vendors may publish more than we index.
from 130 indexed documents
current certificates, by the date printed on them
ILS signs the most of them
oldest Mar 31, 2026
a few are flagged made in the USA. The site names ILS Labs as its testing lab. These are the vendor’s own flags, not our measurements.
NextGen Peptides states every lot is tested by ILS Labs with a full QC panel (HPLC purity, identity confirmation, fentanyl screening, ICP-MS heavy metals, sterility PCR, and endotoxin testing) at a declared 99%+ purity standard, with certificates filed by lot number.
$3.20/mg median
▼ 9%
Median price per mg across NextGen Peptides’s 24-51 priced listings, from Jul 17 ($3.50/mg) to Oct 14 ($3.20/mg) over 47 observed days. The mix of products behind the median changes as listings come and go, so this tracks the catalog as well as the prices.
2 of NextGen Peptides’s tracked listings changed price in the last 30 days: 0 down, 2 up.
Listed prices at NextGen Peptides against the median price per mg for the same peptide at the same vial size, across every vendor we track. Vendors change prices without notice, so check the current listing before you order.
Below the market median on 24 of 25 comparable listings, above it on 1. Typical listing: 31% below market. Showing the 6 largest differences.
International
34% below
vs market median
28
peptides
Broad
in-stock products
Oct 14
International
1% below
vs market median
44
peptides
None found
in-stock products
Oct 14
International
21% below
vs market median
48
peptides
Broad
in-stock products
Oct 14
International
7% above
vs market median
59
peptides
None found
in-stock products
Oct 12
NextGen Peptides sits 34% below market the tracked market median on matched peptide/size rows. The catalog in this index is smaller than Redline Bio Labs's. On COA coverage, NextGen Peptides rates broad and Redline Bio Labs rates none found. Based on the certificates our crawler found; vendors may publish more than we index.
The honest comparison unit is price per mg on matched peptide/size rows. COA coverage is presence of a current indexed document, not purity-as-quality. See the Evidence Atlas and how to read a COA.
Evidence boundary: Listed prices, stock signals, and indexed COA documents are observations. They do not establish legitimacy, authenticity, safety, sterility, chain of custody, product quality, fulfillment, or suitability. No vendor is endorsed.
We have indexed 9 public posts naming NextGen Peptides in the last 180 days (9 on Reddit across everything we hold), the most recent on Jun 14, 2026. These are links, not findings: we have not verified anything claimed in them.
Pricing data cannot settle that question, and we do not test products or verify fulfillment. Here is the evidence we do hold for NextGen Peptides. We found certificates for most of the in-stock products we track. Those certificates were signed by 1 lab, the newest tested September 23, 2026. Based on the certificates our crawler found; vendors may publish more than we index. We have been recording their prices since July 3, 2026. Read each certificate yourself, check that its lot and compound match what you are buying, and treat anything we have not recorded as unknown rather than as an answer.
We found certificates for most of the in-stock products we track. The freshest was tested September 23, 2026. Based on the certificates our crawler found; vendors may publish more than we index. Their own testing page is at https://ngpeptide.com/coa. A certificate on file records what a document says; it cannot prove chain of custody or what is in the vial you receive.
NextGen Peptides states that orders ship from Carlsbad, CA (US). They state that they do not ship internationally. This is what the vendor says about itself, not something we have verified.
We have not recorded a shipping cost for NextGen Peptides. Stated delivery is 2–2 days. Their shipping page is at https://ngpeptide.com/legal/shipping-policy. Checkout is the only place these figures are binding.
At the time we recorded it, NextGen Peptides listed credit or debit card and PayPal. Peptide storefronts change processors often, so the options at checkout may differ from what we hold.
We have none on record for NextGen Peptides. When a code we can verify appears, it shows on this page and the prices here are adjusted for it; until then, every figure on this page is the list price.
Across 38 graded products, NextGen Peptides's median price per mg sits 34.4% below the median for the same peptide at the same vial size. We track 28 products from them in total. Price per mg is the comparison unit: a cheaper vial holding less is not a cheaper product.
Product documentation
Across the tracked peptide products we hold for NextGen Peptides, COA coverage rates broad. The public index contains 130 documents. Reported test dates in this set run from Mar 31, 2026 through Sep 23, 2026. That rating covers the full tracked catalogue for NextGen Peptides, including products that are currently out of stock, so it can differ from the in-stock rating above. Based on the certificates our crawler found; vendors may publish more than we index.
across the full tracked catalogue
current certificates, by the printed test date.
Printed date is over 18 months old.
Named on more current records than any other lab.
Certificate assessment
10 evaluated certificates
10 graded · 0 not graded · 6 in the A range.
The sample prioritizes up to ten popular peptides from this vendor. Grades assess the document and its reported tests, not the vendor’s whole catalog or the safety of a product.
Automated checks can make mistakes. Open “Why this result?” for the reason and any review notice, and check the linked COA’s lot against your product. How grading works
10 evaluated records
Document grade
X2: The certificate's identity evidence (Identity (HPLC-RTM) BPC-157 - Confirmed) can't confirm the peptide on its own; that needs mass spectrometry or a side-by-side match to a reference standard.
Document check: fail.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
bpc10-10
Document grade
X2: The certificate's identity evidence (Identity (HPLC-RTM): GHK-Cu) can't confirm the peptide on its own; that needs mass spectrometry or a side-by-side match to a reference standard.
Document check: fail.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
ghk-15
Document grade
C3: We couldn't confirm this certificate against the lab's own records, so the grade stops at A-.
