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Magtein Description from Source Naturals
Magnesium (Mg) plays an essential role in supporting cognitive function and brain health. Preliminary research suggests that Magtein (magnesium L-threonate) may provide more magnesium to the brain than other forms of magnesium. In preclinical studies, Magtein was shown to support healthy memory and learning as well as healthy brain synapse density in regions of the brain associated with memory. These preclinical findings have now been validated by a clinical study showing positive results in tests of overall cognitive ability after 12 weeks use of magnesium threonate.

Supplement Facts
Serving Size: 3 capsules
Servings Per Container: 60
Ingredient Amount % Daily Value**
Calories 10
Magnesium (as magnesium L-threonate) 144mg 34
Magtein (magnesium L-threonate) 2g
 
** Percent Daily Value is based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
† Daily Value not established.

Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no preservatives, or artificial color, flavor or fragrance.

Ingredients:
Other ingredients: gelatin (capsule), maltodextrin, silica, and magnesium stearate.

Manufacturer's Directions
3 capsules daily, preferably in divided doses. Start with 1 capsule daily and gradually increase to 3 capsules daily.

Manufacturer's Disclaimer
Not recommended for use by children or women who are pregnant, may become pregnant, or breastfeeding. If you are taking any prescription drugs, consult your health care professional before using this product.
STORE IN A COOL, DRY PLACE.
Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children.