Research-Grade · 99% HPLC · United States

Smarter peptides.Better outcomes.

99% HPLC-verified. Third-party tested. Shipped from the US.

01Catalogue

Best Selling Peptides.

Eight references in stock by default. Every batch ships with a matching Certificate of Analysis keyed to its lot number.

● Best seller
Immune-Modulating Peptides
Thymalin
$42.99
HPLC · 99% verified · Same-day ship
Longevity Research Peptides
NAD+ (Nicotinamide Adenine Dinucleotide)
$49.99 – $189.99
Longevity Research Peptides
Epithalon
$49.99 – $84.99
Mitochondrial Peptides
MOTS-C
$59.99
Cognitive & Nootropic Peptides
DSIP
$44.99
Cognitive & Nootropic Peptides
Semax
$20.00 – $54.99
Cognitive & Nootropic Peptides
Selank
$39.99
Copper Peptide Complexes
GHK-CU
$54.99

— Why PeptiNow

99%+ HPLC purity
Every batch reverse-phase HPLC verified; third-party reports by Janoshik Analytical.
See lab reports
Lot-traceable COA
Certificate of Analysis ships with every order. Look up any lot by its number anytime.
Browse the COA library
Reconstitution calculator
Plan BAC water volume + syringe units before the package arrives. Free, no signup.
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US-only · USPS Priority
Shipped within 1–2 business days from a US facility. Tracked, insured, signature-free.
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— First order

We email a single code, no follow-ups. Use it at checkout.