Synergy IgG DF with SBI Protect® | Dairy-Free Gut & Immune Support

RetzlerRx® Synergy IgG DF is a dairy-free immunoglobulin concentrate featuring SBI Protect®, a clinically studied source of purified Immunoglobulin G (IgG) designed to support intestinal integrity, digestive comfort, and immune function.*

By helping bind a broad range of microbes and toxins in the gut lumen, Synergy IgG DF supports a balanced intestinal environment, digestive wellness, and stronger immune resilience.* Designed for individuals with gut-related sensitivities, this physician-formulated powder provides targeted support for intestinal and systemic wellness.*

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Key Features & Benefits

• Purified Dairy-Free IgG – SBI Protect® delivers purified immunoglobulin support for gut and immune function.*
• Gut Defense – Helps bind microbes and toxins in the gut lumen to support intestinal balance.*
• Immune Resilience – Supports natural immune defenses and overall wellness.*
• Convenient Daily Support – Powder format provides flexible daily use for long-term support.*
• Doctor Formulated – Developed using principles of functional and longevity medicine.
• Clean & Pure – Dairy-free, non-GMO, gluten-free, and made with premium ingredients.

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Key Ingredients

SBI Protect® is a clinically studied source of purified Immunoglobulin G (IgG) used to support intestinal health and immune function.*

Immunoglobulins may help support the intestinal environment by binding select substances within the gut lumen, helping promote digestive balance and barrier integrity.*

Because digestive and immune health are closely connected, Synergy IgG DF is designed to support the gut-immune axis and provide comprehensive support for intestinal and systemic wellness.*

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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

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Suggested Use

Mix one scoop daily into water or your favorite beverage, or as directed by your healthcare provider.

RetzlerRx® Synergy IgG DF with SBI Protect® is your science-backed, dairy-free solution for gut health, immune strength, and long-term wellness.*

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Frequently Asked Questions

What does Synergy IgG DF support?

This formula is designed to support intestinal integrity, digestive comfort, gut balance, and immune resilience.*

What is SBI Protect®?

SBI Protect® is a clinically studied source of purified Immunoglobulin G (IgG) used to support gut barrier health and immune function.*

How does IgG support gut health?

IgG helps support the intestinal environment by binding select microbes and substances in the gut lumen, helping promote balance and digestive comfort.*

Who may benefit from this formula?

Individuals seeking dairy-free immunoglobulin support for gut-related sensitivities, digestive wellness, and immune resilience may benefit from this formula.*

How should I take this supplement?

Mix one scoop daily into water or your favorite beverage, or as directed by your healthcare provider.

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*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