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Tesamorelin 10mg
Product analysis · PepSource

Tesamorelin 10mg

10 mg per vial of Tesamorelin, sold by PepSource. An analytical report is on file from Janoshik Analytical, showing 99.022% purity. For laboratory research use only.

Why this score?
Testing & analytical evidence
40/45
Value
18/25
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 transparency: 40/45
£50.00PepSource
10 mgVial size
1Vials per pack
£50.00Price / vial
£5.00Price / mg
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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 evidence89/100
40 of 45 points
Value72/100
18 of 25 points
Product identity93/100
14 of 15 points
Supplier transparency100/100
10 of 10 points
Label & listing transparency100/100
5 of 5 points

Overall: 87/100 - Strong. 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

Verified independent evidence

Evidence status
Verified independent evidence
Manufacturer statement
Every batch is independently third-party tested for HPLC purity and mass-spectrometry identity; the certificate of analysis for the batch you receive is published on our lab results page. Batch AS250910 · Third-party tested
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
AS250910
Batch-specific report
Recorded
Report date
2025-09-12
Evidence checked
2026-09-22
Purity (HPLC)
99.022%
Chromatogram
Not shown
Identity / mass spectrometry
Independent, identity stated
Measured content
Within 2% of label
Lab verification
Can be verified with the laboratory
Microbiology / endotoxin
Not shown

I found a product-specific COA for Tesamorelin 10mg batch AS250910 with Janoshik Analytical, dated 2025-09-12, showing 99.022% purity and measured content of 10.11 mg. No sterility, endotoxin, or contaminant panel was shown on the page.

Dose & value

Vial size
10 mg
Vials per pack
1 (single vial)
Pack price
£50.00
Price per vial
£50.00
Price per mg
£5.00
Compared with other suppliers
In line with the median (10 suppliers, same peptide)
Price last checked
22 Sep 2026

Tesamorelin product details

Compound
Tesamorelin
Supplier product name
Tesamorelin
Supplier product code (SKU)
TSM10
CAS number
Not disclosed
Presentation
Lyophilised powder vial
Storage
Store sealed vials cool, dry and away from light; freeze for long-term storage Recons
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
PepSource
Legal company
PepSource
Companies House verified
Yes
UK address disclosed
Yes
Contact details
Yes
Shipping policy
Yes
Returns policy
Yes
Batch / testing process explained
Yes

View the full supplier profile →

Compare all Tesamorelin suppliers →

What the record makes clear

  • An analytical report was located for this listing.
  • The report is for batch AS250910 - 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

Tesamorelin 10mgAscend Peptides UK

Why this score?
Testing & analytical evidence
39/45
Value
21/25
Product identity
13/15
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
Tesamorelin 10mg research peptide UK is ... ≥98% purity. Janoshik tested.
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
20260114
Batch-specific report
Recorded
Report date
2026-04-07
Evidence checked
2026-09-21
£4.00per mg
£39.99per pack
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Product & testing details
Supplier
Ascend Peptides UK
Vials per pack
1
Price per vial
£39.99
Listing last checked
2026-09-21 17:26:44
Evidence status
Verified independent evidence
Manufacturer statement
Tesamorelin 10mg research peptide UK is ... ≥98% purity. Janoshik tested.
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
20260114
Batch-specific report
Recorded
Report date
2026-04-07
Evidence checked
2026-09-21

Tesamorelin 10mg

Ascend Peptides UK
Why this score?
Testing & analytical evidence
39/45
Value
21/25
Product identity
13/15
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
Tesamorelin 10mg research peptide UK is ... ≥98% purity. Janoshik tested.
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
20260114
Batch-specific report
Recorded
Report date
2026-04-07
Evidence checked
2026-09-21
£4.00per mg
£39.99per pack
View AnalysisBuy Now

Compare alternative

Tesamorelin (Research Material) — 10mgSPX Labs

Why this score?
Testing & analytical evidence
39/45
Value
24/25
Product identity
14/15
Supplier transparency
6/10
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
SPX product page claims batch-specific traceability and states: 'SPX batch SPX-TESA10-001 is associated with supporting analytical documentation reporting: Reported peptide content: 10.12mg; Reported peptide purity: 99.839%; SPX batch reference: SPX-TESA10-001.'
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
SPX-TESA10-001
Batch-specific report
Recorded
Report date
2026-04-16
Evidence checked
2026-09-21
£3.30per mg
£32.99per pack
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Product & testing details
Supplier
SPX Labs
Vials per pack
1
Price per vial
£32.99
Listing last checked
2026-09-21 18:00:22
Evidence status
Verified independent evidence
Manufacturer statement
SPX product page claims batch-specific traceability and states: 'SPX batch SPX-TESA10-001 is associated with supporting analytical documentation reporting: Reported peptide content: 10.12mg; Reported peptide purity: 99.839%; SPX batch reference: SPX-TESA10-001.'
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
SPX-TESA10-001
Batch-specific report
Recorded
Report date
2026-04-16
Evidence checked
2026-09-21

Tesamorelin (Research Material) — 10mg

SPX Labs
Why this score?
Testing & analytical evidence
39/45
Value
24/25
Product identity
14/15
Supplier transparency
6/10
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
SPX product page claims batch-specific traceability and states: 'SPX batch SPX-TESA10-001 is associated with supporting analytical documentation reporting: Reported peptide content: 10.12mg; Reported peptide purity: 99.839%; SPX batch reference: SPX-TESA10-001.'
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
SPX-TESA10-001
Batch-specific report
Recorded
Report date
2026-04-16
Evidence checked
2026-09-21
£3.30per mg
£32.99per pack
View AnalysisBuy Now

Compare alternative

Tesamorelin 10mgReta Research

Why this score?
Testing & analytical evidence
12/45
Value
22/25
Product identity
12/15
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
Testing claimed
Manufacturer statement
Lyophilised powder, 10mg vial, ≥99% purity by HPLC, Certificate of Analysis on request. Research-grade peptides, independently HPLC-tested and dispatched fast across the UK. Independent Certificates of Analysis, published for every lot we ship.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-20
£3.80per mg
£38.00per pack
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Product & testing details
Supplier
Reta Research
Vials per pack
1
Price per vial
£38.00
Listing last checked
2026-09-20 09:20:11
Evidence status
Testing claimed
Manufacturer statement
Lyophilised powder, 10mg vial, ≥99% purity by HPLC, Certificate of Analysis on request. Research-grade peptides, independently HPLC-tested and dispatched fast across the UK. Independent Certificates of Analysis, published for every lot we ship.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-20

Tesamorelin 10mg

Reta Research
Why this score?
Testing & analytical evidence
12/45
Value
22/25
Product identity
12/15
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
Testing claimed
Manufacturer statement
Lyophilised powder, 10mg vial, ≥99% purity by HPLC, Certificate of Analysis on request. Research-grade peptides, independently HPLC-tested and dispatched fast across the UK. Independent Certificates of Analysis, published for every lot we ship.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-20
£3.80per mg
£38.00per pack
View AnalysisBuy Now