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PeptiSlim

PeptiSlim reviews

71 independent lab tests across 6 products · 99.5% average purity

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  • 71 HPLC samples across 6 products
  • Catalog avg purity 99.5%
  • www.elitepeptide66.com/ https://www.facebook.com/profile.php?id=61575936608341#
  • Independent testing, no pay-to-rank

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What the testing shows

Across 70 measured samples from PeptiSlim, 15 came in more than 5% under the quantity on the label (21%). Another 30 measured more than 5% over. Purity across 70 readings ran from 98.19% to 99.95%, median 99.8%. Samples span Aug 2025 to Jul 2026.

Under label
15/70

more than 5% short

Median purity
99.8%

98.19%–99.95% range

Latest sample
Jul 2026

first tested Aug 2025

Ships from
United States

per vendor listing

Lab testing results

Independent results across 6 products.

71
Total lab tests
99.5%
Avg purity
99.9%
Best score
98.2%
Worst score

Tested products

Individual lab tests

Tirzepatide10.0

Date

7/21/2026

Purity

99.9%

Quantity

10 mg → 9.94 mg

Lab

Krause Analytical

Vial

Silver label / Silver crimp / Clear Green cap

View certificate
Tirzepatide10.0

Date

7/21/2026

Purity

99.9%

Quantity

10 mg → 9.26 mg

Lab

Krause Analytical

View certificate
Tesamorelin9.8

Date

7/14/2026

Purity

98.2%

Quantity

5 mg → 4.62 mg

Lab

Krause Analytical

Vial

Silver label / Silver crimp / White cap

View certificate
Tirzepatide10.0

Date

6/26/2026

Purity

99.8%

Quantity

20 mg → 22.1 mg

Lab

BTLabs

View certificate
Tirzepatide10.0

Date

6/26/2026

Purity

99.9%

Quantity

40 mg → 37.8 mg

Lab

Krause Analytical

Vial

White label / Silver crimp / Green cap

View certificate
Tirzepatide10.0

Date

6/26/2026

Purity

99.9%

Quantity

60 mg → 58.3 mg

Lab

Krause Analytical

Vial

White label / Copper crimp / Clear cap

View certificate
Tirzepatide10.0

Date

6/26/2026

Purity

99.9%

Quantity

50 mg → 48.8 mg

Lab

Krause Analytical

Vial

White label / Silver crimp / Clear Yellow cap

View certificate
Tirzepatide10.0

Date

6/26/2026

Purity

99.9%

Quantity

30 mg → 29.1 mg

Lab

Krause Analytical

Vial

White label / Silver crimp / Green cap

View certificate
Tirzepatide10.0

Date

6/23/2026

Purity

99.8%

Quantity

10 mg → 9.57 mg

Lab

Krause Analytical

Vial

White label / Silver crimp / Clear Green cap

View certificate
Tirzepatide10.0

Date

6/22/2026

Purity

99.9%

Quantity

10 mg → 9.53 mg

Lab

Krause Analytical

Vial

White label / Silver crimp / Clear Green cap

View certificate
Retatrutide10.0

Date

6/17/2026

Purity

99.8%

Quantity

10 mg → 9.8 mg

Lab

BTLabs

Vial

Pink label / Silver crimp / White cap

View certificate
Tirzepatide10.0

Date

6/17/2026

Purity

99.8%

Quantity

20 mg → 17.7 mg

Lab

BTLabs

Vial

White label / Silver crimp / Violet cap

View certificate
Tirzepatide10.0

Date

6/17/2026

Purity

99.8%

Quantity

30 mg → 35.6 mg

Lab

BTLabs

Vial

Black label / Silver crimp / White cap

View certificate
Tirzepatide10.0

Date

6/17/2026

Purity

99.7%

Quantity

20 mg → 26.3 mg

Lab

BTLabs

Vial

White label / Silver crimp / Violet cap

View certificate
Retatrutide10.0

Date

6/12/2026

Purity

99.9%

Quantity

20 mg → 19.6 mg

Lab

Krause Analytical

Vial

Purple label / Silver crimp / Black cap

View certificate
Retatrutide10.0

Date

6/12/2026

Purity

99.9%

Quantity

60 mg → 60.6 mg

Lab

Krause Analytical

Vial

No label / Silver crimp / Clear cap

View certificate
GHK-Cu10.0

Date

4/23/2026

Purity

99.8%

Quantity

99.99 mg → 103.3 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Blue Cap

View certificate
Tirzepatide10.0

Date

3/25/2026

Purity

99.7%

Quantity

5 mg → 5.3 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Blue Cap

View certificate
Semaglutide10.0

Date

3/25/2026

Purity

99.9%

Quantity

10 mg → 12.1 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / White Cap

View certificate
Tirzepatide10.0

Date

3/16/2026

Purity

99.9%

Quantity

10 mg → 10.6 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Clear Green Cap

