Source Naturals
Serene Science L-Theanine Powder
92/100
SUPPIE SCORE
82/100
EFFICACY
High
SAFETY
100/100
CLEANLINESS
What Does Serene Science L-Theanine Powder Do?
High-quality L-Theanine (200mg/serving) effectively supports focused relaxation and stress reduction per multiple studies.
What is the evidence for L-Theanine supporting relaxation without drowsiness?
Are there any interactions between L-Theanine and antidepressant medications?
What dosage of L-Theanine is typically used for stress reduction?
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What Are the Benefits of Serene Science L-Theanine Powder?
Based on proven scientific research
Focused RelaxationStrong
Stress ReductionStrong
Attention and ConcentrationModerate
Calm MindStrong
Good For:
What Are the Side Effects of Source Naturals Serene Science L-Theanine Powder?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•L-Theanine at 200mg is well-tolerated with minimal side effects in healthy adults.
•Contraindicated for pregnant/breastfeeding women and children due to lack of safety data.
•Consult healthcare provider if taking antidepressants like MAOIs or SSRIs due to potential interactions.
•Pure formulation with no allergens, fillers, or common irritants; suitable for vegans.
•No evidence of long-term risks at recommended 200-400mg daily doses.
Potential Side Effects
Negative Interactions
Inactive Ingredients
Safe Formulation!
Great news, this product doesn't contain harmful ingredients!
What Are the Ingredients in Source Naturals Serene Science L-Theanine Powder?
L-Theanine
200mg
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Dosage & Bioavailability
How the active doses and forms in Serene Science L-Theanine Powder compare to the research.
•L-Theanine is listed at 200mg per serving; without a source-specific reference range, dose adequacy cannot be graded.
•L-Theanine has no distinct chemical or delivery form stated, so no product-specific absorption advantage can be established.
Frequently Asked Questions
Common questions about Source Naturals Serene Science L-Theanine Powder