Sports Research
Double Strength L-Theanine
89/100
SUPPIE SCORE
78/100
EFFICACY
High
SAFETY
96/100
CLEANLINESS
What Does Double Strength L-Theanine Do?
This single-ingredient Sports Research softgel delivers 200 mg patented Suntheanine L-Theanine in a coconut oil base, a well-researched dose shown in multiple trials to promote alpha brain waves and relaxed focus without sedation.
How does 200mg L-Theanine compare to drinking green tea for relaxation?
Is it safe to take this with my morning coffee or caffeine?
When is the best time of day to take these softgels for focus?
Chat with Suppie
What Are the Benefits of Double Strength L-Theanine?
Based on proven scientific research
RelaxationStrong
FocusModerate
Stress supportModerate
Sleep qualityMild
Good For:
What Are the Side Effects of Sports Research Double Strength L-Theanine?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•L-Theanine (Suntheanine) at 200mg is generally recognized as safe with a long history of use in studies up to 900mg/day.
•Formulated with organic coconut oil and gelatin softgel; contains no gluten, soy, or GMOs per label.
•May enhance sedative effects when combined with medications or supplements that cause drowsiness.
•Suitable for most adults; limited data on pregnancy/breastfeeding—consult a physician before use.
•Mild side effects like headache or dizziness are rare at this dose.
Potential Side Effects
Negative Interactions
Allergens
Gelatin (bovine/porcine)
Inactive Ingredients
Organic virgin coconut oil
Low RiskSoftgel capsule (gelatin, vegetable glycerin, purified water)
Low RiskOrganic beeswax
Low RiskWhat Are the Ingredients in Sports Research Double Strength L-Theanine?
L-Theanine (as Suntheanine)
200mg
Organic virgin coconut oil
Softgel capsule (gelatin, vegetable glycerin, purified water)
Organic beeswax
Scan the bottle in your cupboard
Same graded report you just read — on any label, in about 10 seconds.
Dosage & Bioavailability
How the active doses and forms in Double Strength L-Theanine compare to the research.
•L-Theanine (as Suntheanine) — 200mg per serving; within 50-200mg range commonly used in clinical trials.
•L-Theanine (as Suntheanine) — patented enzymatic form with ~70% bioavailability; rapidly absorbed with peak plasma levels in 30-50 minutes and crosses blood-brain barrier.
Frequently Asked Questions
Common questions about Sports Research Double Strength L-Theanine