View certificate
GHK-Cu10.0

Date

3/10/2026

Purity

99.9%

Quantity

100 mg → 81.1 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Blue Cap

View certificate
Retatrutide10.0

Date

3/7/2026

Purity

99.9%

Quantity

60 mg → 67.8 mg

Lab

BTLabs

Vial

No Label / Copper Crimp / Clear Cap

View certificate
Cagrilintide10.0

Date

3/7/2026

Purity

99.9%

Quantity

10 mg → 11.7 mg

Lab

BTLabs

Vial

No Label / Copper Crimp / Clear Cap

View certificate
Retatrutide10.0

Date

3/6/2026

Purity

99.9%

Quantity

10 mg → 11 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Clear Blue Cap

View certificate
Tirzepatide9.9

Date

3/4/2026

Purity

99.15%

Quantity

15 mg → 15.7 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Pink Cap

View certificate
Tirzepatide10.0

Date

3/4/2026

Purity

99.85%

Quantity

30 mg → 30.2 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Pink Cap

View certificate
Retatrutide10.0

Date

3/3/2026

Purity

99.9%

Quantity

30 mg → 31.5 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Blue Cap

View certificate
Tirzepatide10.0

Date

2/26/2026

Purity

99.9%

Quantity

50 mg → 54.2 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Clear Yellow Cap

View certificate
Retatrutide10.0

Date

2/26/2026

Purity

99.9%

Quantity

20 mg → 19.3 mg

Lab

Krause Analytical

Vial

White Label / Gold Crimp / Clear Cap

View certificate
GHK-Cu10.0

Date

2/22/2026

Purity

99.9%

Quantity

50 mg → 54.8 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Violet Cap

View certificate
Tirzepatide10.0

Date

2/20/2026

Purity

99.88%

Quantity

10 mg → 14 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Yellow Cap

View certificate
Retatrutide10.0

Date

2/20/2026

Purity

99.76%

Quantity

5 mg → 4.46 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Blue Cap

View certificate
GHK-Cu10.0

Date

2/19/2026

Purity

99.9%

Quantity

50 mg → 43.4 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / White Cap

View certificate
Tesamorelin9.9

Date

2/18/2026

Purity

99.31%

Quantity

10 mg → 11.4 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Black Cap

View certificate
Retatrutide9.9

Date

2/18/2026

Purity

99.02%

Quantity

60 mg → 57.9 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Violet Cap

View certificate
Retatrutide10.0

Date

2/18/2026

Purity

99.9%

Quantity

30 mg → 28.3 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Blue Cap

View certificate
Tirzepatide10.0

Date

2/18/2026

Purity

99.63%

Quantity

60 mg → 63.8 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Orange Cap

View certificate
Retatrutide10.0

Date

2/10/2026

Purity

99.9%

Quantity

60 mg → 62 mg

Lab

BTLabs

Vial

White Label / Silver Crimp / Yellow Cap

View certificate
Tesamorelin10.0

Date

2/10/2026

Purity

99.6%

Quantity

10 mg → 11.2 mg

Lab

BTLabs

Vial

White Label / Silver Crimp / Black Cap

View certificate
Semaglutide10.0

Date

2/4/2026

Purity

99.8%

Quantity

30 mg → 32.8 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Green Cap

View certificate
GHK-Cu9.9

Date

2/4/2026

Purity

98.9%

Quantity

100 mg → 120.8 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Red Cap

View certificate
Retatrutide10.0

Date

1/26/2026

Purity

99.8%

Quantity

60 mg → 71.7 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Clear Yellow Cap

