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L-Theanine 200 mg

Metabolic Maintenance
4.8
★ ★ ★ ★ ★
(248 ratings)
Theanine 200 mg
Product Image
Score93

A premium Suntheanine supplement providing a robust 200 mg dose for high-level stress and focus support.

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

Score 93

A premium Suntheanine supplement providing a robust 200 mg dose for high-level stress and focus support.

How scoring works
$70.00($0.58 per serving)
Pure Formulas
$ 70.00
iHerb
$ 70.00
iHerb
$ 70.00
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Analysis

Suntheanine is produced through a patented fermentation process that ensures you are getting only the active L-isomer. This 200 mg dose is high-potency, making it a reliable tool for people who need deeper support for stress and sleep preparation.

Metabolic Maintenance keeps the formula clean and free from unnecessary additives. While it is more expensive, the quality of the raw material is a major draw for those prioritizing premium sourcing.

Pros

  • Uses patented Suntheanine
  • Robust 200 mg clinical dose
  • Professional-grade purity
  • No unnecessary fillers

Cons

  • Significantly higher price point
  • Low quantity for the cost

Warnings

  • Theanine may lower blood pressure; monitor if concerned
  • Price reflects premium ingredient sourcing

Nutrient quality

98 Highest impact

Utilization of Suntheanine ensures maximum isomeric purity and consistent biological activity. A 200mg dose is highly meaningful for achieving measurable neurological effects for mental calm.

Ingredient transparency

100 Highest impact

Active ingredients and dosages are clearly disclosed with no hidden proprietary blends. The branded ingredient labeling provides clear confirmation of the raw material source and quality.

Customer satisfaction

94 Highest impact

Ratings reflect a high level of user approval for the product's purity and performance. A moderate review count provides enough evidence to confirm reliable results among users.

Value for money

74 High impact

The price per serving is high compared to generic options, but reflects the premium professional-grade branding. Overall value is impacted by the significantly higher purchase price for a single-active product.

Report analysis

Goals

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

Suntheanine L-Theanine at 200 mg per serving.

The use of a premium, patented form of theanine ensures high purity and consistent neurological support.

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

Suntheanine is the primary active ingredient, providing a patented form of L-theanine for mental relaxation.

Supporting mental calm and focus may contribute to reduced anxiety before rest and a smoother transition to sleep.

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

This premium selection provides 200mg of Suntheanine, a clinically studied form of L-Theanine. Suntheanine ensures high purity and a pure L-isomer, which is the biologically active form for cognitive support.

L-Theanine promotes a calm mental state and supports focus by modulating brain waves. This single-ingredient approach offers high precision for individuals seeking reliable and effective stress-related focus.

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

L-theanine, specifically in the branded Suntheanine form, supports focused relaxation and alpha brain wave activity. This formulation appears well aligned with goals for mental resilience and stress management.

Meaningful dosages of the pure L-isomer ensure that the biological pathways for mental focus are effectively addressed. This focused approach provide high-quality support for maintaining cognitive performance under daily pressure.

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

Suntheanine provides 200mg of a clinically studied, pure form of L-theanine to support mental focus and stress resilience. This dosage is ideal for achieving a state of calm alertness without inducing unwanted drowsiness.

This amino acid works to modulate brain waves, favoring alpha activity associated with relaxed concentration. It is a premium option for individuals who require high-quality cognitive support to navigate a busy workday.

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

This premium supplement utilize the patented Suntheanine form of L-Theanine to ensure high concentration and purity of the biologically active isomer. A 200 mg dose appears well aligned with promoting a state of calm focus and reducing the occasional tension that can impair concentration.

By ensuring the highest standards for its single active ingredient, the formula provides reliable and consistent support for alpha brain wave activity. The 200 mg dose is optimally aligned with clinical standards for achieving a noticeable therapeutic effect on mental clarity.

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

This premium formula utilizes Suntheanine to deliver 200 mg of pure L-Theanine for promoting mental relaxation and alpha brain wave activity. Branded sourcing ensures a high concentration of the biologically active L-isomer for consistent neurological benefit.

Providing a 200 mg dose meets established clinical benchmarks for therapeutic effectiveness in managing psychological stress. Focusing on this single, high-quality ingredient allows for targeted support of mental calm in a clean and reliable format.

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Ingredients

IngredientAmount per serving
Suntheanine
200 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
Theanine · 200 mg OverallScore96
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value
This premium supplement uses Suntheanine® to deliver a robust 200mg dose of L-Theanine in a simple capsule. It is an ideal choice for professional-level stress management and mental focus support.
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