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$25 welcome credit when you create an account Free bac water at $200+Free 2-day shipping at $250+Free vial from our picks at $350+Free vial up to $120 at $500+

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Every lot testedIndependent lab report, published
Ships same dayFrom California, before 1 PM PT
Wrong item? On usReplaced at our cost
Running now for members
  • Free bac water on orders $200+ Added to your cart by itself.
  • Free 2-day shipping on orders $250+ US and Canada.
  • Free vial from our picks on orders $350+ Choose it in your cart.
  • Free vial up to $120 on orders $500+ Choose it in your cart (takes the place of the $350 pick).
  • Coming up Double lab credits weekend: every order earns 10% back Nov 13 – Nov 16.
No codes needed. Stacks with bulk pricing.
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Research peptides · Since 2024

Know what's in the vial before it ships.

For research labs and researchers. Every lot is tested by an independent US lab before we release it, and the report is public. Stocked in California, shipped the same day, with a real person on the other end of your email.

Free. About 30 seconds. $25 welcome credit on your first order of $150+. For labs and researchers 21 and over. By continuing with Google, you agree to get Coastal emails. Unsubscribe anytime.

Every lot testedIndependent lab report, published
Ships same dayFrom California, before 1 PM PT
Wrong item? On usReplaced at our cost

What researchers say about us on Peptigrity

Reviews and lab reports on Peptigrity come from buyers and labs. We can’t edit or remove them.

Read every review

Your account

What you get with a free account

We work with research labs and researchers 21 and over. A free account confirms that, and it takes about 30 seconds.

Create your free account
  • Lab reports with every productEach product shows the lot we’re shipping and the report behind it.
  • $25 welcome credit on your first order of $150+Ready the moment you sign up. It comes off by itself at checkout, no code needed.
  • Volume pricing, built inThe more you order, the less each vial costs. No code needed.
  • Your benchReorder, track orders and earn lab credits, all in one place.

Working with Coastal

What happens after you click buy.

An order placed before the cutoff on a Tuesday. This is the whole story, every time.

  1. 11:40 AMYou orderThe product page already shows the lot we’re shipping and its lab report. You know what’s coming before it ships.
  2. SAME DAYIt shipsOrdered before the 1 PM PT cutoff, so it’s packed and out the door from California today, with tracking in your inbox and on your bench.
  3. ~2 BUSINESS DAYSIt arrivesMost orders arrive in about two business days. Add optional shipping protection at checkout and lost, stolen or damaged packages are covered.
  4. ANY TIMEA person answersQuestions, mix-ups, anything that looks off. The people who run the company reply, usually within hours.
Your welcome credit stacks with bulk pricing. Order more and the per-vial price drops on its own, with your welcome credit on top. No codes to remember: savings apply by themselves, and every order earns lab credits.
Create your free account
Enter the lot code from the label to open its report.

What people ask before a first order

All questions
How do I know the vial I get matches the report?

The lot code on your label is the lot code on the report. Scan the QR or type the code and you land on that exact lot’s record.

What if something arrives wrong?

Send a photo of the label and your order number. If we shipped the wrong item, the correct one goes out at our cost.

How fast does it ship?

Orders placed before 1 PM PT, Monday to Saturday, ship the same day. Most arrive in about two business days.

Why do I need an account?

We work with research labs and researchers 21 and over, and an account confirms that. It takes about 30 seconds.