HEAD-TO-HEAD · UPDATED 2026-07-03 · TESTED 51 NIGHTS
Life Extension Neuro-Mag Magnesium L-Threonate vs Doctor's Best High Absorption Magnesium Glycinate 200mg (240ct)
Hands-on testing, dimension-by-dimension verdicts, and honest deal breakers. Total cost of ownership over 3 years included.
Life Extension
Life Extension Neuro-Mag Magnesium L-Threonate
$30.38
Doctor's Best
Doctor's Best High Absorption Magnesium Glycinate 200mg (240ct)
$19.99
VS
Six-dimension score
How they compare across every dimension
Life Extension Neuro-Mag Magnesium L-Threonate
Doctor's Best High Absorption Magnesium Glycinate 200mg (240ct)
Sleep tracking0·5
Battery0·10
Comfort8·8
App + UX0·5
Value6·10
Insights0·5
Our pick · overall
Doctor's Best High Absorption Magnesium Glycinate 200mg (240ct)
Wins on editor score (9/10 vs 8.1/10) and long-term value. Best for: Restless legs, muscle tension, anxiety-driven insomnia, athletes.
$19.99vs $30.38
Side by side
Spec-by-spec comparison
| Spec | Life Extension | Doctor's Best |
|---|---|---|
| Best price today | $30.38 | $19.99wins |
| MSRP | $40.50 | $24.99wins |
| Editor score | 8.1/10 | 9/10wins |
| User rating | 4.4 (12,000) | 4.7 (62,430)wins |
| Subscription | None | None |
| Editor tested | 21 nights | 30 nightswins |
Where to buy
Best prices right now
Life Extension Neuro-Mag Magnesium L-Threonate
Life Extension
$30.38
Doctor's Best High Absorption Magnesium Glycinate 200mg (240ct)
Doctor's Best
$19.99