RetzlerRx® Magnesium L-Threonate Powder | Magtein® Brain & Sleep Support Berry Flavor

RetzlerRx® Magnesium L-Threonate Powder Berry with Magtein®

Advanced brain-focused magnesium powder with Magtein® for cognitive function, memory, relaxation, and healthy sleep support.*

Part of the RetzlerRx® physician-formulated longevity supplement system.

RetzlerRx® Magnesium L-Threonate Powder (Berry) features Magtein® magnesium L-threonate, a specialized form of magnesium designed to support cognitive function, memory, relaxation, and healthy sleep.* This advanced magnesium supplement is formulated to help support brain health while also contributing to overall magnesium balance in the body.

Magnesium plays a vital role in hundreds of biochemical reactions including nervous system regulation, muscle function, and cellular energy metabolism. Magnesium L-threonate has been studied for its ability to support magnesium levels within the brain and is widely used in cognitive and neurological wellness strategies.*

Why Magnesium L-Threonate Matters

Magnesium is an essential mineral required for healthy nerve signaling, relaxation pathways, and sleep regulation. Magnesium L-threonate is commonly used in advanced nutritional strategies designed to support cognitive health and brain magnesium levels.*

• Supports Cognitive Function – Helps support memory, learning, and mental clarity.*
• Supports Relaxation – Magnesium contributes to healthy nervous system balance.*
• Supports Healthy Sleep – Helps support relaxation pathways involved in restful sleep.*
• Supports Brain Magnesium Levels – Magnesium L-threonate is commonly used in brain health formulations.*

Key Benefits

• Featuring Magtein® – Patented form of magnesium L-threonate used in research and advanced supplements.*
• Supports Memory & Learning – Designed for cognitive wellness and mental performance.*
• Supports Relaxation & Sleep – Helps support calm neurological function and restorative rest.*
• Doctor-Formulated – Developed within a functional and longevity medicine framework.
• Clean Powder Formula – Non-GMO, gluten-free, vegan-friendly, with no artificial fillers.

What Makes It Different

Magnesium L-threonate provides a specialized magnesium compound often used in formulations focused on brain health and cognitive performance. The Magtein® form is widely recognized for its stability and role in brain-focused magnesium support.*

The powder format allows flexible dosing and easy mixing into water or beverages while delivering targeted magnesium support. Because cognitive health, sleep quality, inflammatory balance, and metabolic health are interconnected in longevity medicine, this formula fits naturally within a broader physician-guided wellness strategy.*

Who It May Be Best For

• Individuals focused on cognitive performance and mental clarity*
• Adults seeking relaxation and sleep support*
• Individuals interested in advanced magnesium supplementation*
• People seeking brain-focused nutritional strategies*

Suggested Use

Mix according to label directions or guidance from your healthcare professional.

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

Longevity Medicine Resources

• RetzlerRx® Longevity Supplements
• Sleep and Hormone Balance
• Inflammation and Cognitive Aging
• Insulin Resistance Explained
• HormoneSynergy® Longevity Medicine Model

Important Notes

Magnesium supplementation works best when combined with healthy sleep habits, balanced nutrition, stress management, and regular physical activity.

Practitioner-grade supplement available through HormoneSynergy® Longevity Medicine in Portland and Lake Oswego, Oregon. RetzlerRx® products are part of an evidence-based preventive longevity medicine approach. Nationwide shipping available.

Frequently Asked Questions

What is magnesium L-threonate?

Magnesium L-threonate is a specialized form of magnesium commonly used in nutritional strategies designed to support cognitive health and brain function.*

What is Magtein®?

Magtein® is a patented form of magnesium L-threonate widely used in advanced magnesium supplements and research studies.*

How does magnesium support sleep?

Magnesium contributes to normal nervous system function and relaxation pathways that are involved in healthy sleep regulation.*

Who may benefit from magnesium L-threonate?

Individuals interested in cognitive health, relaxation support, and brain-focused nutrition strategies may consider magnesium L-threonate supplementation.*

Video: Dr. Kathryn Retzler Explaining Magnesium L-Threonate

*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.