SuppHelper
search
Home›Supplements›Amino Acid›Theanine›L-Theanine 200 mg Nature's Way
Product Image

L-Theanine 200 mg

Nature's Way
4.6
★ ★ ★ ★ ★
(952 ratings)
Theanine 200 mg
Product Image
Score 88

An excellent value L-Theanine product at a standard dose, offering an exceptionally low price per serving and very high customer satisfaction.

scaleQuantity:180 Capsule(s) • (90 servings)
track_changesGoals:
flag Mood Support
flag Cognitive Support
flag Sleep Support
flag Stress Relief
flag Mental Focus
flag Brain Health
flag Productivity Boost

leaderboard Score 88

An excellent value L-Theanine product at a standard dose, offering an exceptionally low price per serving and very high customer satisfaction.

Also available as 1 option
60 servings Theanine 200 mg • 60 Capsule(s) • 30 servings $9.48 ($0.31 per serving)

insightsAnalysis

Nature's Way L-Theanine delivers 200 mg of L-Theanine per capsule, which is a widely recognized and effective dosage for supporting a calm mental state without causing drowsiness. This makes it versatile for daytime use to enhance focus or evening use to promote relaxation.

As a single-ingredient supplement, it is ideal for individuals who want to isolate the benefits of L-Theanine. The 90-serving bottle provides a generous supply, offering convenience and reducing the frequency of repurchasing for daily users.

A key strength of this product is its remarkably low price per serving, making it exceptionally economical. This, coupled with a very high number of positive customer reviews, demonstrates its widespread appeal and proven efficacy among a large user base.

thumb_upPros
  • Provides a standard and effective 200 mg L-Theanine dose
  • Exceptionally competitive price per serving, offering great affordability
  • Very high customer review count indicates strong satisfaction
  • Generous 90-serving quantity for consistent use
  • Simple, single-ingredient formula
thumb_downCons
  • Not a branded form of L-Theanine (e.g., Suntheanine)
  • May not be suitable for those seeking multi-ingredient blends
  • Capsule form may not be ideal for all users
warningWarnings
  • Consult a healthcare professional before use if you are pregnant, nursing, or have a medical condition.
  • Individual responses to L-Theanine can vary.
  • Discontinue use if any adverse reactions are observed.
flagReport analysis
$30.60($0.34 per serving)
Amazon
$ 30.60
Pure Formulas
$ 35.82
iHerb
$ 36.00
Vitacost
$ 39.29
flagReport prices
track_changesGoals
flagStress Relief
Impact
Highest effect
L-Theanine is effective in helping the body manage daily stress by promoting a sense of tranquility and reducing feelings of tension and restlessness. It helps to smooth out the body's stress response.
View goal →
flagMood Support
Impact
Highest effect
L-Theanine often promotes a state of calm and relaxation, which can help in stabilizing mood and reducing feelings of stress-related irritability. It contributes to overall emotional well-being.
View goal →
flagCognitive Support
Impact
Highest effect
By fostering a relaxed yet attentive mental state, L-Theanine can support cognitive functions such as focus, concentration, and mental clarity. It helps keep the mind clear without overstimulation.
View goal →
flagMental Focus
Impact
Highest effect
It supports a state of focused calm, which can significantly enhance concentration and the ability to maintain attention on tasks without mental distraction. This aids in sustained mental effort.
View goal →
flagProductivity Boost
Impact
High effect
By reducing stress-induced distractions and enhancing mental clarity and focus, L-Theanine can indirectly lead to increased productivity. A calmer, more concentrated mind is often more efficient.
View goal →
flagSleep Support
Impact
High effect
While not a direct sedative, its calming properties can help the mind and body unwind, making it easier to transition into a restful sleep. It creates a conducive environment for relaxation before bed.
View goal →
flagBrain Health
Impact
High effect
By promoting a relaxed and focused mind, L-Theanine can generally contribute to a healthy brain environment. A calmer and more attentive brain is better equipped to perform its functions optimally.
View goal →
flagEnergy
Impact
Lower effect
L-Theanine is primarily known for its calming and relaxation effects, not for boosting energy directly. Any perceived 'energy' might be an indirect result of reduced stress or improved mental clarity.
View goal →
flagWeight Loss
Impact
Situational effect
There is no direct evidence to suggest that L-Theanine plays a specific role in weight loss. Its benefits are primarily focused on mental and emotional well-being, not metabolic processes for fat reduction.
View goal →
scienceIngredients
IngredientAmount per serving
L-Theanine
200 mg
grain_off Gluten Free person Adults 18–50 eco Vegan free_breakfast Dairy Free eco Vegetarian
flagReport overview
Theanine 90

