Smarter Magnesium. Bigger Results.

Meet the high-octane magnesium formulation designed to do more for your cognition, mood, and sleep than the basic magnesium brain supplement. Liposomal Magtein combines Quicksilver’s unparalleled liposomal delivery technology with brain-centric magnesium L-threonate (Magtein) and high-purity phosphatidylcholine (PC)—a well-known phospholipid that supports neuronal membranes and healthy neurotransmission.

Why Magtein® (magnesium L-threonate)? 

• Scientifically Proven Ingredient – Developed from MIT research

• It Reaches Your Brain – Crosses the blood-brain barrier for maximum impact

• Helps Boost Memory, Focus & Learning – Enhances neural plasticity

• Helps Calm Stress & Supports Deep Sleep – Modulates neurotransmitters for balance

• Smarter Absorption On Overdrive – Magtein + Liposomal delivery ensures superior uptake and results

NET WT. 15.2 FL OZ (450mL)

Also available in travel-friendly 15mL sachets