Sports Research Magtein Magnesium L-Threonate delivers superior brain support.* This unique formula utilizes Magtein®, a patented magnesium L-threonate complex developed by MIT researchers, designed to effectively cross the blood-brain barrier and increase brain magnesium levels.* Unlike other magnesium forms, Magtein® supports cognitive function, including memory, focus, learning, mood, and sleep quality.* Each easily digestible vegetarian capsule contains 2114mg ±10% of magnesium L-threonate, a highly bioavailable form created by combining magnesium with L-threonate, a metabolite of vitamin C.
Store in a cool, dry place below 25°C (77°F) and relative humidity not exceeding 75%. Protect from freezing and direct sunlight. Keep out of reach of children.
Individual intolerance to components, pregnancy, breastfeeding.
*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.
US: temporary delays — postal services aligning new import rules, 
EU: 1–2 weeks, 🌍 Worldwide: 1–4 weeks ✈️