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Suntheanine L-Theanine 100 mg

Natural Factors Stress-Relax
4.6
(4248 ratings)
Theanine 200 mg
Product Image
Score 90.0

A high-quality, effective Suntheanine L-Theanine supplement from a trusted brand, providing a strong 200mg dose.

Quantity: 60 Tablet(s)Servings size: 1 Tablet(s) (60 servings)
Selected goals:
Other goals:
Stress Relief
Mental Focus
Brain Health
Mood Support
Sleep Support

Score 90.0

A high-quality, effective Suntheanine L-Theanine supplement from a trusted brand, providing a strong 200mg dose.

Analysis

The use of Suntheanine ensures a high-quality, pure form of L-Theanine, which is crucial for maximizing its effectiveness. The 200mg dosage aligns with numerous studies demonstrating significant benefits for relaxation without sedation, improved focus, and a positive impact on mood. Natural Factors is a well-regarded brand with a strong reputation for quality. Online reviews and nutritionist recommendations often favor patented forms like Suntheanine for their reliability and consistent results.

Pros
  • Contains 200mg of Suntheanine, a premium, patented form of L-Theanine known for superior purity and efficacy.
  • Optimal dosage for effective stress relief, mental focus, and mood support.
  • Natural Factors is a reputable brand with a focus on quality and research.
  • Competitive price per serving ($0.30) for a premium, branded ingredient.
Cons
  • Product name '100 mg' is inconsistent with the '200mg' ingredient quantity, which may cause confusion for consumers.
  • No additional synergistic ingredients for enhanced effects.
Warnings
  • No significant warnings specific to L-Theanine when taken at recommended doses.
$18.87($0.31 per serving)
Amazon
$ 18.87
Pure Formulas
$ 18.87
iHerb
$ 18.87
Ingredients
IngredientAmount per serving
Calories 15 Calorie(s)
Total Carbohydrates 4 Gram(s)
Suntheanine L-Theanine 200 mg
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Categories
Theanine 92.0
This product is a strong contender in the Theanine collection due to its use of Suntheanine at an optimal 200mg dose, combined with a reputable brand and good value.
Goals
Stress Relief 92.0
The 200mg Suntheanine dosage is highly effective for promoting deep relaxation and significantly reducing stress and anxiety, as validated by clinical research and user experiences.
Mental Focus 91.0
Suntheanine enhances the production of alpha brain waves, facilitating a state of calm alertness that is ideal for improved concentration, learning, and mental clarity.
Mood Support 91.0
By robustly influencing key neurotransmitters like serotonin and dopamine, Suntheanine at this dose is highly effective in promoting emotional balance and fostering a positive mood.
90 Value

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L-Theanine 200 mg

California Gold Nutrition
4.7
(13349 ratings)
Offers 200mg of L-Theanine for $0.16/serving, a significantly cheaper option with a high review count, though not using a patented form.
95 Budget

Double Strength L-Theanine 200 mg

NOW
4.7
(20326 ratings)
At $0.18/serving for 200mg L-Theanine plus Inositol, it's considerably cheaper and offers excellent overall value, though it doesn't feature Suntheanine.
90 Value

L-Theanine 200 mg Double Strength

Swanson
4.6
(361 ratings)
Delivers 200mg of Suntheanine L-Theanine at a lower price per serving ($0.26 vs $0.30), offering comparable quality and excellent value for a patented form.
92 Value

L-Theanine 200 mg

California Gold Nutrition
4.7
(13349 ratings)
Provides a high 200mg L-Theanine dose at an exceptionally low price ($0.16/serving), offering outstanding value for a pure L-Theanine supplement.
95 Value

Double Strength L-Theanine 200 mg

NOW
4.7
(20326 ratings)
Offers 200mg L-Theanine plus Inositol for an extremely competitive price ($0.18/serving) from a highly trusted brand, representing superior overall value.
92 Performance

Suntheanine L-Theanine 125 mg

Natural Factors Stress-Relax
4.6
(1292 ratings)
This alternative offers a higher 250mg dose of the same premium Suntheanine L-Theanine, potentially providing stronger effects for those seeking maximum impact.
94 Performance

Theanine

Thorne
4.7
(1029 ratings)
Utilizes 200mg of Suntheanine from Thorne, a brand renowned for its exceptionally high purity and rigorous third-party testing, making it a top-tier quality choice.
89 Performance

Enhanced Stress Relief

Life Extension
4.5
(861 ratings)
Combines 200mg L-Theanine with 300mg Lemon Balm extract, offering a synergistic approach to stress relief and mood support, potentially enhancing the calming effects.