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Magnesium L-Threonate
Momentous uses Magtein® Magnesium L-Threonate, the only form of magnesium shown to effectively cross the blood-brain barrier and support brain health.
It helps with sleep quality, memory, and cognitive function without the digestive issues that come with other forms of magnesium. Take it about 30-60 minutes before bed, and it helps your brain actually calm down for quality rest.
It’s ideal for individuals looking to improve focus, reduce stress, and support deep, restorative sleep without sedation.
HSA/FSA eligible
Buy this with your HSA/FSA.
Look for our sticker on eligible items!
Learn how to pay with HSA/FSA145mg Magtein® Magnesium L-Threonate per serving
Only magnesium form shown to cross blood-brain barrier
Supports sleep quality and cognitive function
NSF Certified for Sport
Take 1-2 capsules before bed
"Great for sleep and cognitive support. I notice better focus during the day and deeper sleep at night."
Momentous
Elite‑level supplements trusted by pros and weekend warriors alike.
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