Life Extension Neuro-Mag Magnesium L-Threonate
Brand: Life Extension · Form: CAPSULE [E0159] On Market
Our assessment
The evidence shows that Life Extension Neuro-Mag Magnesium L-Threonate is a specialized form of magnesium designed to support cognitive function. Our assessment is based on the ingredient calcium, as no specific data for magnesium L-threonate was provided. For a general audience seeking brain health support, this product offers a targeted delivery system, but you should be aware of the calcium content and its associated risks.
How it works
Think of calcium as a dual-role mineral. It supports bone mineralization and neuromuscular relaxation [NIH ODS]. However, the provided data does not include specific mechanisms for magnesium L-threonate. If you are taking this for brain health, note that the calcium in the formula may interfere with the intended effects of magnesium by competing for absorption.
Safety profile
Data not available for magnesium L-threonate specifically. For the ingredient calcium, high intakes may increase the risk of heart disease and prostate cancer [NIH ODS]. FDA received 592,059 total adverse event reports across all supplements, but no specific report count for this product is available. Side effects of excessive calcium include constipation, nausea, weight loss, extreme tiredness, frequent urination, abnormal heart rhythms, and a high risk of death from heart disease [FDA data][NIH ODS]. Calcium can also reduce the absorption of bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].
Our recommendation
Data not available to provide a specific dosage for magnesium L-threonate. We recommend you start with a low dose and monitor for digestive discomfort. Because calcium can interact with medications, consult your doctor if you take antibiotics or thyroid medication. Choose this product only if you have confirmed low magnesium levels and need a form that crosses the blood-brain barrier, but be cautious of the calcium content.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Life Extension |
|---|---|
| Serving Size | |
| Contents | 90.0 Vegetarian Capsule(s) |
| Market Status | On Market |
How to Read This Label
Supplement labels contain several key sections regulated by the FDA:
- Serving Size — The recommended amount per dose. Always check this — some products require multiple capsules per serving.
- Amount Per Serving — Shows the quantity of each nutrient in the product, typically in IU (International Units), mg (milligrams), or mcg (micrograms).
- % Daily Value (%DV) — Indicates how much a nutrient in a serving contributes to a daily diet. 5% DV or less is low; 20% DV or more is high.
- Other Ingredients — Lists inactive ingredients like fillers, binders, and capsule materials (e.g., gelatin, cellulose, magnesium stearate).
- Suggested Use — The manufacturer's recommended directions for taking the supplement, including timing and dosage.
Source: FDA Dietary Supplement Labeling Guide