Skip to content
UKUSA
Semax 5mg
Product analysis · Royale Bio Labs

Semax 5mg

5 mg per vial of Semax, sold by Royale Bio Labs. An analytical report is on file, showing 99.66% purity. For laboratory research use only.

Why this score?
Testing & analytical evidence
29/45
Value
3/25
Product identity
10/15
Supplier transparency
5/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing transparency: 29/45
£35.00Royale Bio Labs
5 mgVial size
1Vials per pack
£35.00Price / vial
£7.00Price / mg
Buy NowCompare alternatives

We may earn a commission from qualifying purchases. This never affects our scores. Research-use product only - not for human or veterinary use.

The score, explained

Our scoring methodology
Testing & analytical evidence64/100
29 of 45 points
Value13/100
3.1 of 25 points
Product identity67/100
10 of 15 points
Supplier transparency45/100
4.5 of 10 points
Label & listing transparency100/100
5 of 5 points

Overall: 51.6/100 - Limited. The score compares the documentation and characteristics of this research product - not whether a peptide is safe, effective or suitable for human use. Affiliate commission contributes no points.

Testing & evidence

Manufacturer COA

Evidence status
Manufacturer COA
Manufacturer statement
"Certified pure"; "3rd-party lab tested · COA available"; "99%+ purity"; "3rd-party COA"; "Independent third-party verification"; "All certificates are issued by Veridis Analytical Labs, an ISO 17025 accredited facility."
Laboratory
Not recorded
Certification body
Not recorded
Batch
RB-SEMAX-2956
Batch-specific report
Recorded
Report date
2026-01-13
Evidence checked
2026-10-25
Purity (HPLC)
99.66%
Chromatogram
Not shown
Identity / mass spectrometry
Not shown
Measured content
Not shown
Lab verification
No public verification
Microbiology / endotoxin
Not shown

RoyaleBioLabs provides a product-specific Semax COA entry on its lab reports page with a matching batch number and listed purity of 99.66%. I could not verify the underlying report document itself here, so chromatogram, MS, and contaminant/micro testing remain unconfirmed.

Dose & value

Vial size
5 mg
Vials per pack
1 (single vial)
Pack price
£35.00
Price per vial
£35.00
Price per mg
£7.00
Compared with other suppliers
18% above the median (7 suppliers, same peptide)
Price last checked
25 Oct 2026

Semax product details

Compound
Semax
Supplier product name
Semax
Supplier product code (SKU)
Not disclosed
CAS number
Not disclosed
Presentation
Vial
Storage
Not disclosed
Supplier purity claim
Not disclosed

Listing details describe the supplier's own product page; they do not independently verify the contents of any vial. Check the current listing and the batch covered by any test report.

Supplier transparency

Supplier
Royale Bio Labs
Legal company
RoyaleBioLabs
Companies House verified
Not found
UK address disclosed
Not found
Contact details
Yes
Shipping policy
Yes
Returns policy
Yes
Batch / testing process explained
Yes

View the full supplier profile →

Compare all Semax suppliers →

What the record makes clear

  • An analytical report was located for this listing.
  • The report is for batch RB-SEMAX-2956 - confirm it matches the vial you receive.
  • Price per mg can be calculated from the labelled vial size.

What to keep in mind

  • Research use only. A score is not an endorsement, and does not mean a product is safe, sterile, effective or suitable for human or veterinary use.
  • One tested sample does not guarantee every vial is identical.

Explore the alternatives

Compare alternative

Semax 5-mg / owsa-semax-5mgOwsa Labs

Why this score?
Testing & analytical evidence
10/45
Value
14/25
Product identity
11/15
Supplier transparency
3/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Quantity
5 mg / vial
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Certificate of analysis on every product; Third-party tested; We hold 1 laboratory report for this compound. It covers the lot it names, so check the lot number on your vial against the list below. Testing by Janoshik Analytical, covering peptide content and purity.
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-22
£3.40per mg
£16.99per pack
View AnalysisBuy Now
Product & testing details
Supplier
Owsa Labs
Vials per pack
1
Price per vial
£16.99
Listing last checked
2026-09-22 11:04:33
Evidence status
Testing claimed
Manufacturer statement
Certificate of analysis on every product; Third-party tested; We hold 1 laboratory report for this compound. It covers the lot it names, so check the lot number on your vial against the list below. Testing by Janoshik Analytical, covering peptide content and purity.
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-22

