Save 10% at Paradigm Peptides with Boren Health. Shop now

Peptide Partners

Peptide Partners reviews

91 independent lab tests across 8 products · 99.3% average purity · 56 products with live pricing

Visit website
  • 91 HPLC samples across 8 products
  • Catalog avg purity 99.3%
  • peptide.partners
  • Independent testing, no pay-to-rank

Boren Health independently tests products and verifies reviews. Public methodology, no pay-to-rank.

Track Peptide Partners

Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.

Create free account

What the testing shows

Across 89 measured samples from Peptide Partners, 32 came in more than 5% under the quantity on the label (36%). Another 26 measured more than 5% over. Purity across 90 readings ran from 86.51% to 100%, median 99.8%. Samples span Jun 2025 to Aug 2026.

Under label
32/89

more than 5% short

Median purity
99.8%

86.51%–100% range

Latest sample
Aug 2026

first tested Jun 2025

Catalog & prices

Every peptide and vial size Peptide Partners currently sells. Prices refresh weekly.

Sort
Showing 1–24 of 56 products

Lab testing results

Independent results across 8 products.

91
Total lab tests
99.3%
Avg purity
100.0%
Best score
86.5%
Worst score

Tested products

Individual lab tests

Retatrutide10.0

Date

8/13/2026

Purity

99.9%

Quantity

12 mg → 11.1 mg

Lab

Krause Analytical

Vial

White label / Silver crimp / Clear Pink cap

View certificate
Retatrutide10.0

Date

8/12/2026

Purity

99.9%

Quantity

12 mg → 10.7 mg

Lab

Krause Analytical

Vial

White label, Silver crimp, Clear Pink cap

View certificate
Tesamorelin9.9

Date

8/5/2026

Purity

99.3%

Quantity

10 mg → 10.3 mg

Lab

Krause Analytical

Vial

White label, Silver crimp, Red cap

View certificate
BPC-15710.0

Date

8/5/2026

Purity

99.9%

Quantity

10 mg → 8.09 mg

Lab

Krause Analytical

Vial

White label, Silver crimp, Yellow cap

View certificate
Ipamorelin10.0

Date

8/5/2026

Purity

99.7%

Quantity

10 mg → 9.25 mg

Lab

Krause Analytical

Vial

White label, Silver crimp, Blue cap

View certificate
TB-50010.0

Date

8/5/2026

Purity

99.7%

Quantity

10 mg → 8.58 mg

Lab

Krause Analytical

Vial

White label, Silver crimp, Blue cap

View certificate
GHK-Cu10.0

Date

8/5/2026

Purity

99.9%

Quantity

100 mg → 121 mg

Lab

Krause Analytical

Vial

White label / Silver crimp / Red cap

View certificate
Retatrutide10.0

Date

8/5/2026

Purity

99.9%

Quantity

24 mg → 20.6 mg

Lab

Krause Analytical

Vial

White label, Silver crimp, Violet cap

View certificate
Retatrutide10.0

Date

8/4/2026

Purity

99.9%

Quantity

12 mg → 12.3 mg

Lab

Krause Analytical

Vial

White label / Red crimp / Clear Pink cap

View certificate
BPC-1579.9

Date

7/20/2026

Purity

99.5%

Quantity

10 mg → 12.2 mg

Lab

Krause Analytical

Vial

White label / Silver crimp / Yellow cap

View certificate
TB-5009.8

Date

7/20/2026

Purity

98.4%

Quantity

10 mg → 12.2 mg

Lab

Krause Analytical

Vial

White label / Silver crimp / Blue cap

View certificate
GHK-Cu10.0

Date

7/14/2026

Purity

99.907%

Quantity

100 mg → 95.26 mg

Lab

Chromate

Vial

White Label / Silver Crimp / Orange Cap

View certificate
GHK-Cu10.0

Date

7/14/2026

Purity

99.899%

Quantity

100 mg → 96.63 mg

Lab

Chromate

Vial

White Label / Silver Crimp / Orange Cap

View certificate
BPC-15710.0

Date

6/22/2026

Purity

99.9%

Quantity

10 mg → 10.3 mg

Lab

Krause Analytical

Vial

White label / Silver crimp / Yellow cap

View certificate
Retatrutide10.0

Date

6/16/2026

Purity

99.9%

Quantity

24 mg → 21.6 mg

Lab

Krause Analytical

Vial

White label / Silver crimp / Violet cap

View certificate
Retatrutide10.0

Date

6/12/2026

Purity

99.9%

Quantity

24 mg → 22.7 mg

Lab

Krause Analytical

Vial

White label / Silver crimp / Violet cap

View certificate
Retatrutide10.0

Date

