#1 of 1 in its comparison group
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Supplement
NOW Foods L-Theanine 200mg, 180 Veg Capsules
NOW Foods
| Format | Supplement |
|---|---|
| Net weight | — |
| Servings per package | 180 |
| Caffeine per serving | — |
| Origin | — |
| Certifications | Non-GMO, Vegetarian |
| Ingredients | L-theanine 200mg, inositol 100mg per capsule |
| Steep time | — |
| Water temperature | — |
Amazon Best Sellers Rank
Best Sellers Rank: #6,282 in Health & Household (See Top 100 in Health & Household)
Sales rank is shown for context only — it never affects Our Score. Checked 2026-09-20.
Pros
- 4.8★ — the highest-rated specimen in this entire catalog
- 200mg of L-theanine per capsule — the same calming amino acid naturally found in guayusa, isolated at a much higher dose
- Vegetarian and Non-GMO
- Amazon's Choice
Cons
- A supplement capsule, not a beverage — doesn't replace the ritual of brewing tea
- No caffeine of its own; pair with a caffeinated tea for the classic 'clean energy' combo
Ideal for: Someone who wants extra L-theanine on top of their guayusa — for example, a capsule alongside a strong cup for extra smoothing of the caffeine curve.
925 ratings averaging 4.8★ — reviewers report a noticeably calmer, more focused feeling.
Full profile — added and verified directly on the live Amazon listing 2026-09-14.