★★★★★ Trusted by happy customers
Free shipping over $150
Research grade
Peptides researchers actually trust.
HPLC + mass-spec verified. Certificate of Analysis on every batch. Cold-chain shipped from Salt Lake City, usually out the door same day.
- COA on every batch
- HPLC + mass-spec verified
- Cold-chain USPS Priority
- Ships from Utah · same day
New lot just landed
Fresh peptide lots, tested and shelved.
Each new lot is independently assayed before it hits inventory. Pull the COA from the product page — we publish purity, peak chromatograms, and dispatch date.
See newest lots → →★★★★★
"Purity numbers on the COA matched the third-party assay I ran in lab. Lyophilized cleanly, shipped cold, packaging was on point. This is now my default vendor."
★★★★★
"Vial integrity was perfect, ice pack was still solid when it arrived in Phoenix. COA was already in my inbox before I opened the box."
— K. Reyes, repeat buyer
★★★★★
"Customer service answered a reconstitution question within the hour. Refreshing to talk to someone who actually knows the chemistry."
— A. Thorne, verified buyer
★★★★☆
"Shipping was fast and the product matched the assay. Knocked one star because tracking notification was a few hours late — minor."
— J. Whitaker, verified buyer
Why Peptide Utah
Sourcing peptides shouldn't feel like guesswork.
Peptide Utah is a small, Salt Lake City–based supplier built for researchers, compounding partners, and lab teams who need lot-level traceability. We third-party assay every lot before it ships and publish the full Certificate of Analysis on the product page.
No mystery vials, no "trust us" sourcing, no white-label resellers in the middle. Just clean lyophilized peptide, the COA that proves it, and a cold pack that's actually still cold when it lands on your bench.
No. 01
Third-party assayed
HPLC purity + mass spec confirmation on every lot. COA linked from each product page.
No. 02
Cold-chain dispatch
Vials shipped with ice packs in insulated mailers, USPS Priority, same-day cutoff at 2pm MT.
No. 03
U.S. fulfillment
Picked, packed, and shipped from Salt Lake City — no overseas relay, no customs delay.
No. Every product sold by Peptide Utah is for in-vitro laboratory and research use only — not for human consumption, diagnostic, or therapeutic use.
A direct link to the lot-specific Certificate of Analysis is on each product page, right under the price. We publish HPLC purity, mass spec confirmation, and the dispatch date.
Orders placed before 2pm Mountain Time ship the same business day via USPS Priority, packed cold. Tracking lands in your inbox the moment the label prints.
Currently U.S. only. International cold-chain logistics aren't something we're willing to compromise on, so for now we keep it domestic.
14 days for unopened, undamaged vials. Anything that arrives compromised — broken seal, broken cold chain — we replace, no questions asked.
Lyophilized peptide: long-term at -20°C, short-term refrigerated. Reconstituted: refrigerated, generally good for 2–4 weeks depending on the molecule. See the COA for the molecule-specific guidance.