Promino
Innovation Down
to the Amino.
Precision-formulated research-grade peptides with premium sourcing, rigorous standards, and uncompromising quality. Made in the USA. Tested in the USA.
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Promino Rewards
Earn rewards when you shop
Create an account and every qualifying purchase builds your balance automatically. It's our way of saying thanks for choosing lab-tested, research-grade peptides from Promino.
- Create an account and earn 25 points immediately!
- 1 point for every $1 you spend on eligible orders (after discounts), tracked on your account.
- Redeem in checkout: every 200 points = $10 off your order, in 200-point steps—similar to using points at checkout elsewhere.
- Points can be combined with one partner coupon at a time; sign in to see your balance and redeem on your next order.
Partner program
Become an affiliate
Share Promino with researchers and labs you trust. You get a personal referral link and a shopper coupon; when someone buys through your link or enters your code at checkout, qualifying orders count toward your commissions under the program terms.
- 10% off for customers who use your coupon at checkout.
- 20% commission on their first qualifying order, 10% on qualifying repeat orders (per terms).
- Referral visits are remembered for 30 days, so you get credit when they return to complete checkout.
- Monthly payouts for approved earnings, with clear reporting in your account.
How it works
Four steps from signup to getting paid; details and eligibility are in the official terms when you enroll.
- 01
Step 1
Create a Promino account
Sign in (or register) so we can issue your partner assets and pay commissions securely.
- 02
Step 2
Accept the affiliate terms
Review and electronically sign the program agreement. We activate your referral link and shopper coupon after enrollment.
- 03
Step 3
Share your link and code
Post your affiliate link and coupon code. Compliant, research-focused messaging keeps everyone aligned with how these products are sold and helps prevent misuse.
- 04
Step 4
Track orders and get paid
See activity in your account. Qualifying paid orders earn at the first- or repeat-order rate; earnings are settled on the monthly payout schedule in the terms.
Research-grade value
The cheapest Research Grade Peptides on the market
We built Promino around one idea: serious researchers shouldn't have to overpay for verified purity. Transparent pricing, US-based verification, and direct sourcing keep costs down without cutting corners on quality.
- Made in the USA — manufactured and tested to rigorous standards, with documentation you can rely on for your lab.
- 99%+ purity, third-party CoAs, and the same compounds you'd expect from premium suppliers at prices that respect your budget.
- Compare our catalog side by side with other research peptide sources; you'll see why labs keep coming back to Promino.
Frequently Asked Questions
Everything you need to know about peptide research
What purity level are your peptides and how is it verified?
All Promino peptides are guaranteed 99%+ pure. Each batch is independently tested by accredited U.S. laboratories using HPLC (High-Performance Liquid Chromatography) and Mass Spectrometry. We provide a Certificate of Analysis (CoA) with every order showing exact purity percentages, molecular weight verification, and amino acid sequence confirmation.
What is a Certificate of Analysis (CoA) and how do I read it?
A Certificate of Analysis is an official lab document that verifies your peptide's quality. Key sections include: Purity (should be 99%+), Identity (confirms correct peptide via mass spec), Appearance (should match product description), and Endotoxin levels (should be below 1 EU/mg). Each CoA is batch-specific and available on product pages.
What is bacteriostatic water?
Bacteriostatic water (BAC water) is sterile water containing 0.9% benzyl alcohol, which inhibits bacterial growth. It is a standard laboratory supply used in research settings. We offer pharmaceutical-grade BAC water in our accessories section.
How should I store peptides?
Lyophilized (freeze-dried) peptides are very stable. For short-term storage (under 3 months), room temperature in a cool, dark place is fine. For long-term storage, refrigerate at 2-8C or freeze at -20C. Avoid repeated freeze-thaw cycles. Properly stored lyophilized peptides can remain stable for 2+ years.
How long do peptides remain stable?
Lyophilized (freeze-dried) peptides are highly stable and can last 2+ years when stored properly at -20C or 2-8C. Once in solution, peptides remain stable for 4-6 weeks when refrigerated at 2-8C with bacteriostatic water, or 7-10 days with sterile water. Always store away from light and avoid repeated temperature fluctuations.
How fast do you ship and is cold shipping required?
Orders are processed within 0-2 business days. Standard shipping takes 3-5 business days from fulfillment. Every order includes free shipment protection. Lyophilized peptides don't require cold shipping - they're stable at room temperature. All orders ship in discreet, unlabeled packaging.
Do you ship internationally?
Currently, we ship to all 50 U.S. states. International shipping varies by country due to customs regulations on research materials. Contact our support team for specific country availability. All international orders may be subject to local customs fees and import duties.
What is Promino and why should I trust you?
Promino is a U.S.-based peptide research supplier committed to quality and transparency. We source from GMP-compliant manufacturers and conduct independent third-party testing on every batch at accredited American laboratories. Unlike other suppliers, we provide full Certificates of Analysis, maintain strict quality control, and back everything with our 99%+ purity guarantee.
Are these peptides for human use?
All Promino peptides are sold strictly for research, laboratory, and educational purposes only. They are not approved for human consumption, veterinary use, or any therapeutic application. By purchasing, you confirm you are a qualified researcher and will use products in accordance with all applicable laws and regulations.
What is your return and refund policy?
Please see our Returns & Refunds page for more information.
How can I contact Promino support?
Visit our Contact Us page or email us at support@promino-usa.com.
Research-grade peptides, made in the USA, with third-party testing, full traceability, and pricing built for labs that buy often.
Browse vials backed by CoAs and the same quality bar we hold for every batch we ship.
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