HEAD-TO-HEAD · UPDATED 2026-07-03 · TESTED 42 NIGHTS
NOW Magnesium Citrate 200mg vs Life Extension Neuro-Mag Magnesium L-Threonate
Hands-on testing, dimension-by-dimension verdicts, and honest deal breakers. Total cost of ownership over 3 years included.
NOW Foods
NOW Magnesium Citrate 200mg
$11.09
Life Extension
Life Extension Neuro-Mag Magnesium L-Threonate
$30.38
VS
Six-dimension score
How they compare across every dimension
NOW Magnesium Citrate 200mg
Life Extension Neuro-Mag Magnesium L-Threonate
Sleep tracking0·0
Battery0·0
Comfort7·8
App + UX0·0
Value9·6
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 | NOW Magnesium | Life Extension |
|---|---|---|
| Best price today | $11.09wins | $30.38 |
| MSRP | $14.99wins | $40.50 |
| Editor score | 7.7/10 | 8.1/10wins |
| User rating | 4.6 (17,000)wins | 4.4 (12,000) |
| Subscription | None | None |
| Editor tested | 21 nights | 21 nights |
Where to buy
Best prices right now
NOW Magnesium Citrate 200mg
NOW Foods
$11.09
Life Extension Neuro-Mag Magnesium L-Threonate
Life Extension
$30.38
Keep comparing