🇺🇸 USA Peptides · Tracked Delivery · >99% Purity

Buy Tirzepatide, Retatrutide & Research Peptides USA

New-U is the USA's lab-verified research-peptide source. Independently HPLC-tested at >99% purity (Janoshik & Freedom Diagnostics), 10 vials per pack, priced in USD, with discreet tracked US delivery and free delivery on US orders over $300. Tirzepatide, retatrutide, BPC-157, GHK-Cu, TB-500 and 40+ more peptides in stock for US researchers.

>99% purity, Janoshik-verified 10 vials per pack Free US delivery over $300 40+ peptides in stock
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Tracked US Delivery

Tracked, discreet domestic dispatch with cold-chain handling. Delivered nationwide across the United States.

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>99% Purity, Lab-Tested

Every batch independently verified by Janoshik Analytics or Freedom Diagnostics by HPLC with mass-spec confirmation and a batch-linked Certificate of Analysis.

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USD Pricing

Transparent prices in US dollars. US debit/credit cards (Visa, Mastercard, Amex) and crypto accepted. No hidden FX surprises at checkout.

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10 Vials Per Pack

A full research supply per order - not single vials. Direct-from-source pricing, no middleman markup.

How to Buy Peptides in the USA

Four steps from "where to buy peptides" to "tracked domestic parcel arriving in ~6–14 business days."

Choose a research peptide

Browse the US catalogue - 40+ peptides across metabolic, healing, skin, HGH, tanning and wellness research. Each product page lists the molecular weight, batch ID and downloadable COA.

Confirm the Certificate of Analysis

Every batch is HPLC-tested by Janoshik Analytics or Freedom Diagnostics. The COA shows identity, purity (>99%) and batch number - download it before you order, not after.

Check out in USD

Pay in US dollars with a debit/credit card (Visa, Mastercard, Amex) or cryptocurrency. Tracked US delivery is $25 flat, free on orders over $300.

Receive your tracked parcel

Orders dispatch within 24 hours. Most US parcels arrive in ~6–14 business days, discreetly packaged, cold-chain handled. Tracking by email + SMS.

Why US Researchers Trust New-U

Independent batch testing, direct-from-source supply, and 10-vial protocol packs at USD pricing - without the per-vial markup common at other US peptide suppliers.

Janoshik Analytics & Freedom DiagnosticsHPLC purity, mass-spec identity, batch ID on every COA. >99% purity is our minimum spec, not a marketing claim.
Direct-from-manufacturer supplySourced direct from our manufacturing partners - never re-labelled middleman stock. Lower per-vial cost, fewer hands on the product.
10 vials per packFull-protocol packs by default. Compare with US suppliers selling single 5mg vials at near-pack prices.
Cold-chain, discreet US dispatchLyophilised peptides are stable for tracked transit. Every US parcel ships in plain rigid packaging with cold-pack handling at the warehouse.

How New-U Compares to Other US Peptide Suppliers

An honest, observable comparison. Visit the supplier sites and check yourself before you order anywhere.

What US researchers ask New-U Research Compounds Typical US peptide retailer
Independent COA per batchIdentity, HPLC purity, mass-spec, batch ID Yes - Janoshik or Freedom Diagnostics on every product page Sometimes - generic, undated or supplier-self-tested
Minimum purity spec >99% by HPLC Often 97% or unspecified
Pack size 10 vials per pack (full protocol) 1 vial - protocol-length packs sold at near-individual prices
Pricing currency USD ($) for US visitors, FX shown Mixed - some checkout FX surprises
Tracked US delivery Yes, $25 flat · free over $300 Varies - some untracked or signature-only
Crypto payment BTC · ETH · USDT · USDC Some - limited rails
Tirzepatide & retatrutide in stock Yes - 5mg / 10mg / 20mg vials Limited stock or out of stock
Domestic US dispatch Tracked carrier, discreet rigid packaging Varies

US Delivery & Payment

Fast, tracked and discreet - the way US researchers expect to buy peptides.

