products have a same-size listing from both sellers. The remaining 12 stay visibly unmatched.
Pepta Labs
vs Onyx BioLabs.
Compare Pepta Labs and Onyx BioLabs across 8 matched research peptide listing sizes, including 0 source-confirmed and in-stock list-price comparisons, 12 visible coverage gaps, source freshness, shipping claims, document access, and landed-cost paths.
8same-size matches
0both in stock
12products without a match
Dataset checked 2026-08-02Next dataset recheck Aug 16, 2026
Pair-specific readout
What this matchup actually resolves.
Pepta Labs lower / Onyx BioLabs lower / ties, counted only across 0 source-confirmed matches marked in stock for both.
public-link rows for Pepta Labs / Onyx BioLabs. Access describes visibility, not authenticity or supplied-vial identity.
2 same-size matches are excluded from lower-price counts because one or both availability states are unresolved.
8 same-size matches have at least one source awaiting review. Those listings retain their dated observations but cannot produce a source-confirmed price result.
Provider evidence passports
Transparency comparison pending.
One or both sellers sit outside the retained seven-provider pilot. No score is inferred from price, affiliate status, document links, or seller claims.
Pepta Labs
46/100Pilot record only, with no active badge
Onyx BioLabs
Audit pendingNo active badge
No winner is declared.
Use the pair's dated source, price, availability, policy, and document-access fields while the missing audit remains incomplete.
Read the scoring standardSide-by-side vendor comparison
Pepta Labs
16/16 public sources confirmed · 0 source checks flagged
Read full profile →vsNo overall winnerCompare the exact row and route.
Onyx BioLabs
0/10 public sources confirmed · 10 source checks flagged
Read full profile →Find a product comparison
Go straight to the peptide.
Search one peptide, narrow to same-size listings, then jump straight to the first match. Clear the filters at any time to see every tracked product.
Matched peptide comparison boards
Pepta Labs
$52.79$5.28 / mg
- Source check
- Source reconfirmedPublished row checked 2026-07-23
- Availability
- In stock
- Evidence
- COA on requestOn request
- Shipping
- Free US shipping claimed
Source reconfirmed
The current source matched the published price and stated availability.
Inspect monitor record →Row resultSource review requiredNo source-confirmed price resultCompare landed cost →
Onyx BioLabs
$39.99$4.00 / mg
- Source check
- Manual review requiredPublished row checked 2026-08-02
- Availability
- In stock
- Evidence
- Public batch-report libraryPublic link
- Shipping
- $11.99 standard; free over $200
Manual review required
The page did not yield one safe exact-product and exact-size offer candidate.
Inspect monitor record →Pepta Labs
$62.69$6.27 / mg
- Source check
- Source reconfirmedPublished row checked 2026-07-23
- Availability
- In stock
- Evidence
- COA on requestOn request
- Shipping
- Free US shipping claimed
Source reconfirmed
The current source matched the published price and stated availability.
Inspect monitor record →Row resultPepta Labs onlyOnly tracked at this size
Onyx BioLabsNot tracked
No qualified row at this product and nominal size. The gap stays visible.
Open vendor profile →Pepta Labs
$67.09$0.67 / mg
- Source check
- Source reconfirmedPublished row checked 2026-07-23
- Availability
- Out of stock
- Evidence
- COA on requestOn request
- Shipping
- Free US shipping claimed
Source reconfirmed
The current source matched the published price and stated availability.
Inspect monitor record →Row resultSource review requiredNo source-confirmed price resultCompare landed cost →
Onyx BioLabs
$54.99$0.55 / mg
- Source check
- Manual review requiredPublished row checked 2026-08-02
- Availability
- In stock
- Evidence
- Public batch-report libraryPublic link
- Shipping
- $11.99 standard; free over $200
Manual review required
The page did not yield one safe exact-product and exact-size offer candidate.
Inspect monitor record →Pepta Labs
$49.49$4.95 / mg
- Source check
- Source reconfirmedPublished row checked 2026-07-23
- Availability
- In stock
- Evidence
- COA on requestOn request
- Shipping
- Free US shipping claimed
Source reconfirmed
The current source matched the published price and stated availability.
