“Customers generally express satisfaction with the Magnesium L-Threonate supplement, highlighting its effectiveness in enhancing cognitive function, mental clarity, and relaxation. Many users report improved sleep quality when taken before bedtime. The product is praised for its high-quality ingredients, reasonable size, and good value compared to other brands. It is noted for crossing the blood-brain barrier, which supports memory and cognition. Some customers appreciate the attractive packaging and reliable delivery service from iHerb. However, a few users mention experiencing side effects like drowsiness or insomnia and suggest trying a smaller bottle initially to test for adverse reactions. While some find it expensive compared to alternatives like Glycinate, others believe the benefits justify the cost. Overall, customer experiences are positive with many planning to repurchase despite mixed opinions on price.”