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Muscle Nerds Shop

Ranked #16 of 207 · USA · musclenerdsshop.com/product/reta-20

Very Good
9.0
Score / 10
Yes
COA available
Freedom Diagnostics – HPLC + MS – individual per batch (2503100002)
COA type
Medium
Forum presence

Our verdict: Genuine COA showing 99.

COA-verified rankings 207 suppliers reviewed Rankings never sold — how we test

Products: Retatrutide 20mg (R1P)

Our assessment

Genuine COA showing 99.87% purity, with a "Research1Peptides" vial and a dependable, well-presented setup.

Muscle Nerds Shop — 9.0/10 · Very Good · COA verified

Independent assessment based on public information and community reports. Not an endorsement; products are for laboratory research use only. Always verify a current per-batch COA before purchasing.

Community reviews

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