Inspect monitor record →Row resultPepta Labs onlyOnly tracked at this size
Onyx BioLabsNot tracked
No qualified row at this product and nominal size. The gap stays visible.
Open vendor profile →Pepta Labs
$129.79$0.13 / mg
- Source check
- Source reconfirmedPublished row checked 2026-07-23
- Availability
- In stock
- Evidence
- COA on requestOn request
- Shipping
- Free US shipping claimed
Source reconfirmed
The current source matched the published price and stated availability.
Inspect monitor record →Row resultPepta Labs onlyOnly tracked at this size
Onyx BioLabsNot tracked
No qualified row at this product and nominal size. The gap stays visible.
Open vendor profile →Pepta Labs
$79.19$7.92 / mg
- Source check
- Source reconfirmedPublished row checked 2026-07-23
- Availability
- In stock
- Evidence
- COA on requestOn request
- Shipping
- Free US shipping claimed
Source reconfirmed
The current source matched the published price and stated availability.
Inspect monitor record →Row resultSource review requiredNo source-confirmed price resultCompare landed cost →
Onyx BioLabs
$77.49$7.75 / mg
- Source check
- Manual review requiredPublished row checked 2026-08-02
- Availability
- In stock
- Evidence
- Public product-linked reportPublic link
- Shipping
- $11.99 standard; free over $200
Manual review required
The page did not yield one safe exact-product and exact-size offer candidate.
Inspect monitor record →Pepta LabsNot tracked
No qualified row at this product and nominal size. The gap stays visible.
Open vendor profile →Row resultOnyx BioLabs onlyOnly tracked at this size
Onyx BioLabs
$59.99$12.00 / mg
- Source check
- Manual review requiredPublished row checked 2026-08-02
- Availability
- In stock
- Evidence
- Public batch-report libraryPublic link
- Shipping
- $11.99 standard; free over $200
Manual review required
The page did not yield one safe exact-product and exact-size offer candidate.
Inspect monitor record →Pepta Labs
$60.49$6.05 / mg
- Source check
- Source reconfirmedPublished row checked 2026-07-23
- Availability
- In stock
- Evidence
- COA on requestOn request
- Shipping
- Free US shipping claimed
Source reconfirmed
The current source matched the published price and stated availability.
Inspect monitor record →Row resultSource review requiredNo source-confirmed price resultCompare landed cost →
Onyx BioLabs
$59.99$6.00 / mg
- Source check
- Manual review requiredPublished row checked 2026-08-02
- Availability
- In stock
- Evidence
- Public batch-report libraryPublic link
- Shipping
- $11.99 standard; free over $200
Manual review required
The page did not yield one safe exact-product and exact-size offer candidate.
Inspect monitor record →Pepta Labs
$37.17$3.72 / mg
- Source check
- Source reconfirmedPublished row checked 2026-07-23
- Availability
- In stock
- Evidence
- COA on requestOn request
- Shipping
- Free US shipping claimed
Source reconfirmed
The current source matched the published price and stated availability.
Inspect monitor record →Row resultSource review requiredNo source-confirmed price resultCompare landed cost →
Onyx BioLabs
$35.99$3.60 / mg
- Source check
- Manual review requiredPublished row checked 2026-08-02
- Availability
- In stock
- Evidence
- Public batch-report libraryPublic link
- Shipping
- $11.99 standard; free over $200
Manual review required
The page did not yield one safe exact-product and exact-size offer candidate.
Inspect monitor record →Pepta Labs
$47.29$4.73 / mg
- Source check
- Source reconfirmedPublished row checked 2026-07-23
- Availability
- In stock
- Evidence
- COA on requestOn request
- Shipping
- Free US shipping claimed
Source reconfirmed
The current source matched the published price and stated availability.
Inspect monitor record →Row resultSource review requiredNo source-confirmed price resultCompare landed cost →
Onyx BioLabs
$38.99$3.90 / mg
- Source check
- Manual review requiredPublished row checked 2026-08-02
- Availability
- In stock
- Evidence
- Public batch-report libraryPublic link
- Shipping
- $11.99 standard; free over $200
Manual review required
The page did not yield one safe exact-product and exact-size offer candidate.
