NaturesPlus
Pro L-Theanine 200

90/100
SUPPIE SCORE
78/100
EFFICACY
High
SAFETY
100/100
CLEANLINESS
What Does Pro L-Theanine 200 Do?
L-Theanine at the label dose of 200 mg shows evidence for improved choice reaction time in healthy adults from meta-analysis of 31 RCTs; sleep support data exist for 200-450 mg/day ranges with modest stress and mood effects also observed.
How does 200 mg L-Theanine compare to typical studied doses for attention or stress?
What does research say about L-Theanine's effects on sleep latency or quality?
Are there any known interactions between L-Theanine and common medications?
Chat with Suppie
What Are the Benefits of Pro L-Theanine 200?
Based on proven scientific research
AttentionStrong
Acute stress reductionMild
Depressive symptomsMild
Sleep supportModerate
Good For:
What Are the Side Effects of NaturesPlus Pro L-Theanine 200?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•No serious adverse events reported in trials up to 900 mg/day.
•Dropout rates similar to placebo; mild effects possible.
•Evidence limited for long-term daily use beyond 8 weeks.
•Limited data on use during pregnancy or lactation.
Potential Side Effects
Negative Interactions
Inactive Ingredients
Safe Formulation!
Great news, this product doesn't contain harmful ingredients!
What Are the Ingredients in NaturesPlus Pro L-Theanine 200?
L-Theanine
200 mg
Dosage & Bioavailability
How the active doses and forms in Pro L-Theanine 200 compare to the research.
•L-Theanine is listed at 200 mg 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.
Sources & References
Naturesplus pro l theanine 200 60 capsules 200 mg per capsule 132852
Information from www.vitacost.com
PMC10472268
Information from pmc.ncbi.nlm.nih.gov
PMC7618965
Information from pmc.ncbi.nlm.nih.gov
PMC6732706
Information from pmc.ncbi.nlm.nih.gov
41176609
Information from pubmed.ncbi.nlm.nih.gov
42410082
Information from pubmed.ncbi.nlm.nih.gov
Frequently Asked Questions
Common questions about NaturesPlus Pro L-Theanine 200