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Zenith Jove Peptide ZJ

Zenith Jove Peptide ZJ reviews

82 independent lab tests across 9 products · 99.6% average purity

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  • 82 HPLC samples across 9 products
  • Catalog avg purity 99.6%
  • zjpeptide.com
  • Independent testing, no pay-to-rank

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

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What the testing shows

Across 80 measured samples from Zenith Jove Peptide ZJ, 10 came in more than 5% under the quantity on the label (13%). Another 38 measured more than 5% over. Purity across 81 readings ran from 95.1% to 99.95%, median 99.9%. Samples span Dec 2025 to Aug 2026.

Under label
10/80

more than 5% short

Median purity
99.9%

95.1%–99.95% range

Latest sample
Aug 2026

first tested Dec 2025

Ships from
China

per vendor listing

Lab testing results

Independent results across 9 products.

82
Total lab tests
99.6%
Avg purity
99.9%
Best score
95.1%
Worst score

Tested products

Individual lab tests

Retatrutide10.0

Date

8/18/2026

Purity

99.7%

Quantity

10 mg → 10 mg

Lab

BTLabs

Vial

White label / Silver crimp / Green cap

View certificate
Retatrutide9.9

Date

8/18/2026

Purity

99%

Quantity

20 mg → 21.9 mg

Lab

BTLabs

Vial

White label / Copper crimp / Clear cap

View certificate
Retatrutide10.0

Date

8/13/2026

Purity

99.9%

Quantity

10 mg → 8.6 mg

Lab

Krause Analytical

Vial

No label, Silver crimp, Green cap

View certificate
Retatrutide10.0

Date

8/12/2026

Purity

99.9%

Quantity

20 mg → 19.2 mg

Lab

Krause Analytical

Vial

No label / Copper crimp / Clear cap

View certificate
Retatrutide10.0

Date

8/4/2026

Purity

99.9%

Quantity

1 mg → 3.32 mg

Lab

Krause Analytical

Vial

No label / Silver crimp / Yellow cap

View certificate
PT-14110.0

Date

7/23/2026

Purity

99.9%

Quantity

10 mg → 10.7 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Green Cap

View certificate
Melanotan II10.0

Date

7/23/2026

Purity

99.9%

Quantity

10 mg → 9.81 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Yellow Cap

View certificate
Cagrilintide10.0

Date

7/23/2026

Purity

99.9%

Quantity

10 mg → 10.7 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Blue Cap

View certificate
Tesamorelin9.9

Date

7/23/2026

Purity

98.8%

Quantity

10 mg → 11 mg

Lab

Krause Analytical

View certificate
Tesamorelin9.9

Date

7/23/2026

Purity

99.2%

Quantity

10 mg → 10.9 mg

Lab

Krause Analytical

View certificate
Cagrilintide10.0

Date

7/23/2026

Purity

99.9%

Quantity

10 mg → 10.2 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Blue Cap

View certificate
Melanotan II10.0

Date

7/23/2026

Purity

99.9%

Quantity

10 mg → 9.97 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Yellow Cap

View certificate
PT-14110.0

Date

7/23/2026

Purity

99.9%

Quantity

10 mg → 10.5 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Green Cap

View certificate
BPC-15710.0

Date

7/22/2026

Purity

99.9%

Quantity

10 mg → 11.8 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Green Cap

View certificate
GHK-Cu10.0

Date

7/22/2026

Purity

99.6%

Quantity

100 mg → 119 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Clear Cap

View certificate
GHK-Cu10.0

Date

7/22/2026

Purity

99.6%

Quantity

100 mg → 117 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Clear Cap

View certificate
BPC-15710.0

Date

7/22/2026

Purity

99.9%

Quantity

10 mg → 10.4 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Green Cap

View certificate
Tirzepatide9.9

Date

7/22/2026

Purity

99.2%

Quantity

30 mg → 36 mg

Lab

Krause Analytical

Vial

No Label / Copper Crimp / Clear Cap

View certificate
Tirzepatide9.9

Date

7/22/2026

Purity

99.3%

Quantity

30 mg → 35.3 mg

Lab

Krause Analytical

Vial

No Label / Copper Crimp / Clear Cap

View certificate
Retatrutide10.0

Date

7/22/2026

Purity

99.9%

Quantity

60 mg → 63.9 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / White Cap

View certificate
Retatrutide10.0

Date

7/22/2026

Purity

99.9%

Quantity

60 mg → 64.9 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / White Cap

View certificate
Retatrutide10.0

Date

7/1/2026

Purity

99.9%

Quantity

30 mg → 26.9 mg

Lab

Krause Analytical

Vial

White label / Silver crimp / Pink cap

View certificate
BPC-15710.0

Date

6/8/2026

Purity

99.8%

Quantity

10 mg → 9.4 mg

Lab

BTLabs

Vial

No label / Silver crimp / Green cap

View certificate
TB-50010.0

Date

6/8/2026

Purity

99.7%

Quantity

10 mg → 11.2 mg

Lab

BTLabs

Vial

No label / Silver crimp / White cap

View certificate
Retatrutide10.0

Date

5/25/2026

Purity

99.8%

Quantity

30 mg → 31 mg

Lab

BTLabs

Vial

Silver label / Silver crimp / Black cap

View certificate
Retatrutide10.0

Date

5/6/2026

Purity

99.9%

Quantity

20 mg → 19.4 mg

Lab

Krause Analytical

Vial

No Label / Copper Crimp / Clear Cap

View certificate
TB-5009.8

