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L-Theanine 200 mg Double Strength

Swanson
4.7
★ ★ ★ ★ ★
(500 ratings)
Theanine 200 mg
Product Image
Score96

A high-potency 200mg Suntheanine veggie cap for serious stress and focus support.

How scoring works
Quantity:60 Veggie Cap(s) • (60 servings)
Goals:
Stress Relief
Mental Focus
Mood Support
Sleep Support
Brain Health
Productivity Boost
Cognitive Support

Score 96

A high-potency 200mg Suntheanine veggie cap for serious stress and focus support.

How scoring works
$22.59($0.37 per serving)
Amazon
$ 22.59
iHerb
$ 25.49
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Analysis

With 200mg of branded Suntheanine per veggie cap, this product provides a clinical dose for relaxation and focus. Suntheanine is recognized for its purity, ensuring you get consistent support for a calm mind.

This double-strength formula is especially helpful for improving sleep quality or managing sharp spikes in daily stress. It is a clean and effective tool for those who prioritize ingredient sourcing.

Pros

  • Clinical-strength 200mg dose
  • Branded Suntheanine for purity
  • Vegetarian-friendly capsules
  • Great value for a branded form

Cons

  • Higher potency might be too much for some
  • Bottle only contains 60 servings
  • Simple ingredient profile

Warnings

  • May cause mild grogginess
  • Consult a professional if on medications
  • Store in a cool, dry place

Nutrient quality

98 Highest impact

Utilization of Suntheanine ensures consistent quality and isomer purity in every capsule. The 200mg dose is highly meaningful for achieving measurable effects on mental relaxation.

Ingredient transparency

100 Highest impact

Active ingredients and dosages are clearly disclosed with no hidden proprietary blends. The veggie capsule format and non-active components are fully listed for clarity.

Customer satisfaction

93 Highest impact

Strong user ratings across hundreds of reviews suggest the product is effective and reliable. Feedback consistently highlights its usefulness for mental calm without causing drowsiness.

Value for money

90 Highest impact

Pricing is competitive for a branded Suntheanine supplement in a veggie capsule format. It offers a strong balance of high-quality material and accessible cost per serving.

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Goals

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

Suntheanine L-Theanine provides a high-purity form of this amino acid, which is clinically known to promote a state of relaxed alertness and mental clarity. By inducing alpha brain wave activity, it helps reduce the psychological impact of acute stress without causing drowsiness.

This double-strength formula provides 200mg, which is the optimal therapeutic dose for noticeable stress-relief effects. It appears well aligned for users seeking a clean, high-potency supplement for focused calm during demanding situations.

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

Suntheanine L-theanine promotes alpha brain wave activity to support a state of calm alertness. This specific branded form is highly regarded for its purity and consistent clinical performance in focus-related tasks.

Providing 200mg per serving, this supplement offers a therapeutic dose that may contribute to improved attention without drowsiness. It is a streamlined option for those seeking a highly targeted nootropic effect.

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

Suntheanine L-Theanine is pointed out for its exceptional purity and research-backed ability to support relaxation and a stable mood. The 200 mg double-strength dose is ideal for managing significant stress without inducing daytime sleepiness.

This amino acid promotes a calm and alert mental state by supporting healthy alpha-wave activity in the brain. The simple vegetable capsule format ensures a clean and effective delivery of this high-quality active ingredient.

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

L-Theanine in the premium Suntheanine form supports mental relaxation by promoting alpha brain wave activity.

A 200mg dose appears well aligned with reducing sleep latency and improving the quality of rest without sedation.

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

Contains 200 mg of Suntheanine, reaching the upper therapeutic range for promoting mental focus and relaxation without causing fatigue. This high-purity branded form is clinically supported for its ability to enhance mental clarity through alpha wave modulation.

Utilizing a research-backed branded source ensures a high concentration of the biologically active L-isomer for maximum effectiveness. This single-ingredient capsule is highly aligned for individuals seeking focused stress relief and improved cognitive performance.

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Productivity Boost
Impact
Highest effect
A+ Goal FitA+ Strength of SupportC CoverageA+ Formula Quality

Suntheanine branded L-Theanine is provided in a 200mg veggie capsule to support relaxed wakefulness. This amino acid is specifically targeted for its role in enhancing mental clarity.

The 200mg dose represents a potent therapeutic amount for focus support. Branded Suntheanine ensures high-purity L-isomer for consistent and reliable biological activity.

View goal →
Cognitive Support
Impact
Highest effect
A+ Goal FitA+ Strength of SupportC CoverageA+ Formula Quality

Suntheanine L-theanine is provided at a 200mg double-strength dose to support a state of calm focus and promote alpha brain wave activity. This branded form of theanine is recognized for its high purity and consistent performance in supporting mental clarity.

Selection of this ingredient appears perfectly aligned with the cognitive support goal. The use of a clinically appropriate dose and highly reliable form makes this a focused choice for individuals seeking to manage focus and stress.

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Ingredients

IngredientAmount per serving
Suntheanine L-Theanine
200 mg
Adults 18–50
Report overview
Theanine · 200 mg OverallScore96
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value
Swanson's double-strength formula provides 200mg of premium Suntheanine in each veggie cap. It is a high-purity, research-backed supplement designed for significant stress relief and mental clarity.
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