HEAD-TO-HEAD · UPDATED 2026-07-01 · TESTED 60 NIGHTS

Doctor's Best High Absorption Magnesium Glycinate 200mg (240ct) vs NOW Foods L-Theanine 200mg (120ct)

Hands-on testing, dimension-by-dimension verdicts, and honest deal breakers. Total cost of ownership over 3 years included.

Doctor's Best magnesium glycinate 200mg 240-count bottle
Doctor's Best
Doctor's Best High Absorption Magnesium Glycinate 200mg (240ct)
$19.99
NOW Foods L-Theanine 200mg 120-count bottle
NOW Foods
NOW Foods L-Theanine 200mg (120ct)
$16.99
VS

Six-dimension score

How they compare across every dimension

Sleep trackingBatteryComfortApp + UXValueInsights
Doctor's Best High Absorption Magnesium Glycinate 200mg (240ct)
NOW Foods L-Theanine 200mg (120ct)
Sleep tracking5·5
Battery10·10
Comfort8·9
App + UX5·5
Value10·10
Insights5·5
Our pick · overall

Doctor's Best High Absorption Magnesium Glycinate 200mg (240ct)

Wins on editor score (9/10 vs 8.4/10) and long-term value. Best for: Restless legs, muscle tension, anxiety-driven insomnia, athletes.

$19.99vs $16.99

Side by side

Spec-by-spec comparison

SpecDoctor's BestNOW Foods
Best price today$19.99$16.99wins
MSRP$24.99$21.99wins
Editor score9/10wins8.4/10
User rating4.7 (62,430)4.7 (12,840)
SubscriptionNoneNone
Editor tested30 nights30 nights

Where to buy

Best prices right now

Doctor's Best magnesium glycinate 200mg 240-count bottle

Doctor's Best High Absorption Magnesium Glycinate 200mg (240ct)

Doctor's Best

$19.99
NOW Foods L-Theanine 200mg 120-count bottle

NOW Foods L-Theanine 200mg (120ct)

NOW Foods

$16.99