Inspect monitor record →Pepta Labs
$74.79$14.96 / mg
- Source check
- Source reconfirmedPublished row checked 2026-07-23
- Availability
- In stock
- Evidence
- COA on requestOn request
- Shipping
- Free US shipping claimed
Source reconfirmed
The current source matched the published price and stated availability.
Inspect monitor record →Row resultPepta Labs onlyOnly tracked at this size
Onyx BioLabsNot tracked
No qualified row at this product and nominal size. The gap stays visible.
Open vendor profile →Pepta LabsNot tracked
No qualified row at this product and nominal size. The gap stays visible.
Open vendor profile →Row resultNo comparisonNo same-size match
Onyx BioLabsNot tracked
No qualified row at this product and nominal size. The gap stays visible.
Open vendor profile →Pepta Labs
$27.49$5.50 / mg
- Source check
- Source reconfirmedPublished row checked 2026-07-23
- Availability
- In stock
- Evidence
- COA on requestOn request
- Shipping
- Free US shipping claimed
Source reconfirmed
The current source matched the published price and stated availability.
Inspect monitor record →Row resultPepta Labs onlyOnly tracked at this size
Onyx BioLabsNot tracked
No qualified row at this product and nominal size. The gap stays visible.
Open vendor profile →Pepta Labs
$32.99$3.30 / mg
- Source check
- Source reconfirmedPublished row checked 2026-07-23
- Availability
- In stock
- Evidence
- COA on requestOn request
- Shipping
- Free US shipping claimed
Source reconfirmed
The current source matched the published price and stated availability.
Inspect monitor record →Row resultSource review requiredNo source-confirmed price resultCompare landed cost →
Onyx BioLabs
$35.99$3.60 / mg
- Source check
- Manual review requiredPublished row checked 2026-08-02
- Availability
- In stock
- Evidence
- Public batch-report libraryPublic link
- Shipping
- $11.99 standard; free over $200
Manual review required
The page did not yield one safe exact-product and exact-size offer candidate.
Inspect monitor record →Pepta Labs
$36.29$3.63 / mg
- Source check
- Source reconfirmedPublished row checked 2026-07-23
- Availability
- Out of stock
- Evidence
- COA on requestOn request
- Shipping
- Free US shipping claimed
Source reconfirmed
The current source matched the published price and stated availability.
Inspect monitor record →Row resultSource review requiredNo source-confirmed price resultCompare landed cost →
Onyx BioLabs
$37.99$3.80 / mg
- Source check
- Manual review requiredPublished row checked 2026-08-02
- Availability
- In stock
- Evidence
- Public batch-report libraryPublic link
- Shipping
- $11.99 standard; free over $200
Manual review required
The page did not yield one safe exact-product and exact-size offer candidate.
Inspect monitor record →Pepta LabsNot tracked
No qualified row at this product and nominal size. The gap stays visible.
Open vendor profile →Row resultNo comparisonNo same-size match
Onyx BioLabsNot tracked
No qualified row at this product and nominal size. The gap stays visible.
Open vendor profile →Pepta Labs
$49.49$9.90 / mg
- Source check
- Source reconfirmedPublished row checked 2026-07-23
- Availability
- In stock
- Evidence
- COA on requestOn request
- Shipping
- Free US shipping claimed
Source reconfirmed
The current source matched the published price and stated availability.
Inspect monitor record →Row resultPepta Labs onlyOnly tracked at this size
Onyx BioLabsNot tracked
No qualified row at this product and nominal size. The gap stays visible.
Open vendor profile →Pepta Labs
$60.49$12.10 / mg
- Source check
- Source reconfirmedPublished row checked 2026-07-23
- Availability
- In stock
- Evidence
- COA on requestOn request
- Shipping
- Free US shipping claimed
Source reconfirmed
The current source matched the published price and stated availability.
Inspect monitor record →Row resultPepta Labs onlyOnly tracked at this size
Onyx BioLabsNot tracked
No qualified row at this product and nominal size. The gap stays visible.
Open vendor profile →Pepta Labs
$30.79$3.08 / mg
- Source check
- Source reconfirmedPublished row checked 2026-07-23
- Availability
- In stock
- Evidence
- COA on requestOn request
- Shipping
- Free US shipping claimed
Source reconfirmed
The current source matched the published price and stated availability.
