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Longevity Medicine, Functional Wellness & Anti-Aging Insights from HormoneSynergy®

Welcome to the HormoneSynergy® Longevity Blog — your nationwide resource for evidence-based longevity medicine, functional wellness, bioidentical hormone optimization, GLP-1 weight loss strategies, and physician-formulated supplement guidance. Led by Dr. Kathryn Retzler, our expert-driven articles translate advanced clinical science into practical strategies that help individuals across the USA extend healthspan, optimize metabolic performance, balance hormones, and proactively support vibrant, resilient aging.

  • Integrative Psychiatry in Longvevity Medicine

    Integrative psychiatry plays a significant role in longevity medicine by addressing mental health issues that can impact overall well-being and lon...
  • Total Gut Restoration by Microbiome Labs

    Recondition Reinforce Rebuild™ by Microbiome LabsTotal Gut Restoration is an advanced 3-month protocol to support and restore gut health. A triple-...
  • Tri-Fortify Liposomal Glutathione and ATP 360 by Researched Nutritionals

    We are pleased to share with you the recording and slides from Dr. Christopher Wakely's presentation: Potentiate Peptide and Hormone Therapy by Tar...
  • Longevity Medicine - Extending Healthspans. Maximizing Lifespans.

    Age Management Medicine or Longevity Medicine focuses on slowing, preventing, or reversing the processes associated with aging. The field incorporates a comprehensive approach combining lifestyle interventions and conventional treatment options.
  • DEXA Bone Density & Visceral Fat Analysis in Portland & Lake Oswego

    Discover how DEXA bone density scans and visceral fat analysis at HormoneSynergy® in Portland provide advanced insights into bone strength, body composition, and long-term health risks. Learn how these tests support osteoporosis prevention, cardiovascular health, and personalized wellness strategies for proactive aging.

  • Full Body MRI (magnetic resonance imaging)

    While a Full Body MRI can be potentially useful and identify some things that are clinically important, many of the things that they identify are clinically unimportant, but will still result in extensive follow-up testing, interventions, biopsies, procedures, and operations to manage things that never would may not have harmed a person in the first place.
  • Semaglutide Integrative Weight Loss in Portland Oregon

    Semaglutide and tirzepatide are medications initially developed to treat type 2 diabetes but are now FDA-approved to treat obesity. When used for weight loss, a semaglutide or tirzepatide weight loss program involves a once-weekly injection of the drug.
  • The Hallmarks of Aging

    The hallmarks of aging are a set of interconnected biological processes and mechanisms that contribute to the aging process at the cellular and molecular levels. 
  • Peptide Therapy

    Peptide therapy involves the use of peptides, which are short chains of amino acids, to influence and regulate various physiological functions in the body. Peptides play crucial roles in cellular communication and can have a wide range of effects, including influencing hormone levels, promoting tissue repair, and modulating immune function.
  • Dr. Retzler offers another Age Management, BHRT and Pellet Therapy Training

    BHRT Seminar, Saturday, June 17th, 9:00 am to 5:30 pm (lunch included). Pellet insertion training, Sunday, June 18th 10:00 am to 4:00 pm. What yo...
  • Umbrellux® DOA and Diamine Oxidase (DAO) for Histamine Intolerance

    What Is Histamine? Your body has a natural production of histamine – and this natural inflammatory compound normally serves many useful functions....
  • Dr. Retzler completes second training in Bredesen Protocol™

    The Bredesen Protocol™ is a comprehensive, personalized program that targets the multiple underlying causes of Alzheimer’s disease, with an overal...