5/8/2026

Purity

99.9%

Quantity

24 mg → 21.4 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Violet Cap

View certificate
BPC-1579.9

Date

4/28/2026

Purity

99.4%

Quantity

10 mg → 13 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Yellow Cap

View certificate
Retatrutide10.0

Date

4/28/2026

Purity

99.9%

Quantity

24 mg → 23.4 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Violet Cap

View certificate
GHK-Cu10.0

Date

4/23/2026

Purity

99.9%

Quantity

100 mg → 94.6 mg

Lab

Krause Analytical

Vial

White Label / Copper Crimp / Clear Cap

View certificate
Retatrutide10.0

Date

4/23/2026

Purity

99.9%

Quantity

24 mg → 22.5 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Violet Cap

View certificate
TB-5009.9

Date

3/4/2026

Purity

98.73%

Quantity

10 mg → 10.7 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Blue Cap

View certificate
BPC-1579.9

Date

3/4/2026

Purity

98.87%

Quantity

10 mg → 10.7 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Yellow Cap

View certificate
Retatrutide10.0

Date

3/3/2026

Purity

99.9%

Quantity

30 mg → 23.6 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Black Cap

View certificate
Retatrutide10.0

Date

3/2/2026

Purity

99.9%

Quantity

24 mg → 22.2 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Violet Cap

View certificate
Retatrutide10.0

Date

3/2/2026

Purity

99.9%

Quantity

24 mg → 22.3 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Violet Cap

View certificate
Retatrutide10.0

Date

3/1/2026

Purity

99.8%

Quantity

30 mg → 23.9 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Black Cap

View certificate
Retatrutide10.0

Date

2/22/2026

Purity

99.65%

Quantity

24 mg → 23.3 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Violet Cap

View certificate
Tesamorelin10.0

Date

2/20/2026

Purity

99.8%

Quantity

10 mg → 12.8 mg

Lab

BTLabs

View certificate
Tesamorelin9.9

Date

2/18/2026

Purity

99.14%

Quantity

10 mg → 12 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Blue Cap

View certificate
TB-50010.0

Date

2/18/2026

Purity

99.9%

Quantity

10 mg → 9.54 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Blue Cap

View certificate
TB-5009.9

Date

2/18/2026

Purity

98.8%

Quantity

10 mg → 10.9 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Blue Cap

View certificate
Tesamorelin9.9

Date

2/18/2026

Purity

98.71%

Quantity

10 mg → 11 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Blue Cap

View certificate
CJC-12959.9

Date

2/15/2026

Purity

99.5%

Quantity

10 mg → 16.2 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Orange Cap

View certificate
Ipamorelin10.0

Date

2/15/2026

Purity

99.9%

Quantity

10 mg → 10.1 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Red Cap

View certificate
Tesamorelin10.0

Date

2/11/2026

Purity

99.75%

Quantity

10 mg → 8.93 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Blue Cap

View certificate
Tesamorelin10.0

Date

2/11/2026

Purity

99.9%

Quantity

10 mg → 10.4 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Blue Cap

View certificate
Tesamorelin10.0

Date

2/11/2026

Purity

99.9%

Quantity

10 mg → 10.9 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Blue Cap

View certificate
Tesamorelin9.9

Date

2/11/2026

Purity

99.48%

Quantity

10 mg → 10.4 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Blue Cap

View certificate
TB-50010.0

Date

2/10/2026

Purity

99.8%

Quantity

10 mg → 10.6 mg

Lab

BTLabs

Vial

White Label / Silver Crimp / Blue Cap

View certificate
TB-50010.0

Date

2/10/2026

Purity

99.8%

Quantity

10 mg → 9.6 mg

Lab

BTLabs

Vial

White Label / Silver Crimp / Blue Cap

View certificate
Tesamorelin10.0

Date

2/10/2026

Purity

99.7%

Quantity

10 mg → 10.8 mg

Lab

BTLabs

Vial

White Label / Silver Crimp / Blue Cap

