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L-Theanine 200 mg

The Vitamin Shoppe
4.7
★ ★ ★ ★ ★
(138 ratings)
Theanine 200 mg
Product Image
Score95

A high-dose 200mg theanine supplement in a convenient bulk-sized bottle.

How scoring works
Quantity:120 Capsule(s) • (120 servings)
Goals:
Mental Focus
Stress Relief
Brain Health
Sleep Support
Productivity Boost
Cognitive Support
Mood Support

Score 95

A high-dose 200mg theanine supplement in a convenient bulk-sized bottle.

How scoring works

Also available as

2 options
100.00mg • 60 Capsule(s) servings Theanine 100 mg • 60 Capsule(s) • 60 servings $19.99 ($0.33 per serving) 60 servings Theanine 200 mg • 60 Capsule(s) • 60 servings $27.99 ($0.46 per serving)
$44.99($0.37 per serving)
iHerb
$ 44.99
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Analysis

Each capsule delivers 200mg of L-theanine to support a calm but productive mental state. The large 120-count bottle ensures you have a long-term supply, which is helpful for staying consistent with your health goals.

This higher dose is effective for managing acute stress or helping you relax in the evening before bed. It fits someone who wants a high-potency supplement at a sensible price.

Pros

  • Potent 200mg dosage
  • Large 120-serving quantity
  • Excellent value for long-term use
  • Supports relaxation and sleep

Cons

  • Generic form of L-theanine
  • Capsule might be large for some
  • Basic packaging

Warnings

  • Avoid taking with other calming agents
  • Consult a professional if pregnant
  • Check blood pressure if prone to lows

Nutrient quality

94 Highest impact

A 200mg dose of the primary amino acid is provided to support mental relaxation effectively. The clean, single-ingredient formula ensures focused support without unnecessary additives.

Ingredient transparency

100 Highest impact

Active ingredients and dosages are clearly disclosed with no proprietary blends used. Full transparency regarding serving sizes and excipients allows for an accurate evaluation.

Customer satisfaction

91 Highest impact

Ratings are very high, suggesting that users experience the expected calming effects. A moderate review count confirms consistent performance for the target audience.

Value for money

92 Highest impact

Bulk sizing results in a highly competitive cost per serving for a 200mg dose. It offers excellent value for users looking for high-potency support from a trusted retailer.

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Goals

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

L-Theanine in a 200mg dose provides robust support for mental clarity and a balanced stress response. This amino acid is highly effective for inducing alpha waves in the brain, contributing to a state of calm focus.

Sustained concentration without the overstimulation of caffeine appears well aligned with this formulation. The larger bulk format offers an efficient way to maintain consistent daily cognitive support.

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

Providing 200mg of L-Theanine per serving, this supplement offers a strong therapeutic dose to help manage acute stress and promote relaxation. L-Theanine is known to cross the blood-brain barrier and induce alpha brain waves, facilitating a state of calm alertness.

This high-potency formula is a clean and straightforward way to support emotional resilience without drowsiness. It appears well aligned for users needing effective, non-sedating support during high-pressure situations.

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

Delivers a potent 200 mg dose of L-Theanine in a bulk-sized format to support mental focus and stress management. This higher dosage is well-aligned for individuals seeking significant cognitive clarity and relaxation during high-stress periods.

As a clean, single-ingredient formula, it ensures high consistency and avoids the complexity of multi-herb stacks. The utilization of the bioactive L-isomer provides reliable metabolic utility for supporting healthy brain function.

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

L-Theanine in a robust 200mg dose supports deep relaxation and may contribute to reduced sleep latency.

This single-ingredient approach appears well aligned with individuals needing stronger evening mental calm.

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

L-Theanine is provided in a high-potency 200mg capsule to support alert relaxation. This amino acid is well-aligned with goals of improving focus and managing stress.

A 200mg dose represents a potent therapeutic amount for mental clarity. Using the pure L-isomer ensures consistent biological activity for neurological support.

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

L-theanine is included at 200mg to support a state of calm alertness and improve focus during high-demand tasks. This amino acid is recognized for its ability to promote alpha brain wave activity while reducing feelings of stress.

Suitability for the cognitive support goal is strong for individuals seeking to enhance mental clarity and endurance. The formula provides a potent dose of the active L-isomer to ensure its effectiveness in supporting neurological function.

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

This high-dose supplement provides 200 mg of L-Theanine per serving to support significant relaxation and emotional stabilization. L-Theanine is pointed out for its unique ability to promote a state of calm alertness without sedation.

By supporting healthy alpha-wave activity, this amino acid helps maintain a stabilized mood and psychological resilience under stress. The simple and clean capsule delivery ensures that the active compound is provided in a reliable format.

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Ingredients

IngredientAmount per serving
L-Theanine
200 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free Vegetarian
Report overview
Theanine · 200 mg OverallScore88
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value
This high-dose supplement provides 200mg of L-Theanine per capsule in a large, bulk-sized bottle. It is a practical and economical option for consistent daily use to support significant stress management.
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Double Strength L-Theanine 200 mg

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