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L-Theanine 100 mg

NOW
4.7
★ ★ ★ ★ ★
(16519 ratings)
Theanine 100 mg
Green Tea 250 mg
Product Image
Score92

A natural calming supplement that pairs L-theanine with decaf green tea for stress relief and focus.

How scoring works
Quantity:90 Capsule(s) • (90 servings)
Goals:
Sleep Support
Brain Health
Mental Focus
Stress Relief
Cognitive Support
Mood Support
Productivity Boost
Heart Health

Score 92

A natural calming supplement that pairs L-theanine with decaf green tea for stress relief and focus.

How scoring works
$12.70($0.14 per serving)
Pure Formulas
$ 13.08
iHerb
$ 13.46
Vitacost
$ 14.19
Daily Vita
$ 12.70
Amazon
$ 12.70
iHerb
$ 13.46
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Analysis

This product provides 100mg of L-theanine, an amino acid that supports alpha brain wave activity for relaxed alertness. It is paired with decaffeinated green tea to provide tea polyphenols without the stimulation of caffeine.

This combination is a great fit for someone who wants to manage daily stress while staying mentally sharp. It is an affordable and straightforward option for a wide range of health goals, from focus to heart support.

Pros

  • Provides clean L-theanine for calm
  • Completely decaffeinated green tea base
  • Very affordable price point
  • Supports focus without the jitters

Cons

  • Green tea is a simple powder, not a high-potency extract
  • Dose may be too low for intense stress

Warnings

  • Generally well-tolerated at any time of day

Nutrient quality

87 Highest impact

Utilization of L-theanine in a pure form reflects a focus on a well-absorbed and effective amino acid. Use of decaffeinated green tea ensures the calming benefits of tea are delivered without unwanted stimulation.

Ingredient transparency

93 Highest impact

Labeling provides specific quantities for active ingredients and clearly indicates the decaffeinated status of the green tea. Clear disclosure of all components allows for an accurate assessment of the formula's utility.

Customer satisfaction

94 Highest impact

Massive review volume and high average rating indicate an exceptionally reliable and popular product. Consistency in feedback regarding stress relief and mental focus reinforces the intended health outcomes.

Value for money

93 Highest impact

Extremely competitive cost per serving makes this one of the highest value options in its category. Simple yet effective formula design provides robust support for a very affordable price.

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Goals

Sleep Support
Impact
Highest effect
A Goal FitA+ Strength of SupportB- CoverageA+ Formula Quality

L-theanine and green tea extract provide targeted support for inducing mental relaxation without causing significant drowsiness. This botanical formula appears well aligned with reducing the stress that can interfere with sleep quality.

L-theanine may contribute to improved evening calm and a faster transition to rest. A 100mg dose supports a restful mental state while avoiding unnecessary additives.

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Stress Relief
Impact
Highest effect
A Goal FitA- Strength of SupportB- CoverageA+ Formula Quality

This botanical blend pairs L-Theanine with decaffeinated Green Tea extract to support relaxation and mental focus. It appears well aligned for individuals seeking to manage daily stress without the jittery effects of caffeine.

The 100 mg dose of L-Theanine supports alpha-wave activity for a state of relaxed alertness. The inclusion of green tea polyphenols provides complementary antioxidant support for general neurological health.

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Brain Health
Impact
Highest effect
A Goal FitA- Strength of SupportB- CoverageA+ Formula Quality

L-theanine and decaffeinated green tea are combined to support focused alertness and mental calm. A 100mg dose of L-theanine appears well aligned with promoting relaxation without daytime drowsiness.

L-theanine supports the production of alpha brain waves, which are associated with a state of relaxed focus. Including decaffeinated green tea provides additional antioxidant support for neuroprotection without the stimulant effects of caffeine.

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Mental Focus
Impact
Highest effect
A Goal FitA- Strength of SupportB- CoverageA+ Formula Quality

L-theanine and decaffeinated green tea extract work together to promote a state of calm alertness by inducing alpha brain waves. These specific ingredients are effective for maintaining focus while reducing the jitters associated with stimulants.

A dose of 100mg of theanine provides a meaningful baseline for cognitive clarity and relaxation. This targeted approach targets the primary biological pathways for focus through a traditional botanical synergy.

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Mood Support
Impact
Highest effect
A- Goal FitB+ Strength of SupportB CoverageA+ Formula Quality

L-theanine and decaffeinated green tea extract are paired to provide the cognitive benefits of tea without the stimulatory effects of caffeine. This combination appears well-aligned with goals for relaxation and sharpened mental focus.

The 100mg dose of theanine is a standard serving for promoting alpha-wave activity and calm. Decaffeinated green tea provides a natural source of polyphenols that may contribute to overall brain health.

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Cognitive Support
Impact
Highest effect
A Goal FitA- Strength of SupportC+ CoverageA+ Formula Quality

Inclusion of L-theanine supports the production of alpha brain waves for a state of calm and focused attention. This amino acid appears well aligned with reducing the impact of stress on acute cognitive performance.

Meaningful dosages of decaffeinated green tea provide additional antioxidant support for neural tissues. The combination may contribute to improved focus and relaxation without the risk of stimulant-related jitters.

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Ingredients

IngredientAmount per serving
L-Theanine
100 mg
decaffeinated Green Tea
250 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
Theanine · 100 mg OverallScore92
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
This product pairs L-Theanine with decaffeinated green tea extract to provide the benefits of tea without the jitters. It is a simple, natural approach to relaxation that stays close to its botanical roots.
View ingredientView products
Green Tea · 250 mg OverallScore24
F Active Ingredient Quality & BioavailabilityD- Dose, Safety & Label TransparencyF Value
This formula combines L-Theanine with decaffeinated green tea powder. While it provides excellent transparency regarding its decaffeinated status, its tea potency is low due to the use of unstandardized leaf powder.
View ingredientView products
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