Magnesium L-Threonate
Dr. Mercola
Magnesium L-Threonate
4.8
★ ★ ★ ★ ★
(7421 ratings)
Magnesium 145 mg
Score 85
A premium, brain-specific magnesium form excellent for cognitive function, mood, and sleep, though it is more expensive and provides less elemental magnesium overall.
Quantity: 90 Capsule(s) • (30 servings)
Goals: flag Heart Health flag Anti-Aging flag Cardiovascular Support flag Digestive Health flag Fitness
leaderboard Score 85
A premium, brain-specific magnesium form excellent for cognitive function, mood, and sleep, though it is more expensive and provides less elemental magnesium overall.
insights Analysis
Magnesium L-Threonate stands out due to its unique capacity to cross the blood-brain barrier, making it the preferred choice for individuals targeting brain health, including memory, focus, anxiety, and sleep quality. While the elemental magnesium content (145mg) is lower than other forms, its superior delivery to the brain makes it highly effective for its intended purposes. Nutritionists and scientific literature support its efficacy for cognitive enhancement. However, its higher price per serving means it's not the most cost-effective solution for general systemic magnesium deficiency.
- Uniquely able to cross the blood-brain barrier effectively
- Highly effective for cognitive function, memory, and focus
- Excellent for mood support and stress relief targeting brain pathways
- Superior for improving sleep quality and depth
- High price per serving compared to other magnesium forms
- Lower elemental magnesium dose, less economical for general systemic deficiency
- Less emphasis on broad muscular or bone health benefits compared to other forms
$34.97($1.16 per serving)
 Walmart | $ 34.97 | |
 Amazon | $ 34.97 | |
 Pure Formulas | $ 35.00 | |
 iHerb | $ 38.50 | |
 Vitacost | $ 43.75 |
Ingredients
| Ingredient | Amount per serving |
|---|---|
Magnesium | 145 mg |
Magnesium L-Threonate | 2000 mg |
Categories
Magnesium 90
Represents a cutting-edge, patented form of magnesium with a unique mechanism of action for brain health, justifying its premium status and high effectiveness within the magnesium category.
Goals
Its ability to influence brain magnesium levels makes it exceptionally effective for reducing anxiety, calming the nervous system, and supporting stress resilience at a neurological level.
Directly impacts neurotransmitter function and neural plasticity in the brain, making it one of the most effective forms for improving mood and alleviating symptoms of anxiety and depression.
Uniquely effective at promoting deep and restorative sleep by specifically targeting brain magnesium levels, leading to better sleep architecture and overall quality.
90 Value 
Chelated Magnesium 133 mg
Swanson
4.8
★★★★★
(5354 ratings)
This product provides a highly bioavailable and gentle form of magnesium at an exceptionally low price per serving, offering outstanding value for overall magnesium repletion and relaxation benefits.
92 Value 
Magnesium Caps 500 mg
Life Extension
4.8
★★★★★
(71620 ratings)
Combines a very high elemental dose of a premium chelated magnesium with a remarkably low price per serving, making it an excellent value for comprehensive magnesium support for the body.
85 Value 
Target-Mins Magnesium Potassium Aspartate With Other Target-Mins Chelates
Country Life
4.7
★★★★★
(4315 ratings)
Offers a high dose of well-absorbed magnesium citrate at a very competitive price, providing great value for general magnesium benefits without the premium cost of L-Threonate.
90 Performance 
Chelated Magnesium
Bluebonnet
4.7
★★★★★
(6989 ratings)
While not brain-specific, bisglycinate is highly bioavailable for systemic effects and widely recommended for general stress, sleep, and muscle relaxation, offering a broader spectrum of benefits without the premium cost.
92 Performance
Magnesium Caps 500 mg
Life Extension
4.8
★★★★★
(71620 ratings)
Provides a much higher elemental dose of a highly absorbable magnesium chelate, making it potentially more effective for severe systemic deficiencies and broad general health improvements beyond just brain health.
80 Performance 
Magnesium & Calcium
NOW
4.8
★★★★★
(16706 ratings)
Offers a natural, broad-spectrum mineral complex including a high dose of magnesium (Aquamin TG), beneficial for comprehensive general health and bone support beyond magnesium alone, complementing a brain-specific form.
90 Budget
Chelated Magnesium 133 mg
Swanson
4.8
★★★★★
(5354 ratings)
Offers a highly bioavailable and gentle form of magnesium (bisglycinate) at a significantly lower price per serving, providing excellent value for general systemic benefits and relaxation.
92 Budget
Magnesium Caps 500 mg
Life Extension
4.8
★★★★★
(71620 ratings)
Delivers a high dose of another excellent chelated magnesium form (Lysyl Glycinate) at a vastly lower price per serving, providing superior absorption for general health needs.
85 Budget
Target-Mins Magnesium Potassium Aspartate With Other Target-Mins Chelates
Country Life
4.7
★★★★★
(4315 ratings)
Provides a well-absorbed magnesium citrate form at a much lower price per serving, making it a significantly more economical choice for overall magnesium supplementation for a broader range of goals.
90 Value
Chelated Magnesium 133 mg
Swanson
4.8
★★★★★
(5354 ratings)
This product provides a highly bioavailable and gentle form of magnesium at an exceptionally low price per serving, offering outstanding value for overall magnesium repletion and relaxation benefits.
92 Value
Magnesium Caps 500 mg
Life Extension
4.8
★★★★★
(71620 ratings)
Combines a very high elemental dose of a premium chelated magnesium with a remarkably low price per serving, making it an excellent value for comprehensive magnesium support for the body.
85 Value
Target-Mins Magnesium Potassium Aspartate With Other Target-Mins Chelates
Country Life
4.7
★★★★★
(4315 ratings)
Offers a high dose of well-absorbed magnesium citrate at a very competitive price, providing great value for general magnesium benefits without the premium cost of L-Threonate.
90 Performance
Chelated Magnesium
Bluebonnet
4.7
★★★★★
(6989 ratings)
While not brain-specific, bisglycinate is highly bioavailable for systemic effects and widely recommended for general stress, sleep, and muscle relaxation, offering a broader spectrum of benefits without the premium cost.
92 Performance
Magnesium Caps 500 mg
Life Extension
4.8
★★★★★
(71620 ratings)
Provides a much higher elemental dose of a highly absorbable magnesium chelate, making it potentially more effective for severe systemic deficiencies and broad general health improvements beyond just brain health.
80 Performance
Magnesium & Calcium
NOW
4.8
★★★★★
(16706 ratings)
Offers a natural, broad-spectrum mineral complex including a high dose of magnesium (Aquamin TG), beneficial for comprehensive general health and bone support beyond magnesium alone, complementing a brain-specific form.