Our #1 best seller99.84% purity
ORP-3R
Triple-agonist metabolic research peptide
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$63.75$75
$6.38/mg15% offYou saveSave $11.25
- Ships 2-Day Priority Air
Optimum ReGen Peptides21+
Research use only
All research products on this site, including all peptides, are sold strictly for laboratory and research use only, not for human or animal consumption, diagnostic, or therapeutic use. Our tallow skincare products are topical cosmetics. You must be 21 or older to enter.
Third-party testedHPLC + MSMedford, OR
By entering you confirm you are 21+ and accept these products are for research use only. See our Terms and Disclaimer.
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Ranked by real orders, last 90 days
Best sellers
What researchers order most, updated every hour. Every purity badge links to the lab’s certificate for that size.
- #2 Best seller99.34% purity
BPC-157 / TB-500
BPC-157 / TB-500 Research Stack
$59.50$70You saveSave $10.50 - #4 Best seller99.31% purity
GHK-Cu
GHK-Cu copper peptide for laboratory research
$29.75$35You saveSave $5.25 - #5 Best seller99.87% purity
Klow
KPV, BPC-157, TB-500 & GHK-Cu recovery research stack
80mg vial$85.00$100You saveSave $15.00 - #7 Best seller99.20% purity
Tesamorelin
Growth Hormone Releasing Research Peptide
$68.00$80You saveSave $12.00
Why people trust ORP
The peptide company you can walk right into
Most peptide sites are a checkout page and nothing else. We’re a real company with stores you can visit, lab results you can read, and people who pick up when you call. Here’s the proof.
- A real store
- Medford, Oregon967 Lawnsdale Rd, Unit 2, Medford, OR 97504Mon to Fri 9am to 5pm · Sat 10am to 3pmGet directions
- Third-party tested
- 99.48%average HPLC purityTested independently by Freedom Diagnostics.Read the lab results
- Real people
- (541) 531-5107The team in the photo runs the store and answers the phone.
Our storesOpenOpening soon
- Medford, OROpen · walk-ins welcome
- Lompoc, CAOpening soon
- Lake Oswego, OROpening soon · Portland area
Verified on Google
What researchers say
Real reviews from real customers on our Google Business Profile, about our service, testing and shipping.
Optimum ReGen Peptides
Rated 5.0 out of 5 from 84 Google reviews.
Medford, Oregon · Every review is 5 stars
967 Lawnsdale Rd, Unit 2, Medford, OR 97504
Mon to Fri 9 AM to 5 PM · Sat 10 AM to 3 PM
- Rated 5 out of 5.
Adam RamirezGoogle review “Optimum ReGen Peptides has exceeded all our expectations for research supply. Knowledgeable, experienced representatives, incredible shipping, and attention to detail make this our first stop. Extremely professional, and genuinely good people.”
- Rated 5 out of 5.
Chandra LaneGoogle review “I don't leave reviews often, but these guys absolutely earned one. From my first interaction I was treated like a longtime customer instead of just another sale. They went out of their way, and the communication was outstanding.”
- Rated 5 out of 5.
Eric HeylGoogle review “It's tough finding good quality with direct, great service. The owner, Ian, called me personally and walked me through the process. It's been a great experience, and 2-day shipping is unheard of.”
- Rated 5 out of 5.
J. JonesGoogle review “An outstanding experience with this local peptide supplier. Their prices are hands down the best I've found, but what really sets them apart is the customer service: friendly, knowledgeable, and never making you feel rushed.”
- Rated 5 out of 5.
Kimberly KluberGoogle review “First off, the customer service is amazing! They answer any question no matter how silly I think it is. They're very knowledgeable about all their products and set you up so you leave with confidence.”
- Rated 5 out of 5.
Christina ChambersGoogle review “If you want a vendor that actually treats research chemicals with the scientific integrity they deserve, this is the one. I've sourced from plenty of places, and these guys completely blow the competition out of the water.”
