M5P0S03-4AM-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. Four positive reports were recorded. The vendor's certificate from Janoshik showed 99.8% purity, in line with other M-Peptide Science batches of this peptide. First seen more than three months ago.

7 related batch concerns · 7 mentions · summary from 9 sources · updated Sep 4

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Test Results

Vendor COAJanoshik23 Apr 2026

Purity

99.80%

Fill

53.550mg

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Related batches

5 of 5 tested

Group Tests

forming
closed
shipped
testing
complete

Getting a pulse on how many are getting the RT-50 M5P0S03-4A Green batch? I don’t see a group for this yet. Looking to join a group. I don’t have ti

MPS Telegram → Customer Testing

Updated 3 weeks ago

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Community Intelligence

Related activity — other batches

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

Also known as: M5P0S034A

Activity

Crispy Test Groupcoa posted1 month ago

MPS - Reta 50 - M5P0S03-4A (Green lid) - RESULTS -

GLP-1 Forumcoa posted1 month ago

Hi friends 🎉 MPS's only official website has completed testing and is now officially live: [https://m-mps.com](https://m-mps.com) Currently, it only supports the US. Friends in the US can quickly ...

MPS Telegramcoa posted1 month ago

Hi friends 🎉 MPS's only official website has completed testing and is now officially live: https://m-mps.com Currently, it only supports the US. Friends in the US can quickly and efficiently pla...

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MPS Telegramcoa posted1 month ago

🛍 MPS Flash Sale 🇺🇸 US warehouse ✨RT-15: $120/kit ☘️Batch:M1P5S03-6J Black https://janoshik.com/tests/198225-RT15_Black_GGA9AQWQEHTQ ✨RT-30: $205/kit ☘️Batch:M3P0S03-6J Purple https://janoshik.c...

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MPS Telegramcoa posted1 month ago

Hello all! The group test for the current batch of RT50: MPS - Reta 50 - M5P0S03-4A (Green cap) Has results finalized and is currently accepting payment for the next two weeks before the group wil...

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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 Testingbatch mention2 months ago

🧪🧪Current Group Tests 🧪🧪 Note: These are customer testing groups. What the group chooses to do with results is theirs to decide. Please reach out to the test lead if the test you're interested i...

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Vendor

M-Peptide Science