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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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.
