SuppGuide
Updated Apr 2026

L-Teanina

L-Theanine is a key nutrient supporting overall health and wellness with evidence-based benefits.

Dose: 100–400 mg/day7 productsby Richard Park

L-Theanine is a key nutrient supporting overall health and wellness with evidence-based benefits.

— Richard Park, Molecular Biologist / VP of KTHD Inc.

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Por que você precisa disso?

L-Teanina — a nutrient your body needs every day, but you might not be getting enough.

L-Teanina plays a key role in maintaining your body's normal functions. Scientific research shows that proper supplementation can significantly improve overall health and well-being.

❌ Your cells without enough of it

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💧
Nutrient
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💧
Cell
💧
Health

Have you been experiencing any of these?

  • ⚠️Chronic fatigue and low energy
  • ⚠️Weakened immune response
  • ⚠️Declining overall health

L-Teanina plays a key role in maintaining your body's normal functions. Scientific research shows that proper supplementation can significantly improve overall health and well-being.

✅ Your cells with proper supplementation

💊
Nutrient
🧬
Cell
Health
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Como funciona?

L-Theanine is a key nutrient supporting overall health and wellness with evidence-based benefits.

Understanding how your body works
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Step 1

Ingestion

Nutrient enters your digestive system

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Step 2

Absorption

Absorbed through the intestinal wall into the bloodstream

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Step 3

Distribution

Transported to target tissues and organs

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Step 4

Action

Performs its biological function at the cellular level

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Step 5

Benefits

Health benefits manifest over consistent supplementation

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O que a pesquisa diz

Multiple clinical studies support the use of L-Theanine for various health benefits.

ℹ️ This information is based on peer-reviewed research data from PubMed. It does not replace medical advice. Always consult a healthcare professional before starting any supplement regimen.

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How to Take L-Teanina

🎯Optimal Dose

100–400 mg/day

Best Time to Take

Take with a meal for best absorption

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Expert's Note

Before starting L-Teanina supplementation, always consult your expert or doctor if you're currently taking any medications. Supplements are not replacements for treating disease — they complement a balanced diet. Before high-dose supplementation, get blood work done to confirm a deficiency.

— Richard Park, Molecular Biologist | Reviewed April 2026

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Recommended L-Teanina Products

Curated by a molecular biologist. We may earn a small commission through purchase links.

ℹ️ Prices may vary. We may receive a small commission when you purchase through links on this page.

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L-Teanina FAQ

Is L-Teanina safe to take?

L-Teanina is generally safe at recommended doses. However, consult your doctor if you take medications or have health conditions.

How much L-Teanina should I take?

Follow the recommended dosage on the product label. Consult a professional before taking high doses.

How long does L-Teanina take to work?

Most supplements show effects within 4-8 weeks of consistent daily use.

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Content by Richard Park

Molecular Biologist · Last reviewed April 2026

* Estas declarações não foram avaliadas pela FDA. Este produto não se destina a diagnosticar, tratar, curar ou prevenir qualquer doença.

California Gold Nutrition, L-Theanine, Featuring AlphaWave, 100 mg, 30 Veggie Capsules
$4.50
California Gold Nutrition, L-Theanine, Featuring AlphaWave, 100 mg, 30 Veggie Capsules
$4.50