Integrative Therapeutics L-Theanine 200 mg - Suntheanine Brand L-Theanine - Promotes a Relaxed State & Healthy Stress Response* - Vegan and Gluten Free - 60 Capsules
Analysis updated July 2026 · How Scout scores
At a glance
Summary
This supplement features high-quality L-Theanine in the form of Suntheanine, which is well-researched for promoting relaxation and stress reduction. The formulation is clean, with minimal additives such as cellulose and magnesium stearate, which are common and generally considered safe in supplements. The absence of artificial sweeteners, dyes, or harmful preservatives contributes to its high rating.
Key ingredients 4
L-TheanineVery Good
L-Theanine is an amino acid known for promoting relaxation without drowsiness. It is derived from tea leaves and is often used to reduce stress and improve focus. Its high-quality form, Suntheanine, is well-researched and considered effective.
Benefits
L-Theanine supports a relaxed state and healthy stress response, enhancing cognitive function and mood.
CelluloseNeutral
Cellulose is a common bulking agent used in supplements to provide structure. It is derived from plant sources and is considered safe for consumption. It does not contribute any nutritional value but aids in the manufacturing process.
See more about Cellulose →Plant-Derived Capsule (Hypromellose)Neutral
Hypromellose is a plant-derived compound used to create vegan capsules. It is a safe alternative to gelatin and is widely used in the supplement industry. It provides no nutritional benefits but is essential for encapsulating active ingredients.
Magnesium StearateNeutral
Magnesium stearate is a common flow agent used in supplement manufacturing to prevent ingredients from sticking to equipment. It is generally recognized as safe when used in small amounts. It does not provide nutritional benefits but ensures consistent product quality.
See more about Magnesium Stearate →Processing
Processed Foods
Get the full breakdown in the Scout appTake Scout shopping
Scan any product to see lab results, healthy alternatives, and your personalized analysis.
Download on theApp Store GET IT ONGoogle PlayAmazon pricing & content
Amazon price as of . Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED “AS IS” AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.