Inspect monitor record →Row resultPepta Labs onlyOnly tracked at this size
Onyx BioLabsNot tracked
No qualified row at this product and nominal size. The gap stays visible.
Open vendor profile →Pepta LabsNot tracked
No qualified row at this product and nominal size. The gap stays visible.
Open vendor profile →Row resultOnyx BioLabs onlyOnly tracked at this size
Onyx BioLabs
$69.99$7.00 / mg
- Source check
- Manual review requiredPublished row checked 2026-08-02
- Availability
- In stock
- Evidence
- Public batch-report libraryPublic link
- Shipping
- $11.99 standard; free over $200
Manual review required
The page did not yield one safe exact-product and exact-size offer candidate.
Inspect monitor record →List-price differences exclude coupons, taxes, checkout-only charges, and unknown shipping. Use the landed-cost calculator before treating a row as cheaper.
Decision context
Check the source behind the price.
These are separate observations, not a safety score. A confirmed source shows that the public listing still matches the published row. It does not authenticate the material.
Pepta Labs16 / 16
100% confirmed · 0 source checks flagged
Onyx BioLabs0 / 10
0% confirmed · 10 source checks flagged
Pepta Labs0 public0 included · 16 on request
Onyx BioLabs10 public0 included · 0 on request
Pepta Labs14 in stock2 out · 0 unstated · 16 tracked
Onyx BioLabs10 in stock0 out · 0 unstated · 10 tracked
Head-to-head FAQ
What the current rows can answer.
Pair-specific answers built from the same dated price, source-monitor, availability, and document-access fields shown above.
How current is the Pepta Labs vs Onyx BioLabs price comparison?
At the August 2, 2026 at 10:13 AM UTC source-monitor snapshot, Pepta Labs had 16 of 16 public listing sources confirmed and 0 awaiting review. Onyx BioLabs had 0 of 10 confirmed and 10 awaiting review. Confirmation means the exact page price and stated availability matched the published row. It is not a product-quality finding.
Does Pepta Labs or Onyx BioLabs expose more public peptide documents?
Across exact-size rows tracked here, Pepta Labs has 0 rows with a public document or evidence route and Onyx BioLabs has 10. This measures access only. It does not verify laboratory independence, sample custody, lot identity, purity, or sterility.
Is Pepta Labs or Onyx BioLabs cheaper?
Across 0 shared rows that were source-confirmed and marked in stock at both sellers, Pepta Labs had the lower list price on 0, Onyx BioLabs on 0, with 0 ties. There is no overall price winner because product coverage, source status, availability, shipping, taxes, and checkout fees differ by row and destination.
What should I compare before choosing between Pepta Labs and Onyx BioLabs?
Match the exact compound, form, and nominal size first. Then inspect the current source-monitor status, explicit availability, document-access route, represented lot, seller terms, shipping policy, and landed cost. None of these fields by itself establishes identity, quality, safety, legality, or fitness for human use.
How do Pepta Labs and Onyx BioLabs compare on provider transparency?
One or both sellers were added after the retained seven-provider transparency pilot, so Peptide Local does not publish a score comparison for this pair. The dated price, availability, document-access, source-monitor, shipping, and policy fields remain available without inventing a replacement rating. No provider badge is active.
Crawlable matchups
Continue through the evidence graph.
Other canonical comparisons involving Pepta Labs or Onyx BioLabs, built from the same 2026-08-02 source rows.
01Pepta LabsvsPrime Peptides6 shared · 5 price-comparable↗02Pepta LabsvsAminoCore Research4 shared · 0 price-comparable↗03Pepta LabsvsCore Peptides7 shared · 0 price-comparable↗04Pepta LabsvsBiotech Peptides8 shared · 8 price-comparable↗05Pepta LabsvsPure Health Peptides6 shared · 5 price-comparable↗06Pepta LabsvsPurgo Labs10 shared · 7 price-comparable↗
Decision boundary
A comparison, not a certification.
Price
“Lower” means a lower public single-listing price only when both same-size rows were marked in stock. It is not a quality or safety score.
Evidence
Public link, included document, and document on request describe access. They do not authenticate the laboratory, sample custody, or supplied vial.
Route
Every row is a US laboratory-research listing. It is not a prescription, pharmacy, compounded medicine, treatment recommendation, or human-use pathway.