I am a repeat customer and have purchased their GLP3-R along with BPC 157/TB500 and CJC1295 and Ipamarelin combo. No complaints from this company. I can attest their peptides are effective and good qu... See more
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Review summary
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Reviews shaping this summary
Transparency with the quality and testing of their peptides is unlike anywhere else I have found! I did extensive research on all the different companies (over 100 hours) and this was by far the mos... See more
Nicole, the gal answering the phone is always polite and respectful, she answers my questions to the limit of what can or can not be said about peptide dosage and the like but can explain a peptide us... See more
Made my first order with Peptidology…received my order promptly but the vial looked damaged . Contacted CS and quickly was sent a replacement order no questions asked ! But! FedEx delivered to t... See more
Company details
- #3 of 42 best companies in Biochemical Supplier
About Peptidology
Written by the company
Peptidology is different in three ways.
1. Product
Our 14-point advanced testing protocol covers up to 27 units per batch — more than any other firm we're aware of. Every product exceeds 99% purity, and its contents are identified and confirmed. Up to 9 units per batch are tested for sterility and screened for common heavy metals, including chromium, arsenic, cadmium, and lead.
Using ion chromatography, we screen for manufacturing byproducts such as trifluoroacetic acid (TFA), and we test for 15 industrial solvents commonly used in production, including benzene.
We also screen for endotoxins (also known as LPS, or lipopolysaccharides). Container closure integrity is verified using the dye-ingress method to confirm each vial's contents remain intact, and solubility analysis confirms every product is stable and reconstitutes properly.
Every batch is tested by our U.S.-based analytical partners, Vanguard Laboratory and Eagle Analytical — both ISO-certified, inspected facilities. Batch-level QR codes appear on every product, with all current and past certificates available on demand.
Our Certificate of Analysis Manager is the best in the industry — searchable by batch and compound, and it tracks purity levels over time.
Raw materials are manufactured by FDA-audited suppliers and finished in GMP-compliant laboratories.
2. Service
Our Arizona-based support team is available by phone at (480) 974-4660 during business hours, Monday through Friday, 9 a.m. to 5 p.m. Live chat is available on our website. We ship six days a week from a warehouse located minutes from a major shipping hub. Place an order by 2:30 p.m. Arizona time on weekdays and it ships the same day.
We accept all major cards and bank transfers, offer bulk order discounts, and back every purchase with a 60-day return policy.
3. Industry discounts
We offer special discounts to Defense and Veterans Affairs institutions, federal and municipal government agencies, and public safety and emergency response organizations. This initiative supports these vital professions while expanding their access to high-quality research materials. Learn more about industry discounts here.
Contact info
11111 N Scottsdale Road Suite 205, 85254, Scottsdale, United States
- 480-974-4660
- hello@peptidology.co
- peptidology.co
4.9
Excellent
171 reviews
Asks customers to review
This company invites their customers to review, whether positive or negative
Replied to 100% of negative reviews
Typically takes over 1 month to reply
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Exemplary Service and Product Pricing
Nicole, the gal answering the phone is always polite and respectful, she answers my questions to the limit of what can or can not be said about peptide dosage and the like but can explain a peptide use very well. The price and quality is value for the price. Will continue doing business with them.
October 23, 2025
Everything is on point!
Everything is on point!
Shipping is super fast, the product is legit, and the prices are reasonable. It's the trifecta.
October 23, 2025
Great quality and value
I like same day shipping and products are of good quality and value. Peptidology is my go to for my peptide needs now.
October 22, 2025
The overnight shipping is a nice option.
October 21, 2025
Customer Oriented
Very kind people, no game, willing to fix any challenges, no fee gauging for my research products.
October 22, 2025
Im on my fourth order now cjc and ipa
Im on my fourth order now cjc and ipa, nad+ and nothing but great results so far. The price is great and shipping is fast.
October 22, 2025
Product delivered quickly and packaged…
Product delivered quickly and packaged securely.
October 21, 2025
Knowledgeable and Responsive
Knowledgeable and Responsive
Great experience working with their team and helped me understand a bit more about the reconstitution process and importance of high quality and balanced bacteriostatic water. thanks for the help!
October 21, 2025
they come really fast and for a…
they come really fast and for a fraction of the cost that I spend at my doctor and they are quality
October 23, 2025
Unprompted review
Good products
Good products, reasonable shipping times as well. Great products
September 1, 2025
Unprompted review
I have been using peptides for a while…
I have been using peptides for a while now so I was weary of changing suppliers, but peptidology was half the price. I ordered it and got it the next day. Which was awesome. It came packaged great. I noticed that it was a little more viscus. And contacted support, which answered me immediatly. They walked me through the issue and why and how to resolve it. They were quick and addressed my concerns. I appreciate a company that has a live person helping you through, and making sure youre happy.
October 10, 2025
Unprompted review
Quality product with fast shipping
Quality product that provided immediate results. Seems very legit and the price is right.
October 17, 2025
Unprompted review
Great Customer Service
Made my first order with Peptidology…received my order promptly but the vial looked damaged . Contacted CS and quickly was sent a replacement order no questions asked !
But! FedEx delivered to the wrong house. With no help from FedEx at all other than them saying the package was delivered - Zero follow up from FedEx.
Contacted Peptidology not expecting much since they had already sent a replacement order. But they again replaced my Pep and switched delivery companies. Received the 3rd replacement quickly with no hiccups.
Cannot say enough about their great Customer Service.
October 1, 2025
Unprompted review
Helpful customer service
October 8, 2025
Unprompted review
BLOWN AWAY BY THIS COMPANY!
Ordered five vials of different peptides on Saturday. Site says would ship next business day and should arrive Wednesday. Nope. Shipped Saturday and arrived Monday!! Ordered wolverine, GLPs, one lesser known for cartilage damage.
Their tirzepatide is no joke! Started back at 2.5mg and it began to kick in within 24 hours. I have been on compounded GLP2 through 3 different companies and lately (last 6 months) nothing worked like two years ago! They are watering them down out there! I was spending $100s/month on crap!
Chose PEPTIDOLOGY bc of reviews and their immediate reply to a question before I ordered. Their GLPs are the real deal and the wolverine stack erased my hip/groin pain in two days! I had recently popped something after hiking and it left me limping - second day and pain was gone. Not subsided - gone!
AOD9604 is not well known but I’m starting it for cartilage help to try and put surgeries off a few years. I’m 51 and have severe osteoarthritis in both thumbs and knees are damaged from skiing and FIVE surgeries! I’m aiming to be the bionic woman 😉 and I’m doing my part to stay active and not rely on pain pills. My orthopedic surgeon was 100% onboard with peptides and complained that bc of the FDA pulling them all back he can’t help but he 100% believes in their efficacy! Enough said - peptidology.com has a long standing customer in me as long as their quality doesn’t change!! “Thanks!” Just doesn’t say enough!
October 1, 2025
Unprompted review
Excellent customer service and every…
Excellent customer service and every time I reach out a real person calls quickly. Great product!
September 18, 2025
Unprompted review
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