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Purity · passBatch · 003Shop-provided sample

Follistatin × RC Peptides — Lab Test, May 2026

Tested · submitted by @Frank 👑 Legend
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
97.571%
Research grade purity only
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Test results

6 data points
Purity
97.571%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
1 mg
Tested qty
0.6 mg
Qty match
60% of labeled · -40%
0label125%
Batch / Lot
003
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

Independent HPLC purity analysis of Follistatin344 from RCpeptides, performed by Janoshik Labs on May 12, 2026. Reported purity: 97.571%. Net content: 0.6 mg against 1 mg labeled (60% of label). Tested content is 40% below the labeled amount. Batch 003. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
HPLC certificate of analysis for Follistatin344 1mg from RC Peptides showing 97.571% purity
Issued by Janoshik Labs · May 12, 2026 · Batch 003

Related lab tests

8 tests

The 6 other Follistatin tests on Peptigrity range from 97.67% to 99.80%. This one sits at 97.57%.

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