

L-THEANINE (200mg) - 90 Servings
L-Theanine (200mg) – 90 Capsules
Support Calm, Focus, and Relaxation Without Drowsiness
$22.99 | 90 Servings | Subscribe & Save 10%
Calm Your Mind. Sharpen Your Focus.
NutraBio L-Theanine delivers 200mg of pure, free-form L-Theanine — the naturally occurring amino acid found in green tea — to promote a calm, focused state without sedation. Whether you're navigating high-stress days or looking to take the edge off caffeine, L-Theanine is your go-to solution for relaxation without the crash.
Key Benefits
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Supports a Calm, Relaxed State without causing drowsiness
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Enhances Focus and Mental Clarity by promoting alpha brain wave activity
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Reduces the Jitters from caffeine while preserving alertness
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Promotes Healthy Stress Response for daily balance
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May Improve Sleep Quality when taken in the evening
Why Choose NutraBio L-Theanine?
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200mg Clinical Dose per capsule
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Ultra-Pure, Free-Form Amino Acid – No fillers or additives
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Tested for Purity and Potency – HPLC Verified
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Full Label Disclosure – Absolutely no proprietary blends
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Backed by Science – Studies show L-Theanine supports GABA, dopamine, and serotonin for mood and cognitive function
Suggested Use
Take 1 capsule daily with or without food. For enhanced calm or to offset caffeine, take 30–60 minutes before needed.
Who Should Use It?
Anyone looking to:
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Manage daily stress or anxiety
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Improve focus without stimulants
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Stack with caffeine for a smoother energy experience
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Enhance mental performance or support relaxation at night
Dietary Certifications & Manufacturing Standards
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Gluten Free
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Non-GMO
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Vegetarian
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Lactose Free
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Hypoallergenic
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Kosher Certified
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Halal Certified
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GMP Manufactured in FDA-inspected facility
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No Fillers, Excipients, or Artificial Additives
What Sets This Apart?
Unlike generic calming supplements, NutraBio’s L-Theanine is tested for purity, free of unnecessary additives, and made in the USA in a cGMP-compliant, FDA-registered facility. It’s a clean, trusted option for supporting mental clarity and stress relief — day or night.
L-Theanine supplement
, L-Theanine 200mg
, natural stress relief
, focus and relaxation
, caffeine stack
, calm without drowsiness
, non-drowsy focus
, GABA support
, green tea amino acid
, NutraBio L-Theanine
, no filler supplement
, relaxation supplement
, stress and anxiety support
