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.
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The FDA Finally Updates Its Guidance on Hormone Therapy - Here’s Why It Matters for Women’s Health
The FDA has officially updated its warning on hormone-based menopause therapies, acknowledging that the benefits often outweigh the risks for many women. This shift validates what experts like Dr. Kathryn Retzler have practiced for decades: individualized, evidence-based hormone therapy improves mood, sleep, bone strength, and long-term wellness. Here’s what women need to know.
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Pendulum Life PRO vs. Retail Probiotics: What’s the Difference?
Pendulum Life offers two probiotic lines: the consumer retail collection and the advanced, clinical-grade PRO line—including Glucose Control PRO—available only through healthcare practitioners. At HormoneSynergy® Clinic, we explain the key differences so patients can choose the right probiotic for gut health, metabolic support, GLP-1 synergy, and longevity.
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Why Supplement Quality Matters: The Truth About Regulation, Counterfeits, and Why Buying Direct Protects Your Health
Most consumers don’t realize how loosely regulated the U.S. supplement industry is—or why Amazon and big-box retailers are high-risk for counterfeits, contamination, and potency loss. At HormoneSynergy® and RetzlerRx®, every formula is physician-curated, cGMP manufactured, and third-party tested for purity, potency, and identity. Learn how to choose safe, clinically validated supplements and why buying direct protects your health and longevity.