View certificate
Tesamorelin10.0

Date

2/10/2026

Purity

99.7%

Quantity

10 mg → 11.3 mg

Lab

BTLabs

Vial

White Label / Silver Crimp / Blue Cap

View certificate
TB-5009.9

Date

2/6/2026

Purity

99.07%

Quantity

10 mg → 9.56 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Blue Cap

View certificate
TB-5009.9

Date

2/6/2026

Purity

99.36%

Quantity

10 mg → 9.3 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Blue Cap

View certificate
TB-5009.9

Date

2/6/2026

Purity

99.15%

Quantity

10 mg → 10.9 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Blue Cap

View certificate
TB-5009.9

Date

2/6/2026

Purity

99.2%

Quantity

10 mg → 9.65 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Blue Cap

View certificate
Tesamorelin9.9

Date

1/30/2026

Purity

99.395%

Quantity

10 mg → 10.92 mg

Lab

Chromate

Vial

No Label / Silver Crimp / Blue Cap

View certificate
TB-5009.9

Date

1/30/2026

Purity

99.405%

Quantity

10 mg → 10.64 mg

Lab

Chromate

Vial

No Label / Silver Crimp / Blue Cap

View certificate
Tesamorelin9.9

Date

1/30/2026

Purity

99.428%

Quantity

10 mg → 10.65 mg

Lab

Chromate

Vial

No Label / Silver Crimp / Blue Cap

View certificate
TB-5009.8

Date

1/30/2026

Purity

98.155%

Quantity

10 mg → 10.71 mg

Lab

Chromate

Vial

No Label / Silver Crimp / Blue Cap

View certificate
Retatrutide10.0

Date

1/29/2026

Purity

99.73%

Quantity

24 mg → 23.1 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Black Cap

View certificate
Retatrutide10.0

Date

1/26/2026

Purity

99.98%

Quantity

30 mg → 23.9 mg

Lab

BTLabs

Vial

White Label / Black Crimp / Clear Green Cap

View certificate
CJC-12959.1

Date

12/6/2025

Purity

90.59%

Quantity

10 mg → 8.29 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Orange Cap

View certificate
CJC-12958.7

Date

12/6/2025

Purity

86.51%

Quantity

10 mg → 8.47 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Orange Cap

View certificate
CJC-12959.8

Date

11/24/2025

Purity

97.704%

Quantity

10 mg → 9.01 mg

Lab

Chromate

Vial

No Label / Silver Crimp / Orange Cap

View certificate
Ipamorelin10.0

Date

11/23/2025

Purity

99.9%

Quantity

10 mg → 10.1 mg

Lab

BTLabs

Vial

White Label / Silver Crimp / Red Cap

View certificate
Ipamorelin10.0

Date

11/23/2025

Purity

99.9%

Quantity

10 mg → 10.2 mg

Lab

BTLabs

Vial

White Label / Silver Crimp / Red Cap

View certificate
Ipamorelin10.0

Date

11/23/2025

Purity

99.9%

Quantity

10 mg → 10.4 mg

Lab

BTLabs

Vial

White Label / Silver Crimp / Red Cap

View certificate
Ipamorelin10.0

Date

11/23/2025

Purity

99.9%

Quantity

10 mg → 10.5 mg

Lab

BTLabs

Vial

White Label / Silver Crimp / Red Cap

View certificate
Retatrutide9.9

Date

11/17/2025

Purity

99.11%

Quantity

20 mg → 19.5 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Violet Cap

View certificate
BPC-15710.0

Date

11/6/2025

Purity

99.95%

Quantity

10 mg → 10.2 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Yellow Cap

View certificate
BPC-15710.0

Date

11/6/2025

Purity

99.95%

Quantity

10 mg → 10.7 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Yellow Cap

View certificate
CJC-12959.9

Date

11/4/2025

Purity

99.28%

Quantity

10 mg → 8.59 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Orange Cap

View certificate
BPC-15710.0

Date

11/4/2025

Purity

99.83%

Quantity

10 mg → 8.5 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Yellow Cap

View certificate
BPC-1579.9

Date

11/4/2025

Purity

98.88%

Quantity

10 mg → 10.8 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Yellow Cap

View certificate
CJC-129510.0

Date

11/4/2025

Purity

99.95%

Quantity

10 mg → 10.8 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Orange Cap

View certificate
CJC-129510.0

Date

11/4/2025

Purity

99.68%

Quantity

