In a Market with so many skeptics, I have found in Mile High a trustworthy source . They include the QR code that takes you directly to the lab certifícate in every vile. The fact that they accept... See more
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Update: Taylor at MHC reached out pretty quickly after this review posted and wanted to offer a reshipment of my peps due to the packaging issue. They were exceptionally communicative and very quick... See more
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I want to extend a big thank you to Max and the team for providing clean compounds and always finding ways to provide a better experience. They are bringing the service back into the customer experien... See more
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Hands down one of the top-most trusted sources on the internet. Great customer service, trusted and verified third party COAs, and fast delivery round out the great experience I’ve had with this vendo... See more
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Company details
Written by the company
Mile High Compounds is a family-owned and operated U.S. supplier of premium research compounds. Every lot is independently tested by ISO 17025 accredited labs — eight tests minimum, covering identity, purity, net content, USP <71> sterility, endotoxins, variance, and heavy metals. New lots run a 15-point panel that adds residual solvents, residual TFA, container closure integrity, water solubility, and a fentanyl screen. Every COA is published, not available on request. Order by 3 PM MST, Monday through Friday or before 12PM Saturday, and it ships the same day via FedEx 2 Day.
The Mile High Compounds Difference
Written by the company
- 1. Product
- Mile High Compounds is different in three ways. Our peptides are sourced from U.S.-based, cGMP-certified manufacturers. Nothing arrives from an unverified supplier. Every lot is independently tested by ISO 17025 accredited laboratories before it is released. Eight tests are the floor: identity, purity, net content, 14-day sterility, endotoxins, conformity, and heavy metals — screened for lead, arsenic, mercury, and cadmium. New lots run our full 15-point panel, which adds residual solvents, residual trifluoroacetic acid (TFA), container closure integrity, water solubility, and a fentanyl screen. Every certificate of analysis is published publicly via our COA library. We are proud to be one of the most rigorously tested suppliers in the industry, more than any other we are aware of.
- 2. Service & Support
- We ship six days a week from our warehouse in Scottsdale, Arizona. Place an order by 3 PM MST, Monday - Friday & 12 PM Saturday, and it goes out the same day. Orders over $300 ship free via FedEx 2 Day. We accept all major cards and back unopened product with a 14-day return policy. Support runs through email at support@milehighcompounds.is. Questions about a compound, a COA, or an order reach our team directly, and we answer quickly. Now over a year ago, this company was one person — customer service, fulfillment, logistics, packing every box. Today we are family owned and operated, based in Colorado Springs, Colorado. Our founder employs his parents and most of his extended family, people with real backgrounds in laboratory and medical work, operations, logistics, and service. We are obsessed about the little details and make sure your experience is exceptional.
- 3. Industry discounts
- We offer discounts to veterans, active military, first responders, and public safety and service members. These are the people who spend their careers on the hard end of other people's worst days. Extending them better access to quality research materials is the least we can do. Verified through VerifyPass. Learn more about our industry discounts here: https://milehighcompounds.is/military-discount/
Contact info
16055 Old Forest Pt. Suite 301, 80132, Monument, United States
- support@milehighcompounds.is
- milehighcompounds.is
4.8
Excellent
503 reviews
Asks customers to review
This company invites their customers to review, whether positive or negative
Replied to 75% of negative reviews
Typically replies within 1 week
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Fantastic company!
Trustworthy. Quick delivery and quality products. Would trust anywhere else!
July 7, 2026
Reply from Mile High Compounds
Hi M. Parker! Thank you for your kind words and trusting our business! We are so glad to hear that you enjoyed your experience and product. Thank you for being a valuable customer!
Taylor
Mile High Compounds
Reply from Mile High Compounds
Hi Sean! Thank you for taking the time to leave us a review and supporting our business! We are so glad to hear that you enjoyed your experience and product. Thank you for being a valuable customer!
Taylor
Mile High Compounds
Reply from Mile High Compounds
Hi Aileen! Thank you for taking the time to leave us a review and supporting our business! We are so glad to hear that you enjoyed your experience and delivery time. Thank you for being a valuable customer!
Taylor
Mile High Compounds
Reply from Mile High Compounds
Hi Amber! Thank you for your kind words, taking the time to leave us a review! We are so glad to hear that you enjoyed your experience and customer support. Thank you for being a valuable customer!
Taylor
Mile High Compounds
Reply from Mile High Compounds
Hi Denise! Thank you for your kind words, taking the time to leave us a review and supporting our business! We are so glad to hear that you enjoyed your experience and transparency. Thank you for being a valuable customer!
Taylor
Mile High Compounds
Hasn’t worked for me at all
Hasn’t worked for me at all. I feel no different and no weight loss either.
July 6, 2026
Reply from Mile High Compounds
Hi Eliana,
Thank you for the feedback. We take product quality and consistency very seriously. Every batch of research materials we offer undergoes multiple rounds of independent third-party testing for purity and identity before it ships.
If you’d like to independently verify the testing on your specific batch, you’re welcome to contact Vanguard that is listed on the Certificate of Analysis.
We’re also happy to help — just email our support team - support@milehighcompounds.is with your order number so we can assist you directly.
— Max
Founder, Mile High Compounds
Reply from Mile High Compounds
Thank you Aman! You are the best!
Good selection of compounds and really…
Good selection of compounds and really good Customer service, had an issue with the website when they were doing work on it and had an associate contact me directly and resolve the problem. They come highly recommended from the peptide critic and supposedly do extensive testing which greatly adds to peace of mind.
