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Suntheanine L-Theanine 125 mg

Natural Factors Stress-Relax
4.6
(1292 ratings)
Theanine 250 mg
Product Image
Score 92.0

A potent, premium Suntheanine L-Theanine supplement from a trusted brand, providing strong effects.

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

Score 92.0

A potent, premium Suntheanine L-Theanine supplement from a trusted brand, providing strong effects.

Analysis

This product contains 250mg of Suntheanine, which is above the typical 200mg dose often recommended and can provide more significant effects for individuals seeking stronger support. Suntheanine is clinically recognized for its ability to induce alpha brain waves, promoting calm alertness. Natural Factors is a well-regarded brand in the natural health community. Online reviews often highlight the effectiveness of this higher dose for more profound calming and focus benefits, aligning with expert opinions on L-Theanine efficacy.

Pros
  • Provides a robust 250mg dose of Suntheanine, a patented and highly effective form of L-Theanine.
  • Delivers strong effects for stress relief, mental focus, and relaxation.
  • Natural Factors is a reputable brand known for quality.
  • Good price per serving for a premium, higher-dose ingredient.
Cons
  • The product name '125 mg' is inconsistent with the '250mg' ingredient quantity, which can be confusing for consumers.
  • May be too potent for individuals sensitive to higher L-Theanine doses.
Warnings
  • Individuals new to L-Theanine may want to start with a lower dose to assess tolerance, although generally well-tolerated.
$15.97($0.26 per serving)
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Ingredients
IngredientAmount per serving
Suntheanine L-Theanine 250 mg
Gluten Free Adults 18–50 Vegan Dairy Free Sugar Free Vegetarian
Categories
Theanine 94.0
This is a standout product in the Theanine collection due to its higher dose of premium Suntheanine, offering superior efficacy compared to standard L-Theanine products.
Goals
Stress Relief 95.0
The 250mg Suntheanine dosage is highly effective for profound stress reduction and promoting deep relaxation without inducing drowsiness.
Mental Focus 93.0
This elevated dose of Suntheanine powerfully stimulates alpha brain waves, enhancing concentration, clarity, and sustained mental performance.
Mood Support 93.0
By robustly influencing key neurotransmitters, this dosage is highly effective in stabilizing mood and promoting a greater sense of emotional well-being.
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L-Theanine 200 mg Double Strength

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(361 ratings)
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Suntheanine L-Theanine 100 mg

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(4248 ratings)
Contains 200mg of Suntheanine L-Theanine for $0.30/serving, which is slightly better value for the same premium ingredient, albeit at a slightly lower dose than this product.
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Double Strength L-Theanine 200 mg

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(20326 ratings)
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4.5
(1089 ratings)
Provides 200mg L-Theanine plus Melatonin and 5-HTP, which offers a more targeted and potent solution specifically for sleep issues while still providing calming effects.