Date

5/5/2026

Purity

98.5%

Quantity

5 mg → 5.06 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Blue Cap

View certificate
BPC-15710.0

Date

5/5/2026

Purity

99.9%

Quantity

10 mg → 10.5 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Blue Cap

View certificate
Tirzepatide10.0

Date

5/5/2026

Purity

99.9%

Quantity

30 mg → 29.5 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Black Cap

View certificate
Retatrutide10.0

Date

5/5/2026

Purity

99.9%

Quantity

10 mg → 10.4 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Green Cap

View certificate
Retatrutide10.0

Date

5/5/2026

Purity

99.9%

Quantity

10 mg → 9.81 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Green Cap

View certificate
Retatrutide10.0

Date

4/28/2026

Purity

99.9%

Quantity

30 mg → 27.2 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Pink Cap

View certificate
Tirzepatide10.0

Date

4/27/2026

Purity

99.7%

Quantity

15 mg → 21.4 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Blue Cap

View certificate
Retatrutide10.0

Date

4/23/2026

Purity

99.9%

Quantity

30 mg → 30.6 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Black Cap

View certificate
TB-5009.5

Date

4/23/2026

Purity

95.1%

Quantity

5 mg → 4.83 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / White Cap

View certificate
GHK-Cu10.0

Date

4/23/2026

Purity

99.9%

Quantity

100 mg → 132.4 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Clear Cap

View certificate
BPC-15710.0

Date

4/23/2026

Purity

99.9%

Quantity

10 mg → 9.13 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Blue Cap

View certificate
Retatrutide10.0

Date

3/29/2026

Purity

99.7%

Quantity

10 mg → 11.3 mg

Lab

BTLabs

Vial

Green Label / Silver Crimp / Green Cap

View certificate
Retatrutide10.0

Date

3/25/2026

Purity

99.9%

Quantity

20 mg → 21.4 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Violet Cap

View certificate
GHK-Cu10.0

Date

3/21/2026

Purity

99.7%

Quantity

50 mg → 53.6 mg

Lab

BTLabs

Vial

No Label / Copper Crimp / Clear Cap

View certificate
BPC-15710.0

Date

3/21/2026

Purity

99.8%

Quantity

10 mg → 12.1 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Green Cap

View certificate
Retatrutide10.0

Date

3/19/2026

Purity

99.9%

Quantity

10 mg → 10.1 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Green Cap

View certificate
Retatrutide10.0

Date

3/19/2026

Purity

99.9%

Quantity

30 mg → 29 mg

Lab

Krause Analytical

Vial

Black Label / Silver Crimp / Black Cap

View certificate
Retatrutide10.0

Date

3/18/2026

Purity

99.9%

Quantity

20 mg → 19.8 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Violet Cap

View certificate
Tirzepatide10.0

Date

3/13/2026

Purity

99.8%

Quantity

20 mg → 21.2 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Gray Cap

View certificate
Tirzepatide10.0

Date

3/6/2026

Purity

99.9%

Quantity

50 mg → 51.6 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Clear Yellow Cap

View certificate
Tirzepatide9.9

Date

3/3/2026

Purity

98.8%

Quantity

15 mg → 19.6 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Blue Cap

View certificate
Tesamorelin10.0

Date

3/2/2026

Purity

99.51%

Quantity

10 mg → 9.11 mg

Lab

Krause Analytical

Vial

Black Label / Silver Crimp / White Cap

View certificate
BPC-15710.0

Date

3/2/2026

Purity

99.9%

Quantity

10 mg → 10.1 mg

Lab

Krause Analytical

Vial

Black Label / Silver Crimp / Green Cap

View certificate
Retatrutide10.0

Date

3/2/2026

Purity

99.9%

Quantity

10 mg → 9.91 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Green Cap

View certificate
TB-50010.0

Date

3/2/2026

Purity

99.9%

Quantity

10 mg → 9.28 mg

Lab

Krause Analytical

Vial

Black Label / Silver Crimp / Red Cap

View certificate
Retatrutide10.0

Date

2/26/2026

Purity

99.9%

Quantity

10 mg → 9.88 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Green Cap

View certificate
GHK-Cu10.0

Date

2/26/2026

Purity

99.77%

Quantity

50 mg → 49.4 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / White Cap

View certificate
Tirzepatide9.9

Date

2/26/2026

Purity

99.02%

Quantity

40 mg → 39.8 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Red Cap

View certificate
Tirzepatide

Date

2/26/2026

Purity

Quantity

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Green Cap

View certificate
GHK-Cu10.0

Date

2/20/2026

Purity

99.9%

Quantity

50 mg → 57.4 mg

Lab

Krause Analytical

Vial

No Label / Copper Crimp / Clear Cap

View certificate
GHK-Cu10.0

Date

2/20/2026

Purity

99.81%

Quantity

50 mg → 55.7 mg

Lab

Krause Analytical

Vial

No Label / Copper Crimp / Clear Cap

View certificate
Tirzepatide10.0

Date

2/20/2026

Purity

99.75%

Quantity

50 mg → 47 mg

Lab

Krause Analytical

Vial

Green Label / Silver Crimp / Red Cap

View certificate
Tirzepatide10.0

Date

1/26/2026

Purity

99.9%

Quantity

50 mg → 57.2 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Clear Yellow Cap

