Transfer Factor Rapid Response™ by Researched Nutritionals® | Innate & Adaptive Immune Support* Immune Support

Transfer Factor Rapid Response™ Innate immune system support represents a new era in immune system support — now available through HormoneSynergy® Clinic and RetzlerRx® in Portland and Lake Oswego, Oregon.
This cutting-edge formula by Researched Nutritionals® is designed to empower your body’s natural defenses with the most potent Transfer Factor blend ever developed.

Transfer Factor Rapid Response™ provides fast-acting, comprehensive immune modulation to strengthen both innate and adaptive immune functions, supporting rapid immune readiness when your body needs it most. Beyond traditional immune boosters, this next-generation formula also helps maintain gut barrier integrity, promoting a healthy balance between immune vigilance and regulation.*

Key Benefits

• Supports both innate and adaptive immunity for full-spectrum defense*
• Helps modulate immune response for balanced activity during immune challenges*
• Promotes gut barrier integrity and healthy immune-gut communication*
• Provides rapid immune readiness for seasonal or situational immune stress*
• Ideal for those seeking science-based, professional-grade immune support

Why Choose HormoneSynergy® / RetzlerRx®

At HormoneSynergy® Clinic, Dr. Kathryn Retzler integrates immune-supportive nutraceuticals like Transfer Factor Rapid Response™ into personalized longevity and functional medicine programs. As part of the RetzlerRx® supplement collection, this product is trusted for its clinical quality, purity, and evidence-based formulation—helping patients and customers optimize resilience and long-term health.

Suggested Use

Take as directed by your healthcare provider. Designed for short-term immune activation or year-round foundational support.*