10 mg → 9.16 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Orange Cap

View certificate
CJC-129510.0

Date

11/4/2025

Purity

99.65%

Quantity

10 mg → 9.58 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Orange Cap

View certificate
BPC-1579.9

Date

11/4/2025

Purity

99.26%

Quantity

10 mg → 10.8 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Yellow Cap

View certificate
CJC-129510.0

Date

11/4/2025

Purity

99.77%

Quantity

10 mg → 8.79 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Orange Cap

View certificate
BPC-15710.0

Date

10/23/2025

Purity

99.73%

Quantity

10 mg → 8.67 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Yellow Cap

View certificate
Ipamorelin10.0

Date

10/23/2025

Purity

99.83%

Quantity

10 mg → 10.5 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Red Cap

View certificate
Ipamorelin10.0

Date

10/23/2025

Purity

99.67%

Quantity

10 mg → 10.5 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Red Cap

View certificate
Retatrutide10.0

Date

10/9/2025

Purity

99.63%

Quantity

20 mg → 19 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Violet Cap

View certificate
Retatrutide10.0

Date

10/9/2025

Purity

99.6%

Quantity

20 mg → 19.6 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Violet Cap

View certificate
Retatrutide10.0

Date

10/5/2025

Purity

99.75%

Quantity

20 mg → 19 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Violet Cap

View certificate
Tirzepatide10.0

Date

10/3/2025

Purity

99.87%

Quantity

40 mg → 36.3 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Black Cap

View certificate
Tirzepatide10.0

Date

10/3/2025

Purity

99.83%

Quantity

40 mg → 36.9 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Black Cap

View certificate
Tirzepatide10.0

Date

10/3/2025

Purity

99.83%

Quantity

40 mg → 38 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Black Cap

View certificate
Retatrutide10.0

Date

10/2/2025

Purity

100%

Quantity

20 mg → 24.3 mg

Lab

BTLabs

Vial

White Label / Silver Crimp / Violet Cap

View certificate
Retatrutide10.0

Date

9/30/2025

Purity

99.9%

Quantity

20 mg → 18.9 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Violet Cap

View certificate
Retatrutide10.0

Date

9/30/2025

Purity

100%

Quantity

20 mg → 21.9 mg

Lab

BTLabs

Vial

White Label / Silver Crimp / Violet Cap

View certificate
Retatrutide10.0

Date

9/30/2025

Purity

99.93%

Quantity

20 mg → 18.9 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Violet Cap

View certificate
Retatrutide10.0

Date

9/30/2025

Purity

99.92%

Quantity

20 mg → 18.5 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Violet Cap

View certificate
Tirzepatide

Date

9/29/2025

Purity

—

Quantity

—

Lab

MZ Biolabs

Vial

No Label / Silver Crimp / Brown Cap

View certificate
Tirzepatide10.0

Date

9/9/2025

Purity

99.52%

Quantity

40 mg → 40.32 mg

Lab

MZ Biolabs

Vial

No Label / Silver Crimp / BrownCap

View certificate
Tirzepatide9.9

Date

9/9/2025

Purity

99.46%

Quantity

40 mg → 42.15 mg

Lab

MZ Biolabs

Vial

No Label / Silver Crimp / Brown Cap

View certificate
Retatrutide10.0

Date

8/21/2025

Purity

99.95%

Quantity

20 mg → 20.2 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Violet Cap

View certificate
Retatrutide10.0

Date

7/17/2025

Purity

99.95%

Quantity

30 mg → 30.4 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Black Cap

View certificate
Tirzepatide10.0

Date

6/11/2025

Purity

99.65%

Quantity

30 mg → 19.9 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Black Cap

View certificate

About Peptide Partners

Finnrick has tested 91 samples from Peptide Partners across 8 products.

Contact

Vendors researchers compare with Peptide Partners

Suppliers stocking the same compounds, each with their own published lab results and price per mg.