A clinically-studied strength of L-theanine shown to support calm, clarity, and adaptive stress resilience without drowsiness*
What It Does
L-Theanine 200 mg helps promote a calm, focused state of mind without causing drowsiness.* Clinically studied for its ability to enhance alpha-wave brain activity, it supports relaxation while improving mental clarity and concentration.* Regular use may also help ease the body’s stress response and support quality sleep.*
How It Works
L-Theanine (as Suntheanine®): A pure, patented form of the amino acid found green tea that helps modulate neurotransmitters such as GABA, serotonin, and dopamine to promote relaxation and balanced mood.* [1-3]
Encourages alpha-wave activity in the brain, associated with a calm yet alert mental state.* [1][2]
Helps reduce the physiological effects of stress while maintaining optimal focus and cognitive performance.* [3-5]
Supports relaxation during the day and smoother transition to restful sleep at night.* [4][5]
Who It’s For
Ideal for individuals seeking support for calm focus, improved stress response, or better sleep quality—whether for managing daily demands, improving concentration, or promoting emotional balance.*
Special Features
Features Suntheanine®, the clinically researched and patented form of L-Theanine known for purity, consistency, and reliable efficacy.* Non-habit forming and free of caffeine and gluten.*
References
1. Williams JL, et al. Plant Foods Hum Nutr. 2020;75(1):12–23.
2. Nobre AC, et al. Asia Pac J Clin Nutr. 2008;17(Suppl 1):167-168.
3. Kimura K, et al. Biol Psychol. 2007;74(1):39-45.
4. Lyon MR, et al. Altern Med Rev. 2011;16(4):348-54.
5. Hidese S, et al. Nutrients. 2019;11(10):2362. doi:10.3390/nu11102362
Serving size: 1 Capsule
Servings per container: 90
Ingredient
Quantity
Glycine
200 mg
Suntheanine
200 mg
Other Ingredients: vegetarian cellulose capsule.
Gluten free
Dairy free
Egg free
Tree nut free
Suggested Use: One (1) capsule daily, or as directed by a healthcare professional. Best taken between meals.
Serving Size: 1 capsule
Amount Per Serving
L-Theanine … 200 mg
(Suntheanine®)
Glycine … 200 mg
Other Ingredients: vegetarian cellulose capsule.
Suntheanine® is a registered trademark of Taiyo International, Inc.
Caution:
Pregnant or lactating women, consult your healthcare professional before taking this product.
Keep tightly closed in a cool, dry place, out of reach of children.
L-Theanine 200 mg
Emerson Item Code
MEP019
Vendor Item Code
00820
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