To place an order, please use one of the options below, or call the office at (914) 864-1976 or email



Designs for Health

  • Order a variety of supplements, medical foods and accessories from Designs for Health at
  • Search for products by nutrient classification, A-Z listing and category.




  • To order Metagenics products, please call my office at (914) 864-1976 or visit (You'll see my name info under 'About Your Practitioner').

NP Script

  • Current clients, use access code GBrewsterRDN
Np logo

Ortho Molecular Products

  • By Telephone 1-800-842-0924 - Provide the Customer Service Representative with Practitioner # BREW10

Xymogen Online

  • For existing patients, please contact us to create an account for Xymogen's online store.

Prothera, Klaire Labs, Complementary Prescriptions

  • Contact us for an authorization code to place orders via phone or online
  • To order by phone, call 1-888-488-2488 and tell the representative that you are a patient of Geri Brewster, and provide the authorization code.
  • To order online, go to
  • You must register the first time you use the site. On right hand side of the Prothera homepage under “Registration”, look down to “Authorized Patients” and click Register Fill out registration form with the authorization code we provided. After registering, you'll be able to login.

Natural Dispensary

  • By phone - 877-NatDisp (877-628-3477)
  • Online at
  • One-stop shopping for Metagencis, Klaire, OrthoMolecular and Thorne products are available for telephone or online purchase and direct shipment to you at a 10% discount from Natural Dispensary. 
  • Product fact sheets, automatic & recurring shipping to ensure uninterrupted product supply and shipment tracking capabilities are also available when you purchase these products from Natural Dispensary. 
  • In addition, our affiliation with Natural Dispensary now allows us to provide to you some of your other favorite supplement brands at a 10% discount.  These brands include Designs for Health, Douglas Labs, Allergy Research Group, Integrative Therapeutics, Pure Encapsulations and Vital Nutrients.
  • To participate contact Natural Dispensary with my Practitioner PIN #:  ITI-7165
  • After registering at the website, Natural Dispensary will send you a membership confirmation email within 24 hours (oftentimes it takes less than an hour or so).  Upon receipt of the confirmation email, you will be eligible to purchase products and utilize all of the features this website offers.
  • Shipping is free for orders over $200 otherwise standard shipping is $8.50.



Phone: (914) 864-1976


Map, Directions, and Forms (link)
Site contents © Geri Brewster | Terms of Use and Credits
* Statements about supplements have not been evaluated by the FDA and products are not intended to diagnose, cure, treat or prevent any disease.