Semax 5-mg / owsa-semax-5mg

Owsa Labs
Why this score?
Testing & analytical evidence
10/45
Value
14/25
Product identity
11/15
Supplier transparency
3/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Certificate of analysis on every product; Third-party tested; We hold 1 laboratory report for this compound. It covers the lot it names, so check the lot number on your vial against the list below. Testing by Janoshik Analytical, covering peptide content and purity.
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-22
£3.40per mg
£16.99per pack
View AnalysisBuy Now

Compare alternative

Semax 10mgOptimus Labs

Why this score?
Testing & analytical evidence
32/45
Value
25/25
Product identity
15/15
Supplier transparency
10/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Quantity
10 mg / vial
Testing evidence
Evidence status
Manufacturer COA
Manufacturer statement
Purity: ≥99% (HPLC); Batch-controlled manufacturing; Every batch verified for quality and consistency; Tested for purity; HPLC-tested
Laboratory
Not recorded
Certification body
Not recorded
Batch
SMX301
Batch-specific report
Recorded
Report date
2026-03-01
Evidence checked
2026-09-24
£1.45per mg
£14.50per pack
View AnalysisBuy Now
Product & testing details
Supplier
Optimus Labs
Vials per pack
1
Price per vial
£14.50
Listing last checked
2026-09-24 10:40:01
Evidence status
Manufacturer COA
Manufacturer statement
Purity: ≥99% (HPLC); Batch-controlled manufacturing; Every batch verified for quality and consistency; Tested for purity; HPLC-tested
Laboratory
Not recorded
Certification body
Not recorded
Batch
SMX301
Batch-specific report
Recorded
Report date
2026-03-01
Evidence checked
2026-09-24

Semax 10mg

Optimus Labs
Why this score?
Testing & analytical evidence
32/45
Value
25/25
Product identity
15/15
Supplier transparency
10/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Manufacturer COA
Manufacturer statement
Purity: ≥99% (HPLC); Batch-controlled manufacturing; Every batch verified for quality and consistency; Tested for purity; HPLC-tested
Laboratory
Not recorded
Certification body
Not recorded
Batch
SMX301
Batch-specific report
Recorded
Report date
2026-03-01
Evidence checked
2026-09-24
£1.45per mg
£14.50per pack
View AnalysisBuy Now

Compare alternative

Semax 10mgPepSource

Why this score?
Testing & analytical evidence
40/45
Value
13/25
Product identity
14/15
Supplier transparency
10/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Quantity
10 mg / vial
Testing evidence
Evidence status
Verified independent evidence
Manufacturer statement
"Every batch is independently third-party tested for HPLC purity and mass-spectrometry identity, and the certificate of analysis for the batch you receive is published on our lab results page." "Purity: Verified by HPLC on every batch — the measured figure for your lot is published on its certificate of analysis"
Laboratory
Freedom Diagnostics Testing
Certification body
Not recorded
Batch
XA10-2606-02-IV
Batch-specific report
Recorded
Report date
2026-06-02
Evidence checked
2026-09-22
£3.50per mg
£35.00per pack
View AnalysisBuy Now
Product & testing details
Supplier
PepSource
Vials per pack
1
Price per vial
£35.00
Listing last checked
2026-09-22 11:04:33
Evidence status
Verified independent evidence
Manufacturer statement
"Every batch is independently third-party tested for HPLC purity and mass-spectrometry identity, and the certificate of analysis for the batch you receive is published on our lab results page." "Purity: Verified by HPLC on every batch — the measured figure for your lot is published on its certificate of analysis"
Laboratory
Freedom Diagnostics Testing
Certification body
Not recorded
Batch
XA10-2606-02-IV
Batch-specific report
Recorded
Report date
2026-06-02
Evidence checked
2026-09-22

Semax 10mg

PepSource
Why this score?
Testing & analytical evidence
40/45
Value
13/25
Product identity
14/15
Supplier transparency
10/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Verified independent evidence
Manufacturer statement
"Every batch is independently third-party tested for HPLC purity and mass-spectrometry identity, and the certificate of analysis for the batch you receive is published on our lab results page." "Purity: Verified by HPLC on every batch — the measured figure for your lot is published on its certificate of analysis"
Laboratory
Freedom Diagnostics Testing
Certification body
Not recorded
Batch
XA10-2606-02-IV
Batch-specific report
Recorded
Report date
2026-06-02
Evidence checked
2026-09-22
£3.50per mg
£35.00per pack
View AnalysisBuy Now