Magnesium L Threonate, Magtein – NSF Certified – Sleep and Cognitive Support High Absorption Most Bioavailable Form of Magnesium 2,000 mg 120 Capsules

Customers report that the magnesium supplement helps them relax and sleep better, with one noting it works right away. The product receives positive feedback for its high-quality ingredients and effectiveness, particularly for anxiety relief and brain health, with one customer mentioning it passes the blood-brain barrier according to research. While some customers find it an excellent value, others consider it very expensive, and experiences with side effects are mixed, with some reporting no stomach issues while others experience diarrhea.