Probiotic Synergy DF 45 | 45 Billion CFU Digestive & Immune Support
RetzlerRx® Probiotic Synergy DF 45 is a high-potency, doctor-formulated probiotic supplement crafted for comprehensive digestive and immune support. Delivering 45 billion CFU per serving from clinically studied strains including HOWARU®, FLORAFIT®, HN001®, and HN019®, this formula is designed to support broad-spectrum microbiome balance and resilience.*
Each serving is delivered in acid-resistant capsules, helping protect the probiotic strains through the stomach so they can reach the intestines where they are intended to work most effectively.* Designed for those with significant gut health needs, post-antibiotic recovery goals, or immune system support needs, DF 45 provides precision-formulated microbiome care backed by clinically relevant ingredients.*
- Digestive wellness and microbiome balance support*
- Daily immune resilience support*
- Post-antibiotic microbiome recovery support*
- Individuals seeking high-potency probiotic supplementation*
- Gut barrier and digestive comfort support*
Key Features & Benefits
- 45 Billion CFU Potency – Delivers a high-potency probiotic dose to help restore and support balanced gut flora.*
- Clinically Validated Strains – Includes HOWARU®, FLORAFIT®, HN001®, and HN019® selected for digestive and immune support.*
- Digestive Support – Helps support digestive comfort, regularity, and healthy nutrient utilization.*
- Immune Resilience – Supports gut barrier integrity and balanced immune function.*
- Acid-Resistant Capsules – Designed to protect probiotic strains for targeted delivery to the gut.*
- Doctor Formulated – Developed using principles of functional and longevity medicine.
- Clean & Allergen-Free – Non-GMO, dairy-free, gluten-free, and free of artificial fillers.
Key Ingredients
HOWARU®, FLORAFIT®, HN001®, and HN019® are clinically studied probiotic strains selected to support microbiome diversity, digestive comfort, gut barrier health, and immune resilience.*
This formula is delivered in acid-resistant capsules, which are designed to help protect the probiotic organisms during digestion and support effective delivery to the intestinal tract.*
Because gut health and immune function are closely linked, broad-spectrum probiotic support may help reinforce the gut-immune axis and promote overall digestive and immune wellness.*
Why RetzlerRx®
RetzlerRx® supplements are developed within the HormoneSynergy® Longevity Medicine ecosystem using principles of Evidence-Based Preventive Longevity Medicine. Each formula is selected for ingredient quality, clinical relevance, and real-world patient use within a physician-guided care model.
- Practitioner-formulated nutritional support
- Clinically relevant ingredient selection
- Designed to complement preventive longevity medicine strategies
- Focused on high-quality, clean-label formulations
Suggested Use
Take one capsule daily with or without food, or as directed by your healthcare provider.
RetzlerRx® Probiotic Synergy DF 45 is your science-backed, high-potency solution for digestive comfort, microbiome balance, and immune health.*
Frequently Asked Questions
What does Probiotic Synergy DF 45 support?
This formula is designed to support digestive wellness, microbiome balance, gut barrier function, and immune resilience.*
What makes this probiotic different from lower-potency formulas?
Probiotic Synergy DF 45 delivers 45 billion CFU per serving and combines multiple clinically studied strains for broader digestive and immune support.*
Why are acid-resistant capsules important?
Acid-resistant capsules are designed to help protect probiotic organisms from stomach acid so they can reach the intestines more effectively.*
Who may benefit from this supplement?
Individuals seeking high-potency probiotic support for digestive comfort, microbiome balance, post-antibiotic recovery, or immune wellness may benefit from this formula.*
Can this be used for daily microbiome support?
Yes. This formula is designed for daily use as directed by your healthcare provider to support ongoing digestive and immune wellness.*
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
HormoneSynergy® Longevity Medicine
Portland • Lake Oswego • Oregon
Evidence-Based Preventive Longevity Medicine