Sports Research
L-Theanine Suntheanine 200 mg
92/100
SUPPIE SCORE
85/100
EFFICACY
High
SAFETY
98/100
CLEANLINESS
What Does L-Theanine Suntheanine 200 mg Do?
The label lists L-Theanine (Suntheanine) (200 mg) as its main active. Any judgement should be based on the stated amounts and forms rather than the product name or marketing claims alone.
What are the main benefits of L-Theanine for stress and anxiety?
How does Suntheanine compare to other forms of L-Theanine in terms of absorption?
What is the recommended dosage and timing for taking L-Theanine supplements?
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What Are the Benefits of L-Theanine Suntheanine 200 mg?
Based on proven scientific research
Stress ReductionStrong
Improved FocusModerate
Better Sleep QualityModerate
Anxiety ReliefStrong
Good For:
What Are the Side Effects of Sports Research L-Theanine Suntheanine 200 mg?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•L-Theanine at 200mg is well within safe daily limits (up to 1200mg/day) with no significant side effects reported in studies for healthy adults.
•Low risk of drug interactions; may enhance effects of sedatives or blood pressure medications—consult physician if on antihypertensives.
•Safe for most populations, but pregnant or breastfeeding women should avoid due to limited research on fetal effects.
•No known allergens in the formulation; however, gelatin in softgels may affect those with pork allergies.
•High-quality manufacturing by Sports Research with third-party testing reduces contamination risks.
•Long-term use appears safe based on clinical trials up to 8 weeks, but monitor for rare headaches or gastrointestinal upset.
Potential Side Effects
Negative Interactions
Allergens
Gelatin (possible pork-derived)Olive oil (rare olive allergy)
Inactive Ingredients
Softgel capsule (gelatin, glycerin, purified water)
Low RiskOrganic extra virgin olive oil
GoodSunflower lecithin
Low RiskWhat Are the Ingredients in Sports Research L-Theanine Suntheanine 200 mg?
L-Theanine (Suntheanine)
200 mg
Softgel capsule (gelatin, glycerin, purified water)
Organic extra virgin olive oil
Sunflower lecithin
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Dosage & Bioavailability
How the active doses and forms in L-Theanine Suntheanine 200 mg compare to the research.
•L-Theanine (Suntheanine) is listed at 200 mg per serving; without a source-specific reference range, dose adequacy cannot be graded.
•L-Theanine (Suntheanine) is a branded source, but the name alone does not establish a distinct chemical form or absorption advantage.
Sources & References
Frequently Asked Questions
Common questions about Sports Research L-Theanine Suntheanine 200 mg