Opens in a new tab
Free shipping on orders $350+

Independent third-party testing

Certificates of Analysis (COAs)

Every batch is tested by Janoshik Analytical before it ships. Search by product name or batch number to find its COA. Each product’s current COA is also on its product page in the shop.

248COAs publishedCOAs published
>99%Average purity across published COAsAverage purity
100%Of batches tested before they shipBatches tested before shipping

Showing 141–145 of 248 COAs

Tested by Janoshik

CJC-1295 with DAC 12.5mg - DAC01

Purity & mass
99.07%Avg. purity
Avg. mass13.05 mg
Date tested2025-11-19
Certificate of analysisCOAView report
Tested by Janoshik

Ipamorelin 10mg – IPA03

Purity & mass
99.82%Avg. purity
Avg. mass11.72 mg
Date tested2025-12-11
Certificate of analysisCOAView report
Tested by Janoshik

BPC-157 5mg - BPC08

Purity & mass
99.83%Avg. purity
Avg. mass6.01 mg
Date tested2025-12-10
Certificate of analysisCOAView report
Tested by Janoshik

Semax 10mg - SEM02

Purity & mass
99.61%Avg. purity
Avg. mass11.7 mg
Date tested2025-12-11
Certificate of analysisCOAView report
Tested by Janoshik

hCG 7,000iu - HCG06

Purity & mass
8014 IUAvg. mass
Date tested2025-12-09
Certificate of analysisCOAView report

Looks like you're in the U.S

For the best experience, shop at the U.S. store. You'll get the right pricing, payment options, and fastest shipping.
Take me to Growth Guys US
Stay on Growth Guys Canada