About Us

Supplement Partners LLC, dba Guardian Wholesale, is the exclusive manufacturer of Hard Rhino products. We are based in Phoenix, Arizona. Our facility is FDA registered with cGMP and quality control processes throughout the production chain. Our internal lab testing validates all materials that come into our facility and monitors product integrity at every step of the production process. Next time you are in the area, we invite you to stop by to learn more about us. Thank you for your support.

Our other businesses:

logo-supplement-partners.png logo-muscle-empire.png
logo-petmedica.png   logo-supplement-flavors.png



FDA Facility Registration #: 16559250612