Please note we will have some temporary outages affecting checkout via Credit/Debit. We hope to have this resolved by August.
Thank you for your patience and understanding.

Lab Results

Current results can also be viewed from the product's page, which you can find in the shop.
Janoshik Lab

Lab Result: GHK-Cu 70mg
GHK07

Avg. purity

99.94%

Avg. mass:

66.32 mg

Result Date

20260330

Date added

20260330
View full report
White-capped GHK Cu 70mg research peptide vial by Growth Guys
Janoshik Lab

Lab Result: 5-Amino-1MQ 10mg
5AM02

Avg. mass:

10.36 mg

Result Date

20260204

Date added

20260330
View full report
Growth Guys 5-Amino-1Mq 10mg vial, 99.86% purity Janoshik tested research peptide
Janoshik Lab

Lab Result: BPC-157 10mg
BPC09

Avg. purity

99.89%

Avg. mass:

12.23 mg

Result Date

20260324

Date added

20260324
View full report
Growth Guys BPC 157 10mg purple vial for laboratory research
Janoshik Lab

Lab Result: TB-500 5mg
TB07

Avg. purity

99.742%

Avg. mass:

5.87 mg

Result Date

January 15, 2026

Date added

March 24, 2026
View full report
Growth Guys TB-500 5mg research peptide vial with Purple cap
Janoshik Lab

Lab Result: Retatrutide 20mg
RET17

Avg. purity

99.75%

Avg. mass:

20.93 mg

Result Date

20260115

Date added

20260324
View full report
Close-up of a 20mg Retatrutide peptide vial showing the clear glass and Purple flip-top cap

Historical lab results

Find test results from previous batches of Growth Guys products.
No products found.
Visit shop
Clear vial

Get 10% off on your first order

Subscribe for your welcome discount and priority alerts to restocks, discounts and limited releases.
No spams, no clutter. Just the good stuff.