M1P5S03-1JM-Peptide Science Retatrutide

Vendor COA

M-Peptide Science | Retatrutide, last activity 3 weeks ago

Independent testVendor COA

A community group test of this batch is complete. The vendor's Janoshik certificate reports 99.82% purity and 16.37 mg measured fill, in line with M-Peptide Science's other retatrutide batches. No independent test has been submitted. First seen more than three months ago.

4 test requests · 7 related batch concerns · 7 mentions · summary from 8 sources · updated Sep 4

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Test Results

Vendor COAJanoshik9 Feb 2026

Purity

99.82%

Fill

16.370mg

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Related batches

5 of 5 tested

Community Intelligence

About this batch
  • 4 test requests
Related activity — other batches

Reported against other M-Peptide Science Retatrutide batches, not this one.

Also known as: M1P5S031JM1P5S03-1J

Activity

Flying Purple Pep Guildtest request3 weeks ago

RESULTS IN:MPS R15 RT-15 M1P5S03-1J (Black Cap)

MPS Telegram → Test Resultscoa posted1 month ago

☘️T-60 M6P0S01-6J Yellow [https://janoshik.com/tests/198223-T60_Yellow_6A8LKPCW5ELV](https://janoshik.com/tests/198223-T60_Yellow_6A8LKPCW5ELV) M6P0S01-4A Yellow [https://janoshik.com/tests/150549-T6...

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MPS Telegram → Customer Testingtest request2 months ago

Did anyone purchase RT15 batch M1P5S03-1J in May that would like to test mass/purity and endotoxins at ILS Labs? It’s only $180 for both tests, and shipping will add like $15-30 on top of that. This b...

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MPS Telegram → Test Resultscoa posted2 months ago

☘️RT-15 M1P5S03-2F Black https://janoshik.com/tests/108421-RT15_Black_I4B7PNUCM8RW M1P5S03-1J Black https://verify.janoshik.com/tests/106352-RT15_Black_8TXUTN87BZW1 ☘️RT-20 M2P0S03-2F Blue https:...

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MPS Telegram → Customer Testingtest request2 months ago

Hi G would you also mind sharing the group test results with me for M1P5S03-1J

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MPS Telegram → Customer Testingtest request3 months ago

I placed an order about a week ago, and somehow I received batch number Rt15 M1P5S03-1J I am pretty sure the group testing for this is over but is there a way i can get the results?

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Flying Purple Pep Guild → Group Test Invites - No Discussioncoa posted3 months ago

Looking for MPS ELSA Reta 15 test group USA BATCH 🇺🇸 MPS US warehouse 🛍 Flash Sale ✨RT-15: $120/kit ☘️Batch:M1P5S03-2F Black [https://janoshik.com/tests/108421-RT15_Black_I4B7PNUCM8RW](https:/...

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Vendor

M-Peptide Science