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HEAD-TO-HEAD · UPDATED 2026-10-18

NOW Foods L-Theanine 200mg (120ct) vs Sports Research L-Theanine 200mg

Spec-based scoring, dimension-by-dimension verdicts, and honest deal breakers. Total cost of ownership over 3 years included.

NOW Foods L-Theanine 200mg 120-count bottle
NOW Foods
NOW Foods L-Theanine 200mg (120ct)
$15.78
(Amazon price as of – Details)
Sports Research L-Theanine 200mg
Sports Research
Sports Research L-Theanine 200mg
$19.95
(Amazon price as of – Details)
VS
Our pick · overall

NOW Foods L-Theanine 200mg (120ct)

Wins on editor score (8.4/10 vs 7.9/10) and long-term value. Best for: Theanine at the lowest cost per capsule.

$15.78 (Amazon price as of – Details)vs $19.95 (Amazon price as of – Details)
Shop NOW Foods at best price ↗Full NOW Foods review →

Side by side

Spec-by-spec comparison

SpecNOW FoodsSports Research
Best price today$15.78 (Amazon price as of – Details)wins$19.95 (Amazon price as of – Details)
Editor score8.4/10wins7.9/10
Shopper rating4.7 (12,840)wins4.6 (15,000)
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Where to buy

Best prices right now

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)
Shop at Amazon ↗Full review →
Sports Research L-Theanine 200mg

Sports Research L-Theanine 200mg

Sports Research

$19.95
(Amazon price as of – Details)
Shop at Amazon ↗Full review →

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