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HormoneSynergy® Longevity Medicine
Evidence-Based Preventive Longevity Medicine
Published August 08, 2025

Please scan the QR Code in the flyer which takes you to the "Create a Personal Account" page. Enter your email address and password where indicated. Check the "I have a professional ID" and enter Dr. Retzler's Professional ID KATRET4650 in the box. Click "Continue" Make sure to include the promo code “FEELGOOD” at checkout.  

  • Please scan the QR code in the flyer. It will take you to the Metagenics® Create a Personal Account page.
  • Enter your email address and password where indicated.
  • Check the box labeled "I have a professional ID" and enter Dr. Retzler's Professional ID: KATRET4650
  • Click "Continue".
  • If you are a first-time buyer on the portal, enter the promo code FEELGOOD at checkout to receive 30% off your first order.
  • You will also receive a permanent 10% sitewide discount off standard retail pricing on future purchases.

Metagenics practitioner portal QR code for HormoneSynergy patients

Longevity Medicine Education Series
This article is part of the HormoneSynergy® Longevity Medicine education series covering preventive cardiology, metabolic health, hormone optimization, body composition, and advanced diagnostics for healthy aging.

Return to the Longevity Medicine Guide →

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