Synergy Immune | Advanced Immune & Antioxidant Support

Strengthen your immune defense with RetzlerRx® Synergy Immune, a physician-formulated blend of clinically supported vitamins, minerals, and antioxidants designed for comprehensive immune support and resilience.*

This advanced formula combines targeted nutrients commonly used to support immune function, antioxidant balance, cellular protection, and year-round wellness.* With vitamin C, vitamin D3, zinc, N-acetyl L-cysteine (NAC), and quercetin, Synergy Immune provides broad-spectrum nutritional support for individuals seeking a proactive daily immune formula.*

By combining these synergistic nutrients, Synergy Immune helps support balanced immunity, antioxidant defense, and overall vitality—making it a convenient, doctor-formulated option for year-round wellness support.*

Key Features & Benefits

• Comprehensive Immune Support – Combines vitamin C, vitamin D3, zinc, NAC, and quercetin in one targeted formula.*
• Oxidative Stress Protection – Antioxidant nutrients help support cellular protection and healthy oxidative balance.*
• Respiratory Wellness Support – Quercetin helps support healthy immune and airway responses.*
• Glutathione Support – NAC provides precursor support for the body’s glutathione system and cellular defense.*
• Doctor Formulated – Developed using principles of functional and longevity medicine.
• Clean & Pure – Non-GMO, gluten-free, and free from unnecessary additives.

Key Ingredients

Vitamin C is a powerful antioxidant commonly used to support immune cell activity and oxidative balance.*

Vitamin D3 helps support normal immune function and overall wellness, while zinc plays an important role in immune defense, tissue repair, and cellular function.*

N-acetyl L-cysteine (NAC) is used to support glutathione production and antioxidant defense, while quercetin is a flavonoid antioxidant commonly used to support immune balance and respiratory wellness.*

Together, these nutrients create a complementary approach to immune resilience, cellular protection, and year-round 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 two capsules daily with meals, or as directed by your healthcare provider.

RetzlerRx® Synergy Immune is your doctor-formulated solution for strong, balanced immunity, antioxidant protection, and year-round wellness.*

Frequently Asked Questions

What does Synergy Immune support?

This formula is designed to support immune resilience, antioxidant protection, respiratory wellness, and overall vitality.*

Why combine vitamin C, D3, zinc, NAC, and quercetin?

These nutrients work together to support immune function, antioxidant balance, glutathione support, and cellular protection through complementary mechanisms.*

What is NAC used for?

N-acetyl L-cysteine (NAC) is commonly used to support glutathione production and antioxidant defense within the body.*

What is quercetin used for?

Quercetin is a flavonoid antioxidant commonly used to support immune balance, oxidative stress protection, and respiratory wellness.*

Who may benefit from this formula?

Individuals seeking a broad-spectrum daily formula for immune support, antioxidant defense, and year-round wellness may benefit from this product.*

*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