Brand: Double Wood Supplements Features: Only Form of Magnesium able to Support Magnesium Levels in the Brain: Magtein is the only form of magnesium clinically proven to support magnesium levels in the brain Clinically Studied for Cognitive Health: Multiple clinical studies show Magnesium L Threonate can help support cognitive health Highly bioavailable form of Magnesium: L Threonate is a mineral chelating agent that is able to greatly enhance the bioavailability of magnesium making it highly absorbable Non-Gmo and Gluten Free: Double Wood's Magtein is gluten free and Non-GMO Manufactured in the USA and tested two times for safety and purity: Doublewood High Absorption Magnesium L Threonate Capsules are manufactured right here in the USA: Purity testing is available upon request Binding: Health and Beauty Part Number: DWMLT Details: Magnesium L-Threonate is among the most absorbable forms of Magnesium Pills. It is used to support memory, sleep quality, and to promote overall cognitive function (especially as one ages). Magnesium L-Threonate is patented under the name Magtein and has been clinically studied to raise magnesium levels in the brain and support cognitive function. Double Wood’s Magnesium L-Threonate supplement are Made / Tested in the USA, Non-GMO, Gluten Free. Each bottle contains 100 Capsules and each capsule contains 500mg of Magnesium L-Threonate. Each 4 capsule serving contains 500mg of Magnesium L-Threonate. Consult your physician before use: Known side effects of Magnesium Threonate include drowsiness, dizziness, heartburn, nausea, headaches, anxiety, insomnia, nightmares, skin irritation, redness, and rashes, constipation, nerve pain. Allergen Notice: Contains Rice Flour and may cause skin irritation, redness, or rashes. Do not take if you suffer from anxiety attacks. Do not take if you are on other medications without approval from your physician. EAN: 0866812000122 Package Dimensions: 3.9 x 2.1 x 2.0 inches