SPORTS
RESEARCHi
89/100
SUPPIE SCORE
78/100
EFFICACY
High
SAFETY
96/100
CLEANLINESS
What Does RESEARCHi Do?
200 mg L-Theanine as Suntheanine provides a studied dose range for stress and relaxation effects seen in multiple RCTs, with consistent safety at this level but limited data confirming broad cognitive claims.
How does 200 mg Suntheanine L-Theanine compare to typical studied doses for stress?
What evidence supports L-Theanine for sleep quality at this amount?
Are there any known interactions with medications when taking L-Theanine?
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What Are the Benefits of RESEARCHi?
Based on proven scientific research
Stress reductionStrong
Anxiety reliefModerate
Improved sleep qualityModerate
Enhanced focusMild
Good For:
What Are the Side Effects of SPORTS RESEARCHi?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•At 200 mg daily, no significant adverse effects reported in trials up to 400 mg.
•May lower blood pressure; monitor if on antihypertensives.
•Limited long-term safety data beyond 4-8 weeks continuous use.
•Evidence insufficient for pregnancy or lactation safety.
Potential Side Effects
Negative Interactions
Allergens
Contains gelatin from softgel capsule
Inactive Ingredients
Organic virgin coconut oi
Low RiskSoftgel capsule (gelatin, vegetable glycerin, urified water)
Low RiskOrganic beeswax
Low RiskWhat Are the Ingredients in SPORTS RESEARCHi?
% Daily Volue L-Theanine (Suntheanine")
200 mg
Organic virgin coconut oi
softgel capsule (gelatin, vegetable glycerin, urified water)
organic beeswax
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Dosage & Bioavailability
How the active doses and forms in RESEARCHi compare to the research.
•L-Theanine (Suntheanine) — 200 mg; matches doses of 200-400 mg used in stress and sleep trials.
•L-Theanine (Suntheanine) — 200 mg; Suntheanine is a purified L-isomer form with documented absorption in human studies.
Frequently Asked Questions
Common questions about SPORTS RESEARCHi