The Assay.
Golden sunrise over a calm ocean horizon

The peptide era, decoded

The biggest shift in wellness is molecular.

Peptides went from research labs to everyone’s group chat. The Assay gets you fluent: the landmark numbers, the honest gaps, and verified material when you’re ready.

The latest

The field, reviewed

all science reviews →

Before you buy anything, anywhere

Short reads that make you the hardest customer in the market to fool, ours included. Browse everything →

What verification actually looks like

Not a badge on a product page. A chain you can follow.

Every Merit lot leaves a documented trail: from the sealed batch, through the instruments, onto a signed certificate, into an open library matched to the number on the vial in your hand.

The lot

a sealed, numbered batch

The assay

HPLC purity · MS identity

The certificate

signed, lot-specific

The library

open: match your vial

Don’t take a purity claim on faith. We publish ours.

For research use only · Not for human or veterinary use · No research compound discussed here is FDA-approved for any indication

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