July 6, 2026
Reply from Mile High Compounds
Hi Alex! Thank you for your kind words, taking the time to leave us a review. We are so glad to hear that you enjoyed your experience and customer service. We take pride in our extensive testing and are happy to hear it provides peace of mind. Thank you for being a valuable customer!
Taylor
Mile High Compounds
Great service
Great service, product arrived in reasonable time. Product is as advertised. Appreciate your level of product testing.
July 7, 2026
Reply from Mile High Compounds
Hi Randy! Thank you for taking the time to leave us a review. We are so glad to hear that you enjoyed your experience and product. We take pride in our extensive testing and are happy you do as well. Thank you for being a valuable customer!
Taylor
Mile High Compounds
My package did not arrive and I’m STILL…
Update: The MH team worked to remedy the issue and even sent me additional product. They personally called me too. It was nice to not speak to an automated system. I adjusted my review from 1 star to 4. A lot was out of their control with FedEx…just happy I paid for the shipping protection cause if not I would have been out of luck. Thanks for the help. Just placed another order!
My package did not arrive and I’m STILL waiting for it. I wish they would have just sent a new package the moment they saw that it became an issue. So frustrating.
July 6, 2026
Reply from Mile High Compounds
Hi there,
I’m really sorry for the frustration and confusion with your delivery. I completely understand how stressful it is when a package doesn’t arrive as expected.
To clarify what happened: FedEx initially routed your package to the wrong truck. We were preparing to send a replacement, but FedEx was able to redirect the original package back to the correct address. Unfortunately, this created a lot of tracking confusion and back-and-forth, which made it seem like the package was lost.
I’m glad we were able to get everything sorted for you. Thank you for your patience while we resolved this. If there’s anything else we can assist with, please feel free to reach out.
Max
Founder, Mile High Compounds
Great communication
Great communication. Great products! On time delivery.
I’ve been getting Mile High for probably close to a year. Never any issues!
July 7, 2026
Reply from Mile High Compounds
Hi Joe! Thank you for taking the time to leave us a review. We are so glad to hear that you enjoyed your experience, product and customer service. We appreciate your commitment to our business. Thank you for being a valuable customer!
Taylor
Mile High Compounds
Reply from Mile High Compounds
Hi Shelly! Thank you for taking the time to leave us a review. We are so glad to hear that you enjoyed your quick delivery. Thank you for being a valuable customer!
Taylor
Mile High Compounds
I like that y’all are quick on getting…
I like that y’all are quick on getting my product out to customers.
July 7, 2026
Reply from Mile High Compounds
Hi Amber! Thank you for taking the time to leave us a review. We are so glad to hear that you enjoyed your quick delivery. Thank you for being a valuable customer!
Taylor
Mile High Compounds
There was a sourcing issue with part of…
There was a sourcing issue with part of my order. They communicated with me about the issue. I emailed them very, VERY early in the morning a few days later and thier response was very quick! Once to let me know they received my email and then a follow up a couple hours later to let me know my order was being shipped. That is a company you can and should trust!!
July 6, 2026
Reply from Mile High Compounds
Hi Cindi! Thank you for taking the time to leave us a review. We are so glad to hear that you enjoyed your proactive customer service. Happy we could resolve the issue for you. Thank you for being a valuable customer!
Taylor
Mile High Compounds
Reply from Mile High Compounds
Hi G Bell! Thank you for taking the time to leave us a review. We are so glad to hear that you enjoyed our customer service, shipping and product, we couldn't do what we do without you! Thank you for being a valuable customer!
Taylor
Mile High Compounds
Love the frequent sales
Love the frequent sales, shipping is fast. Excellence in every aspect.
July 7, 2026
Reply from Mile High Compounds
Hi Debbie! Thank you for taking the time to leave us a review. We are so glad to hear that you enjoyed your quick delivery and the sales! Our focus is you, and providing products in an accessible way through our sales. Thank you for being a valuable customer!
Taylor
Mile High Compounds
Mile High Comounds great job
Mile high compounds is doing a great job. Delivery is fast and packaged good. I always take advantage of
the discounts and the only way I can afford it.
THANK YOU!!
July 14, 2026
Reply from Mile High Compounds
Hi Linda! Thank you for taking the time to leave us a review. We are so glad to hear that you enjoyed your quick delivery and the discounts we offer. Thank you for being a valuable customer!
Taylor
Mile High Compounds
Max is very transparent and overall a…
Max is very transparent and overall a great person to do business with! Would absolutely recommend mile high compounds to anyone!
July 7, 2026
Reply from Mile High Compounds
Hi Craig! Thank you for taking the time to leave us a review and your kind words.We are so glad to hear that you enjoy purchasing from our business. Thank you for being a valuable customer and recommending us!
Taylor
Mile High Compounds
Trustworthy company with excellent…
Trustworthy company with excellent service and fast shipping.
July 6, 2026
Reply from Mile High Compounds
Hi Carmen! Thank you for taking the time to leave us a review and your kind words. We are so glad to hear that you enjoyed your quick delivery and customer service experience. Thank you for being a valuable customer!
Taylor
Mile High Compounds
Reply from Mile High Compounds
Hi Toni! Thank you for taking the time to leave us a review. We are so glad to hear that you enjoyed your quick delivery and the product was intact (woohoo!). Thank you for being a valuable customer!
Taylor
Mile High Compounds
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