Magtein, Magnesium L-Threonate, 667 mg, 180 Capsules - Source Naturals

Magtein Magnesium L-Threonate helps boost brain magnesium to support memory and cognitive clarity, and Source Naturals backs it with trusted quality and long standing expertise. The star ingredient magnesium l threonate crosses the blood brain barrier, delivering magnesium where it matters for learning and memory. Source Naturals has a long heritage dating back to the 1980s, with GMP quality and transparent, consistent manufacturing.

Available Sizes & Variants:

180 capsules – Brain support supplement for daily use.

Benefits & Features:

• Supports memory and cognitive clarity.
• Star ingredient magnesium l threonate crosses the blood brain barrier to raise brain magnesium.
• Long lasting formula supports daily cognitive function and mental clarity as brain magnesium levels rise, backed by rigorous manufacturing standards that Source Naturals upholds through GMP practices.
• Intended for daily use with a straightforward routine, helping you stay sharp through busy days.
• Magnesium glycinate products focus on general body health, while this magnesium supplement targets brain support.

From its early days in the 1980s, Source Naturals has built a reputation for transparent ingredients and consistent manufacturing. Magtein, the branded magnesium l threonate, is designed to elevate brain magnesium to support learning and memory, with GMP quality and third party testing for purity and potency. The brand champions practical science and reliability, helping you feel confident in a magnesium supplement that puts brain health first.