Dr. Mercola Magnesium L-Threonate

Overview

Dr. Mercola Magnesium L-Threonate is a dietary supplement built around magnesium L-threonate, the form identified on the label as Magtein®. It is presented as a magnesium product with enhanced bioavailability and is positioned to support bone and joint comfort as well as detoxification support.

The manufacturer highlights this magnesium form for its absorption characteristics and its ability to cross the blood-brain barrier. According to the product description, it is the only magnesium compound shown to raise magnesium levels in the brain while also supporting other functions throughout the body. The formula comes in capsule form and the container holds 90 capsules.

This supplement is designed for adult use and provides a specific daily schedule that splits the dose between mid-day and nighttime. That structure sets it apart from standard magnesium products that are often taken all at once.

Key Features & Benefits

• Contains magnesium L-threonate, identified on the label as Magtein®.
• Formulated as a dietary supplement for adults.
• Provides support for bone and joint comfort.
• Includes magnesium in a form described as highly absorbable.
• Highlighted for its ability to cross the blood-brain barrier.
• Designed to help raise magnesium levels in the brain.
• Supports detoxification functions in the body.
• Supplied as capsules for daily use.
• Container includes 90 capsules.

Specifications

• Brand: Dr. Mercola
• Product name: Magnesium L-Threonate
• Supplement type: Dietary supplement
• Active ingredient: Magnesium L-threonate
• Branded ingredient: Magtein®
• Dosage form: Capsule
• Package quantity: 90 count
• Intended use: Supports bone and joint comfort, detoxification support, and brain magnesium levels

Suggested Use

Adults should take three capsules daily as a dietary supplement. The directions call for one capsule at mid-day and two capsules at night, taken about two hours before bedtime.

Other Ingredients

Capsule (hydroxypropyl methylcellulose), microcrystalline cellulose, ascorbyl palmitate, and hydroxypropyl cellulose.

Warnings

• Keep out of reach of children.
• Do not use if the safety seal is broken.
• If you are nursing, pregnant, taking medication, or have a medical condition, consult a physician before using this product.

Closing Summary

Dr. Mercola Magnesium L-Threonate is an adult dietary supplement centered on magnesium L-threonate in capsule form. Its distinguishing feature is the Magtein® form, which is described as highly bioavailable and capable of crossing the blood-brain barrier, while supporting bone and joint comfort and detoxification functions.