View certificate
Retatrutide10.0

Date

1/26/2026

Purity

99.7%

Quantity

30 mg → 36.4 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Blue Cap

View certificate
Retatrutide10.0

Date

1/26/2026

Purity

99.7%

Quantity

60 mg → 66.5 mg

Lab

Krause Analytical

Vial

Silver Label / Silver Crimp / Yellow Cap

View certificate
GHK-Cu10.0

Date

1/26/2026

Purity

99.9%

Quantity

100 mg → 109 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Red Cap

View certificate
Retatrutide10.0

Date

1/26/2026

Purity

99.7%

Quantity

20 mg → 21 mg

Lab

Krause Analytical

Vial

White Label / Silver Crimp / Violet Cap

View certificate
Retatrutide10.0

Date

1/19/2026

Purity

99.95%

Quantity

30 mg → 27.6 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Pink Cap

View certificate
Semaglutide9.8

Date

1/15/2026

Purity

98.19%

Quantity

20 mg → 8.09 mg

Lab

Krause Analytical

Vial

Pink Label / Silver Crimp / White Cap

View certificate
Tirzepatide10.0

Date

1/15/2026

Purity

99.9%

Quantity

30 mg → 34 mg

Lab

BTLabs

Vial

White Label / Silver Crimp / Black Cap

View certificate
Tirzepatide10.0

Date

1/15/2026

Purity

99.8%

Quantity

60 mg → 51.7 mg

Lab

BTLabs

Vial

White Label / Copper Crimp / Clear Cap

View certificate
Tirzepatide10.0

Date

1/15/2026

Purity

99.8%

Quantity

20 mg → 21.9 mg

Lab

BTLabs

Vial

White Label / Silver Crimp / Violet Cap

View certificate
Tirzepatide10.0

Date

1/9/2026

Purity

99.95%

Quantity

60 mg → 63.7 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Orange Cap

View certificate
Cagrilintide9.9

Date

1/6/2026

Purity

98.71%

Quantity

5 mg → 5.45 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Clear Cap

View certificate
Semaglutide10.0

Date

1/6/2026

Purity

99.7%

Quantity

5 mg → 5.45 mg

Lab

Krause Analytical

Vial

Pink Label / Silver Crimp / White Cap

View certificate
Tirzepatide10.0

Date

12/29/2025

Purity

99.95%

Quantity

30 mg → 30 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Black Cap

View certificate
Retatrutide10.0

Date

12/16/2025

Purity

99.6%

Quantity

10 mg → 9.4 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Clear Blue Cap

View certificate
Retatrutide10.0

Date

12/16/2025

Purity

99.6%

Quantity

10 mg → 10.2 mg

Lab

BTLabs

Vial

No Label / Silver Crimp / Yellow Cap

View certificate
Tirzepatide10.0

Date

11/23/2025

Purity

99.598%

Quantity

30 mg → 33.06 mg

Lab

Chromate

Vial

Silver Label / Silver Crimp / Pink Cap

View certificate
Tirzepatide

Date

11/17/2025

Purity

Quantity

Lab

Krause Analytical

Vial

Silver Label / Copper Crimp / Clear Cap

View certificate
Retatrutide10.0

Date

11/17/2025

Purity

99.7%

Quantity

30 mg → 28.4 mg

Lab

Krause Analytical

Vial

Silver Label / Silver Crimp / Pink Cap

View certificate
Retatrutide10.0

Date

11/17/2025

Purity

99.52%

Quantity

20 mg → 20.4 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Violet Cap

View certificate
Retatrutide10.0

Date

11/4/2025

Purity

99.95%

Quantity

10 mg → 10.9 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Yellow Cap

View certificate
Retatrutide10.0

Date

11/4/2025

Purity

99.75%

Quantity

60 mg → 35.9 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / White Cap

View certificate
Retatrutide10.0

Date

11/4/2025

Purity

99.8%

Quantity

10 mg → 11.3 mg

Lab

BTLabs

Vial

Silver Label / Silver Crimp / Clear Blue Cap

View certificate
Tesamorelin9.8

Date

11/4/2025

Purity

98.4%

Quantity

10 mg → 10.5 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / White Cap

View certificate
Tirzepatide10.0

Date

10/29/2025

Purity

99.89%

Quantity

30 mg → 26.5 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Pink Cap

View certificate
Retatrutide10.0

Date

10/24/2025

Purity

99.6%

Quantity

10 mg → 9.9 mg

Lab

BTLabs

Vial

No Label / Copper Crimp / Clear Blue Cap

View certificate
Retatrutide9.9

Date

10/5/2025

Purity

99.48%

Quantity

5 mg → 5.19 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Black Cap

View certificate
Tirzepatide10.0

Date

10/3/2025

Purity

99.86%

Quantity

10 mg → 10.5 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Clear Green Cap

View certificate
Retatrutide10.0

Date

9/1/2025

Purity

99.9%

Quantity

30 mg → 31.86 mg

Lab

Freedom Diagnostics

Vial

No Label / Silver Crimp / Clear Cap

View certificate
Tirzepatide10.0

Date

8/28/2025

Purity

99.93%

Quantity

40 mg → 38.9 mg

Lab

Krause Analytical

Vial

No Label / Silver Crimp / Green Cap

View certificate

About PeptiSlim

Finnrick has tested 71 samples from PeptiSlim across 6 products.

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