HEAD-TO-HEAD · UPDATED 2026-07-03 · TESTED 42 NIGHTS
Life Extension Neuro-Mag Magnesium L-Threonate vs NOW Magnesium Citrate 200mg
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
NOW Foods
NOW Magnesium Citrate 200mg
$11.09
VS
Six-dimension score
How they compare across every dimension
Life Extension Neuro-Mag Magnesium L-Threonate
NOW Magnesium Citrate 200mg
Sleep tracking0·0
Battery0·0
Comfort8·7
App + UX0·0
Value6·9
Insights0·0
Our pick · overall
Life Extension Neuro-Mag Magnesium L-Threonate
Wins on editor score (8.1/10 vs 7.7/10) and long-term value. Best for: Racing-mind sleeplessness, cognitive-focused users.
$30.38vs $11.09
Side by side
Spec-by-spec comparison
| Spec | Life Extension | NOW Magnesium |
|---|---|---|
| Best price today | $30.38 | $11.09wins |
| MSRP | $40.50 | $14.99wins |
| Editor score | 8.1/10wins | 7.7/10 |
| User rating | 4.4 (12,000) | 4.6 (17,000)wins |
| Subscription | None | None |
| Editor tested | 21 nights | 21 nights |
Where to buy
Best prices right now
Life Extension Neuro-Mag Magnesium L-Threonate
Life Extension
$30.38
NOW Magnesium Citrate 200mg
NOW Foods
$11.09
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