Peptides Built for
Serious Research
Lyophilized research peptides and blends for laboratory use. Orders placed by 12:00 PM MT ship the same day by tracked USPS Priority Mail.
Top Research Peptides
Our most ordered research peptides, lyophilized and ready for reconstitution.
Earn points on every order
Get 2 points for every $1 you spend and turn them into money off future orders. Free to join, nothing to sign up for separately.
100 pts = $5 off · 250 = $10 · 750 = $40
Your points, your discount
- 100 pts$5 offorders $50+
- 250 pts$10 offorders $100+
- 750 pts$40 offorders $150+
- 1JoinCreate an account or sign in. 50 points on us.
- 2Earn2 points per $1, added when your order ships.
- 3RedeemTurn points into a discount code in your account.
Multi-Peptide Blends
Popular research combinations, pre-measured and lyophilized together in a single vial.
Save up to 20% with Bulk Pricing
Volume discounts apply automatically in your cart on select peptides. Every order over $100 ships free.
About Rocky Mountain Peptides
Rocky Mountain Peptides is a US-based supplier of lyophilized research peptides and blends for laboratory use, with same-day shipping, volume pricing, and responsive support.
Why Choose Us?
Same-Day Priority Mail
Orders placed by 12:00 PM MT ship the same business day, Monday through Friday, by USPS Priority Mail with tracking. $10 shipping ($15 insured), free insured shipping over $100.
Bulk & Volume Pricing
Select peptides drop 5% at 5 vials, 10% at 10, and 20% at 20, applied automatically in your cart.
Discreet Packaging
Orders ship in plain, unbranded packaging, labeled with no reference to the products inside.
Our Team
Our US-based team packs and ships every order from the United States. Orders placed by 12:00 PM MT, Monday through Friday, go out the same day by USPS Priority Mail with tracking, and typically arrive in 2–3 business days. Every vial is lyophilized, sealed, and labeled with its compound and amount, and every order ships in plain, unbranded packaging.
Questions? We're Here.
Questions about an order, shipping, or bulk quantities? Send us a message and we'll get back to you.
When does my order ship?
Orders placed by 12 PM MT, Monday–Friday, ship the same day by tracked USPS Priority Mail, once payment is received.
How do I pay?
Choose Zelle, Venmo or Cash App at checkout. Your order confirmation shows exactly where to send payment, with a QR code. How ordering works →
How much is shipping?
$10 by USPS Priority Mail, or $15 insured. Free on orders over $100, insurance included.
How should I store peptides?
Keep vials cool, dry and out of light. Storage guide →