HEAD-TO-HEAD · UPDATED 2026-10-18

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

Spec-based scoring, 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)
$23.99
(Amazon price as of – Details)
NOW Foods L-Theanine 200mg 120-count bottle
NOW Foods
NOW Foods L-Theanine 200mg (120ct)
$15.78
(Amazon price as of – Details)
VS
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: Value-focused buyers, athletes.

$23.99 (Amazon price as of – Details)vs $15.78 (Amazon price as of – Details)

Side by side

Spec-by-spec comparison

SpecDoctor's BestNOW Foods
Best price today$23.99 (Amazon price as of – Details)$15.78 (Amazon price as of – Details)wins
Editor score9/10wins8.4/10
Shopper rating4.7 (62,430)4.7 (12,840)
SubscriptionNoneNone
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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

$23.99
(Amazon price as of – Details)
NOW Foods L-Theanine 200mg 120-count bottle

NOW Foods L-Theanine 200mg (120ct)

NOW Foods

$15.78$25.99
(Amazon price as of – Details)