Questions, answered.

Laboratory research only. They are not drugs, foods or cosmetics, and are not for human or animal use of any kind.

Yes. Every lot is third-party tested before it ships, and that lot’s certificate goes in the box. Match the lot number on your vial to our certificates page.

HPLC, with mass spectrometry confirming identity. Each certificate lists the methods and results. Need the raw data? Ask us.

Bacteriostatic water with 0.9% benzyl alcohol, in a 10 ml glass or 30 ml Hospira plastic vial. Our peptides ship as freeze-dried powder, so a diluent brings them back into solution.

We carry one lot at a time. An out-of-stock size can be pre-ordered. It ships once the next lot passes testing, and we email you the date. Cancel any time before it ships.

Yes. You can create one at checkout, and your orders, lot numbers and tracking stay in My Account.

Visa, Mastercard, Amex, Discover, Apple Pay, Google Pay, bank payment or crypto. Every option is shown at checkout.

Yes. We never see or store your card or bank details. Payments are handled by the processor over an encrypted connection.

Automatically: 3% off two vials, 7% off three or more, and a free diluent at $100+. No code needed. Buying in volume? Email us.

Yes. Sealed 10-vial boxes, one compound, one lot, up to 40% under singles. Shop the kits.

All October: buy 2 vials, get a free treat vial, up to 5 per order. Treats land in your cart by themselves and you can swap them there. No code. Offer terms.

Within 24 hours, for any reason. A pre-order, any time before it ships. Cancel in My Orders or email us.

In stock leaves in 1 business day (kits 1–2). Pre-orders usually leave in 3–5 business days, and we email you the date. Then USPS: Standard 2–3 days, Priority 1–2, Express 1–2 guaranteed. Free over $75.

We send it all together once everything is ready. Want the in-stock part first? Email us before it ships.

A plain padded mailer. Nothing on the outside but the addresses.

Not yet. We ship within the United States only.

Usually not — it can take a day after the label prints. No movement after three business days? Send us your order number.

Sealed, at −20°C, away from light.

No. Freeze-dried powder is stable in transit. Move it to −20°C when it arrives.

No. They are research-grade materials, not sterile pharmaceutical products. Where a lot was screened for endotoxin, the result is on its certificate.

We can answer questions on specs, purity, solubility and storage. We can’t advise on experimental design or any use.

Researchers and institutions aged 21 or over, for lawful research use. See our Research Use Policy.

It records the research context of your order. It is never shared for marketing.

Email us within 7 days of delivery with your order number and a photo. We replace or refund it.

Not for a change of mind once the cancel window has passed. Anything damaged, wrong or missing is replaced. Refund policy.

Only what we need to ship and support your order. We never sell it. Privacy Policy.