Tracked US shippingOrders dispatched on a tracked domestic US service. Plain, discreet packaging with cold-chain handling at the warehouse.
$25 flat · free over $300Flat $25 tracked US delivery, or free delivery on US orders over $300. Worldwide shipping also available.
Pay in USDPrices shown in US dollars for US visitors. Debit/credit cards (Visa · Mastercard · Amex) and cryptocurrency (BTC · ETH · USDT · USDC) accepted.
Research-use onlyAll peptides are supplied strictly for laboratory and research purposes. Not for human consumption. 21+ only.
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Buying Peptides in the USA - FAQ

The questions US researchers ask most before ordering peptides online.

What are peptides?

Peptides are short chains of amino acids - the same building blocks that make up proteins, just shorter. In research, peptides such as BPC-157, TB-500, GHK-Cu, tirzepatide and retatrutide are studied as signalling molecules across healing, metabolic, dermal and growth-hormone research. New-U supplies these strictly as research compounds for laboratory and research use only - not for human consumption.

What is GLP-1?

GLP-1 (glucagon-like peptide-1) is an incretin peptide widely studied in metabolic research. The GLP-1 research family New-U stocks includes our GLP-1 RC-S compound, tirzepatide (a dual GLP-1/GIP receptor agonist) and retatrutide (a triple GLP-1/GIP/glucagon agonist in late-stage clinical research). All are supplied as research compounds for laboratory use only. Compare the GLP-1 RC family →

Are peptides safe?

New-U peptides are supplied strictly as research compounds for laboratory and research use only - not for human consumption - so "safe" here means lab-grade quality and identity, not human-use safety. Every batch is independently verified by Janoshik Analytics or Freedom Diagnostics at >99% purity by HPLC with mass-spec confirmation and a batch-linked Certificate of Analysis, so researchers know exactly what is in each vial.

Are peptides steroids?

No. Peptides are short amino-acid chains; anabolic steroids are synthetic derivatives of testosterone, a steroid hormone. They are chemically and pharmacologically different classes. The research peptides New-U supplies - BPC-157, TB-500, GHK-Cu, tirzepatide, retatrutide and others - are not steroids and are sold only as research compounds for laboratory use.

Are peptides legal in the USA?

Research peptides are legal to buy and possess in the United States when supplied strictly for laboratory and research use. They are not approved as drugs for human use, which is why every New-U vial ships labelled "for laboratory and research use only - not for human use." They are not sold or marketed for human consumption. See our guide on how to buy research peptides.

How do you reconstitute peptides?

Lyophilised (freeze-dried) research peptides are reconstituted by adding bacteriostatic or sterile water to the vial. The volume is calculated from the desired concentration: volume = mass / concentration. Our reconstitution guide walks through the math and handling steps. Reconstitution is a laboratory procedure; New-U peptides are for research use only, not for human use.

Is Ozempic a peptide?

Semaglutide - the molecule in the branded medicine Ozempic - is a GLP-1 receptor agonist peptide. New-U does not sell branded medicines; we supply GLP-1-family research compounds such as our GLP-1 RC-S, tirzepatide and retatrutide strictly for laboratory and research use only, not for human consumption.

Where can I buy tirzepatide and retatrutide in the USA?

Tirzepatide (dual GLP-1/GIP agonist) and retatrutide (triple GLP-1/GIP/glucagon agonist in late-stage clinical research) are both stocked by New-U as research compounds for US researchers, in vials lab-verified at >99% purity by HPLC with a batch-linked COA, USD pricing and tracked domestic US delivery. They are supplied for laboratory and research use only. View the shop →

Are your peptides lab-tested? Do you provide a Certificate of Analysis?

Yes. Every batch is independently verified by Janoshik Analytics or Freedom Diagnostics at >99% purity by HPLC, with mass-spec identity confirmation and a batch-linked Certificate of Analysis (COA) downloadable from the product page. Peptides are supplied for laboratory and research use only.

Can I pay in USD / US dollars?

Yes. Prices display in US dollars ($) for US visitors and we accept US debit/credit cards (Visa, Mastercard, Amex) plus cryptocurrency (BTC, ETH, USDT, USDC). EUR and GBP are also supported at checkout.

Ready to order peptides in the USA?

Lab-verified, USD-priced, tracked US delivery. Free US delivery over $300. Tirzepatide, retatrutide, BPC-157, GHK-Cu, TB-500 and 40+ peptides in stock.