View certificate
Tirzepatide10.0

Date

1/22/2026

Purity

99.8%

Quantity

40 mg → 42.4 mg

Lab

BTLabs

Vial

Silver Label / Silver Crimp / Green Cap

View certificate
Tirzepatide10.0

Date

1/22/2026

Purity

99.8%

Quantity

20 mg → 20.1 mg

Lab

BTLabs

Vial

White Label / Silver Crimp / Violet Cap

View certificate
Tirzepatide10.0

Date

1/22/2026

Purity

99.9%

Quantity

15 mg → 17.5 mg

Lab

BTLabs

Vial

Silver Label / Silver Crimp / Blue Cap

View certificate
Tirzepatide10.0

Date

1/22/2026

Purity

99.9%

Quantity

30 mg → 33.9 mg

Lab

BTLabs

Vial

Silver Label / Copper Crimp / Clear Cap

View certificate
BPC-1579.9

Date

1/22/2026

Purity

99.5%

Quantity

10 mg → 13.3 mg

Lab

BTLabs

Vial

Silver Label / Silver Crimp / Green Cap

View certificate
Tirzepatide10.0

Date

1/19/2026

Purity

99.95%

Quantity

30 mg → 33.5 mg

Lab

Krause Analytical

Vial

No Label / Copper Crimp / Clear Cap

View certificate
Tesamorelin10.0

Date

1/19/2026

Purity

99.95%

Quantity

2 mg → 2.1 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Yellow Cap

View certificate
Retatrutide10.0

Date

1/19/2026

Purity

99.95%

Quantity

15 mg → 15.7 mg

Lab

Krause Analytical

Vial

No Label / Copper Crimp / Clear Cap

View certificate
Tirzepatide10.0

Date

1/19/2026

Purity

99.83%

Quantity

15 mg → 15.8 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Clear Pink Cap

View certificate
Retatrutide10.0

Date

1/15/2026

Purity

99.8%

Quantity

20 mg → 21.2 mg

Lab

BTLabs

Vial

White Label / Copper Crimp / Clear Cap

View certificate
Tirzepatide10.0

Date

1/9/2026

Purity

99.95%

Quantity

30 mg → 28.2 mg

Lab

Krause Analytical

Vial

No Label / Copper Crimp / Clear Cap

View certificate
Tirzepatide10.0

Date

1/7/2026

Purity

99.9%

Quantity

60 mg → 67.1 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Blue Cap

View certificate
Retatrutide10.0

Date

1/7/2026

Purity

99.6%

Quantity

20 mg → 22.6 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Violet Cap

View certificate
Tirzepatide10.0

Date

1/7/2026

Purity

99.9%

Quantity

30 mg → 34.5 mg

Lab

BTLabs

Vial

White Label / Silver Crimp / Black Cap

View certificate
Retatrutide10.0

Date

1/7/2026

Purity

99.7%

Quantity

30 mg → 33 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Pink Cap

View certificate
Retatrutide10.0

Date

1/7/2026

Purity

99.6%

Quantity

20 mg → 20.8 mg

Lab

BTLabs

Vial

Gray Label / Silver Crimp / Violet Cap

View certificate
BPC-1579.9

Date

1/6/2026

Purity

99.07%

Quantity

10 mg → 10.1 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / White Cap

View certificate
Retatrutide10.0

Date

12/29/2025

Purity

99.95%

Quantity

5 mg → 4.98 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Blue Cap

View certificate
Tirzepatide9.9

Date

12/18/2025

Purity

99.5%

Quantity

10 mg → 11.6 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / White Cap

View certificate
Tirzepatide10.0

Date

12/18/2025

Purity

99.7%

Quantity

15 mg → 17.8 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Blue Cap

View certificate
Tirzepatide10.0

Date

12/17/2025

Purity

99.72%

Quantity

10 mg → 9.3 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Yellow Cap

View certificate
Retatrutide9.9

Date

12/16/2025

Purity

99.4%

Quantity

5 mg → 5.2 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Blue Cap

View certificate
Tirzepatide10.0

Date

12/11/2025

Purity

99.95%

Quantity

30 mg → 30.7 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Black Cap

View certificate

About Zenith Jove Peptide ZJ

https://glp1forum.com/threads/zj-latest-coa.7626/ https://www.tiktok.com/@zenith.jove

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