Source Naturals Magtein Magnesium L-Threonate, 667mg, Supports Focus, Mood, Healthy Memory, Cognitive Function - 180 Capsules
- MAGTEIN BENEFITS. Known to increase resilience to stress, lift mood, raise your energy levels, improve concentration and focus and reformation of sleep quality.
- BENEFITS COGNITIVE ABILITY. There are 4 aspects of cognitive ability that they were positively effected by taking Magtein, episodic memory, working memory, executive function, and attention.
- EXCELLENT SOURCE OF MAGNESIUM L THREONATE. There are countless ways to get other forms of magnesium naturally in your diet, but food sources of magnesium L threonate do not exist because it’s a synthesized form.
- OVER 40 YEARS OF TRUST. Source Naturals was created in 1982 by CEO Ira Goldberg to support each individual's potential to enjoy optimal health.
- MANUFACTURED IN THE USA. Manufactured in Scotts Valley, CA, under the Good Manufacturing Practices (cGMPs) established by the US Food and Drug Administration. (FDA)
| Expiry Date | Aug 2027 |
| Primary Supplement Type | Magnesium |
| Flavor | Unflavor |
| Item Form | Capsule |
| Ingredients | Magtein® (magnesium L-Threonate) |
| Product Type | Mineral Supplement |
| Unit Count | 180.0 Count |
| Brand | Source Naturals |
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SKU |
BRSWIEYRC4DGO2LK |
Category |
Vitamins, Minerals & Supplements , Minerals , Magnesium |
Tags |
Important information
Safety Information
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. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Ingredients
Magtein® (magnesium l-threonate)
Directions
Suggested Use: 3 capsules daily, preferably in divided doses. Start with 1 capsule daily and gradually increase to 3 capsules daily.
Legal Disclaimer
Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
Product Dimensions
1.3 x 1.3 x 1.6 inches; 1.6 ounces
Shipping & Delivery
At Nutricity, we aim to deliver your order as quickly and safely as possible.
Domestic Shipping :
Orders are typically delivered within 3–6 business days.
International Shipping:
Estimated delivery time is 12–26 business days, depending on the destination and customs processing.
You will receive a tracking number once your order has been dispatched. Delivery times may vary during holidays or due to unforeseen delays.