- Rated 5 out of 5.
Sarah TreadwayGoogle review “An excellent experience, and I especially appreciate that they're a local company, which makes every interaction feel more personal. Ordering is always simple, and every product has been well packaged and clearly labeled.”
- Rated 5 out of 5.
Raelyn GravesGoogle review “Customer service is phenomenal. They'll speak with you on the phone and even video chat to help with anything you need. High-quality products, fast shipping, and you feel safe ordering from them.”
- Rated 5 out of 5.
Ruger DallasGoogle review “Good products, awesome prices, and great people. Very knowledgeable and professional. They make it their mission to customize what will work best for you. So happy I went with ORP instead of some random online shop.”
- Rated 5 out of 5.
Zani WattersGoogle review “Some of the friendliest and most helpful people I've come across. Fast shipping and gorgeous packaging.”
- Rated 5 out of 5.
Brett WebbGoogle review “I did a lot of research before purchasing, and I'm glad I did. They are the real deal. I reviewed their COAs and appreciated the transparency. Knowing they back their products with testing gave me confidence in the quality.”
Find your compound
Shop by research area
42 research compounds across 4 areas, plus our Optimum Beauty skincare line.
- GLP & MetabolicIncretin and energy-balance research7 compoundsMost orderedORP-3R · Tirz · 5-Amino-1MQ7 compounds
- Recovery & RepairTissue repair and recovery research10 compoundsMost orderedBPC-157 / TB-500 · GHK-Cu · Klow10 compounds
- CognitiveCognitive, neurological and sleep research5 compoundsMost orderedSemax · Selank · DSIP5 compounds
- Overall HealthGrowth hormone, mitochondrial and cellular research20 compoundsMost orderedMOTS-C · Tesamorelin · NAD+20 compounds
- Optimum BeautyWhipped organic tallow skincare, made in the USA5 productsMost orderedGrapefruit Lemon · Bergamot Coconut5 products
Questions, answered
Research peptides for sale, lab-tested in the USA
Optimum ReGen Peptides is an American research-peptide company with a storefront in Medford, Oregon. Our certificates of analysis come from Freedom Diagnostics, an independent lab, and document HPLC purity and identity. Our most-ordered research compounds right now are ORP-3R, BPC-157 / TB-500 and MOTS-C.
Are these products for human use?
No. All research products, including all peptides, are sold strictly for laboratory and research use only. They are not intended for human or animal consumption, diagnostic, or therapeutic use, and nothing on this site is medical advice.
Are your peptides third-party tested?
Yes. Our certificates of analysis come from Freedom Diagnostics, an independent testing lab, and document HPLC purity and identity. You can view them on our lab testing page, or contact us for the certificate on a specific batch.
How are orders shipped?
Every order ships 2-Day Priority Air within the United States, with tracking emailed when it ships. Local orders can also be picked up at the store. See our shipping policy for details.
What payment methods do you accept?
Credit and debit cards (Visa, Mastercard, American Express and Discover), Apple Pay, and payment from most major bank accounts, all at checkout on our site.
Do you have a physical store?
Yes. Our storefront is at 967 Lawnsdale Rd, Unit 2, Medford, Oregon, open Monday to Friday 9am to 5pm and Saturday 10am to 3pm. New stores are opening soon in Lompoc, California and Lake Oswego, Oregon (Portland area).
How should research peptides be stored?
Lyophilized (freeze-dried) peptides are generally kept cool and away from light, and reconstituted material is typically refrigerated. Storage guidance is provided with research materials.
Still have a question?
Talk to a real person.
Mon to Fri 9am to 5pm · Sat 10am to 3pm
Read before you research
All products, including all peptides, are sold strictly for laboratory research use only. Not for human or animal consumption, diagnostic, or therapeutic use.
15% off ends Monday night.
Sitewide, kits included. Applied automatically at checkout. Every order ships 2-Day Priority Air.
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