Document check: flag.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
slk09
Document grade
X2: The certificate's identity evidence (Identity (HPLC-RTM) Tesamorelin) can't confirm the peptide on its own; that needs mass spectrometry or a side-by-side match to a reference standard.
Document check: fail.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
TSM20-06
Document grade
X2: The certificate's identity evidence (Identity (HPLC-RTM) TB-4) can't confirm the peptide on its own; that needs mass spectrometry or a side-by-side match to a reference standard.
Document check: fail.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
TB20-07
Document grade
C3: We couldn't confirm this certificate against the lab's own records, so the grade stops at A-.
Document check: flag.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
RT10-22
Document grade
C3: We couldn't confirm this certificate against the lab's own records, so the grade stops at A-.
Document check: flag.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
KPV
Document grade
C3: We couldn't confirm this certificate against the lab's own records, so the grade stops at A-.
Document check: flag.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
SMX30-02
Document grade
C3: We couldn't confirm this certificate against the lab's own records, so the grade stops at A-.
Document check: flag.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
MS40-09
Document grade
C3: We couldn't confirm this certificate against the lab's own records, so the grade stops at A-.
Document check: flag.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
IPA10-2
| COA grade | Printed lab | Certificate | |||
|---|---|---|---|---|---|
| BPC-157 Lot: bpc10-10 | Document grade Why this result?X2: The certificate's identity evidence (Identity (HPLC-RTM) BPC-157 - Confirmed) can't confirm the peptide on its own; that needs mass spectrometry or a side-by-side match to a reference standard. Document check: fail. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | ILS Laboratories | Sep 23, 2026 | 99.71%99.5%+ | View COA |
| GHK-Cu Lot: ghk-15 | Document grade Why this result?X2: The certificate's identity evidence (Identity (HPLC-RTM): GHK-Cu) can't confirm the peptide on its own; that needs mass spectrometry or a side-by-side match to a reference standard. Document check: fail. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | ILS Laboratories | Sep 23, 2026 | 99.89%99.5%+ | View COA |
| Selank Lot: slk09 | Document grade Why this result?C3: We couldn't confirm this certificate against the lab's own records, so the grade stops at A-. Document check: flag. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | ILS Laboratories | Sep 23, 2026 | 99.54%99.5%+ | View COA |
| Tesamorelin Lot: TSM20-06 | Document grade Why this result?X2: The certificate's identity evidence (Identity (HPLC-RTM) Tesamorelin) can't confirm the peptide on its own; that needs mass spectrometry or a side-by-side match to a reference standard. Document check: fail. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | ILS Laboratories | Sep 14, 2026 | 99.64%99.5%+ | View COA |
| TB-500 Lot: TB20-07 | Document grade Why this result?X2: The certificate's identity evidence (Identity (HPLC-RTM) TB-4) can't confirm the peptide on its own; that needs mass spectrometry or a side-by-side match to a reference standard. Document check: fail. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | ILS Laboratories | Sep 3, 2026 | 99.83%99.5%+ | View COA |
| Retatrutide Lot: RT10-22 | Document grade Why this result?C3: We couldn't confirm this certificate against the lab's own records, so the grade stops at A-. Document check: flag. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | ILS Laboratories | Aug 28, 2026 | 99.66%99.5%+ | View COA |
| KPV Lot: KPV | Document grade Why this result?C3: We couldn't confirm this certificate against the lab's own records, so the grade stops at A-. Document check: flag. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | ILS Laboratories | Aug 24, 2026 | 99.14%99.0–99.49% | View COA |
| Semax Lot: SMX30-02 | Document grade Why this result?C3: We couldn't confirm this certificate against the lab's own records, so the grade stops at A-. Document check: flag. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | ILS Laboratories | Aug 24, 2026 | 99.82%99.5%+ | View COA |
| MOTS-c Lot: MS40-09 | Document grade Why this result?C3: We couldn't confirm this certificate against the lab's own records, so the grade stops at A-. Document check: flag. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | ILS Laboratories | Aug 18, 2026 | 99.54%99.5%+ | View COA |
| Ipamorelin Lot: IPA10-2 | Document grade Why this result?C3: We couldn't confirm this certificate against the lab's own records, so the grade stops at A-. Document check: flag. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | ILS Laboratories | Aug 17, 2026 | 99.85%99.5%+ | View COA |
28 current records
bpc10-10
epithalon
ghk-15
pt10-04
slk09
GLUT-07
TSM20-06
TRZ60-05
TB20-07
TA1-05
AD06
ND500-05
RT10-22
NSP-DSIP-01
MT1-01
ARA16-01
KPV
SMX30-02
MT10-4
MS40-09
CG10-14
IPA10-2
ADX-03
SM10-06
TECAP02
SLP-CAP-Q2
VIP-03
KSP01
A record appears on file after our pipeline identifies the document as a certificate of analysis and matches its printed compound to a catalog peptide. The record cannot prove authenticity, chain of custody, sterility, product safety, or suitability for use.
These are counts of documents in our index, and a coverage rating of what our crawler found. They do not grade vendor quality, legitimacy, or safety. Printed fields can contain transcription errors. “Older record” means the reported test date is more than 18 months old.
See the testing methodology and dataset, or compare this coverage against another vendor in the vendor comparison tool.
The Peptide App. NextGen Peptides peptide prices, COA coverage and vendor facts. Updated October 14, 2026. https://www.thepeptide.app/pricing/vendor/nextgen-peptides
The Peptide App. (2026). NextGen Peptides peptide prices, COA coverage and vendor facts. Retrieved from https://www.thepeptide.app/pricing/vendor/nextgen-peptides
Prices and certificate counts on this page were last refreshed October 14, 2026.
