SmartMag Magtein ® Magnesium L-Threonate
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Magnesium made for your mind: Magnesium is involved in over 300 enzymatic reactions in the body, making it essential to get enough—in the right form. MagteinⓇ Magnesium L-Threonate is a unique clinically studied form that supports brain health and function.*
- Delivers 2 g of magnesium L-Threonate (MagteinⓇ) per serving to support brain health and function*
- Magnesium helps maintain healthy muscles, bones, teeth, and supports relaxation*
- MagteinⓇ is a distinctive form of magnesium with unique properties
- Three VegCaps per serving
Ingredients
Ingredients
Magnesium (from 2,000 mg Magtein® Magnesium L-Threonate), Vegetable Cellulose Capsule, Stearic Acid, Cellulose, Silica
Directions
Directions
Use only as directed. Take 3 capsules daily. For best results take in divided doses, 1 capsule in the morning and 2 capsules two hours before sleep. Store in a cool, dry place.

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Quality at Our Core
Since 1973, Solaray has believed that what you put in your body should be proven, not promised.
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Superior Sourcing
We source our own raw materials and triple-test every lot.
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Excellence Start to Finish
We manufacture 95% of our products for full control.
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Tests That Earn Your Trust
15,000 tests per month verify ingredient potency and purity.^

Trust Built On Testing. Every Time.
In an industry where quality can vary widely, testing isn't just a step in the process. It is the process.
✅ Passed Testing for Heavy Metals**
Arsenic, cadmium, lead, mercury
✅ Passed Testing for Microbials**
Mold, yeast, coliform, e. Coli
✅ Passed Testing for Contaminants**
Gluten, ethylene oxide
✅ Passed Testing for Physical Properties
Moisture, color, disintegration, tap density, mesh 140, 20, and 60
**Most contaminants, heavy metals, and microbes are tested to ensure no more than 3 ppm.

Made in Utah with Global Ingredients.
Our production facility in Ogden, Utah is a GMP facility certified by NSF. We source and triple-test raw materials, make the majority of our products in-house, conduct stringent testing in our ISO-accredited lab, and distribute our own products to ensure quality and excellence in every bottle.
Disclaimer: The customer reviews and testimonials featured on this site reflect individual experiences and opinions. Results may vary and are not guaranteed. These statements have not been evaluated by the Food and Drug Administration (FDA). The content is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare professional before starting any new supplement regimen or if you have concerns about your health.
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.