Subscribe & Save an extra 20% off

Free shipping on all US orders

Welcome Joe Rogan Experience listeners!

Use code JRE to get 30% off Magtein (Magnesium L-Threonate), our best selling magnesium supplement that supports overall brain health, memory and better sleep!

Shop Now

Better Magnesium. Better Brain.

What is Magtein?

Magtein, Magnesium L-Threonate is the only bioavailable magnesium brain health ingredient that has been demonstrated to work by crossing the blood-brain barrier improving brain and mental health.

Magnesium L-Threonate (Magtein) Supplement

$ 29.95

Key Benefits
  • Highly Bioavailable Magnesium: Magnesium L-Threonate is uniquely formulated as a mineral chelating agent, enabling it to efficiently cross the blood-brain barrier and deliver elemental magnesium directly to the brain.
  • Supports Cognitive Health: Research demonstrates that Magnesium L-Threonate effectively increases brain magnesium levels, which is essential for maintaining and enhancing cognitive functions.
  • Enhances Sleep Quality: By promoting relaxation and supporting brain health, Magnesium L-Threonate may also contribute to healthier sleep patterns, helping you achieve more restful and rejuvenating sleep.

Recommended Usage

When taken as a supplement, we recommend a daily dosage of 1000 – 2000 mg. (2-4 capsules.) It is not recommended to exceed 2000 mg per day. One full 2000 mg dose of Magnesium Threonate contains 144 mg of elemental magnesium.

Full details
Double Wood Supplements Capsules in hand

Rooted in Science,
Grounded in Transparency

We are guided by two cornerstones: transparency and a strong commitment to science — by publicizing ingredient test results so you can be confident that you’re taking the best. Because when you’re rooted in science, wellness grows.

What Our Customers Say

I love this product Magtein. I love all the benefits this supplies. Rest, relief of leg cramps and it helps in constipation. I highly recommend this!

Kimberly J.

Magnesium L-Threonate (Magtein)

Double Wood always delivers. Their magnesium helps my mind relax before sleep or through high mental workload.

Henry K.

Magnesium L-Threonate (Magtein)

The order process, pricing, and delivery were great. After 5 days of taking 2 Magtein capsules/day, late evening, (recommended) I was impressed with how much more relaxed I felt at bedtime.

Don P.

Magnesium L-Threonate (Magtein)

Featured In