Quicksilver Scientific

Liposomal Magtein®

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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

The Quicksilver Advantage
Unlike most magnesium supplements, Magtein (magnesium L-threonate) is clinically proven to cross the blood-brain barrier. Paired with Quicksilver’s advanced liposomal delivery, it delivers superior absorption, targeted cognitive support and fast-acting benefits. We’ve supercharged brain function by adding 450 mg of high-purity phosphatidylcholine (PC) per serving—a vital phospholipid for neuronal membrane support and healthy neurotransmission. The powerful combination of Magtein + PC helps fuel cognition and neuroplasticity supporting long-term brain health. Elevate your mental game with Magtein + phospholipids delivered in a liposome—an unmatched formulation for brain performance and mental well-being.

  • Best taken daily. Take 5mL in the daytime and 10mL one hour before sleep for best results.
  • Hold in mouth for 30 - 90 seconds before swallowing.
  • Store product at room temperature.
  • If pregnant, breastfeeding, or taking prescription drugs, consult your healthcare practitioner before use.