This product is a pure and effective L-Theanine supplement, delivering a standard dose that fits perfectly within the Theanine collection. It reliably provides the core benefits of the amino acid.

scienceView ingredientinventory_2View products
inventory_2Alternative products
88 Value

L-Theanine

NOW
4.7
★★★★★
(697 ratings)
Offers a higher L-Theanine dosage and the same high analysis score at a significantly reduced price per serving, representing outstanding overall value.
Other sellers (3)
87 Value

L-Theanine 200 mg

California Gold Nutrition
4.7
★★★★★
(15500 ratings)
This product delivers a solid L-Theanine dose with a strong score and a much more favorable cost per serving, making it an excellent choice for consistent daily use.
Other sellers (0)
85 Value

L-Theanine 200 mg

Advance Physician Formulas
4.7
★★★★★
(619 ratings)
A well-regarded L-Theanine supplement that provides a good blend of efficacy and a very attractive price per serving, offering great value.
Other sellers (1)
90 Performance

Smart Caffeine with L-Theanine

NS Natural Stacks
4.4
★★★★★
(812 ratings)
For superior mental focus, sustained energy, and enhanced productivity, this blend combines L-Theanine with Caffeine for a powerful cognitive boost.
Other sellers (2)
90 Performance

Double Strength L-Theanine 200 mg

NOW
4.7
★★★★★
(41779 ratings)
With added Inositol, this product may offer a more comprehensive approach to mood support and stress reduction, promoting a calm and balanced state.
Other sellers (5)
88 Performance

Sleep Regimen 3-in-1

NOW
4.5
★★★★★
(1145 ratings)
This multi-ingredient formula is specifically crafted to support restful sleep, combining L-Theanine with 5-HTP and Melatonin for comprehensive nighttime support.
Other sellers (5)
88 Budget

L-Theanine

NOW
4.7
★★★★★
(697 ratings)
This alternative offers a higher L-Theanine dose at a substantially lower cost per serving, making it a much more economical choice for daily support.
Other sellers (3)
70 Budget

L-Theanine 200 mg

Health Thru Nutrition
5.0
★★★★★
(1 ratings)
Provides L-Theanine at a much more accessible price per serving, making it an excellent budget-friendly option for daily use and mental calm.
Other sellers (0)
85 Budget

L-Theanine 200 mg

Advance Physician Formulas
4.7
★★★★★
(619 ratings)
A highly affordable L-Theanine choice that delivers a good dose at a considerably lower price point for consistent mental support and focus.
Other sellers (1)
88 Value

L-Theanine

NOW
4.7
★★★★★
(697 ratings)
Offers a higher L-Theanine dosage and the same high analysis score at a significantly reduced price per serving, representing outstanding overall value.
Other sellers (3)
87 Value

L-Theanine 200 mg

California Gold Nutrition
4.7
★★★★★
(15500 ratings)
This product delivers a solid L-Theanine dose with a strong score and a much more favorable cost per serving, making it an excellent choice for consistent daily use.
Other sellers (0)
85 Value

L-Theanine 200 mg

Advance Physician Formulas
4.7
★★★★★
(619 ratings)
A well-regarded L-Theanine supplement that provides a good blend of efficacy and a very attractive price per serving, offering great value.
Other sellers (1)
90 Performance

Smart Caffeine with L-Theanine

NS Natural Stacks
4.4
★★★★★
(812 ratings)
For superior mental focus, sustained energy, and enhanced productivity, this blend combines L-Theanine with Caffeine for a powerful cognitive boost.
Other sellers (2)
90 Performance

Double Strength L-Theanine 200 mg

NOW
4.7
★★★★★
(41779 ratings)
With added Inositol, this product may offer a more comprehensive approach to mood support and stress reduction, promoting a calm and balanced state.
Other sellers (5)
88 Performance

Sleep Regimen 3-in-1

NOW
4.5
★★★★★
(1145 ratings)
This multi-ingredient formula is specifically crafted to support restful sleep, combining L-Theanine with 5-HTP and Melatonin for comprehensive nighttime support.
Other sellers (5)
flagReport alternatives

SuppHelper

Compare supplements smarter. Science-backed, user-rated, updated daily.

Explore

  • Compare Supplements
  • Health Goals
  • Stacks

Legal

  • Privacy Policy
  • Terms of Use
  • Medical Disclaimer

Stay in the Loop

© 2025 SuppHelper. All rights reserved.