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Purity · passShop-provided sample

IGF-1 LR3 × Growth Guys — Lab Test, February 2026

LotIGF04look this batch up across every shop →
Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
98.498%
Excellent purity only
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Independent verification available

Janoshik Labs publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone.

This certificate carries no lookup code.

Test results

6 data points
Purity
98.498%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
1 mg
Tested qty
1 mg
Qty match
100% of labeled · +0%
Batch / Lot
IGF04
Tested by
Janoshik LabsView profile →

This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.

About this test

What’s in the vial

Label 1 mg · Lab measured 1 mg

100% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 250 mcg on both the label figure and the measured one.

One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.

Independent HPLC purity analysis of IGF-1 LR3 from growthguys.is, performed by Janoshik Labs on February 5, 2026. Reported purity: 98.498%. Net content: 1 mg against 1 mg labeled (100% of label). Batch IGF04. Sample source: shop-provided.

Certificate of analysis

Original document
JANOSHIK LABS · HPLC-UV/MSLAB-IGF04
SAMPLE
IGF-1 LR3
BATCH
IGF04
CLIENT
Growth Guys
DATE
FEB 05, 2026
METHOD
HPLC-UV/MS
COL.
C18 2.7μm
◆ AREA % = 98.498RT = 5.42 min
ACCEPT · MEETS SPEC
Issued by Janoshik Labs · Feb 05, 2026 · Batch IGF04

Other lots of IGF-1 LR3 from growthguys.is

LotTestedLabPurityvs labelStatus
IGF0327 Nov 2025Janoshik Labs98.509%118%Unverified

Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.

Related lab tests

8 tests

The 136 other IGF-1 LR3 tests on Peptigrity range from 90.02% to 99.99%. This one sits at 98.50%.

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