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L-Theanine Powder
Supplements
Nutri-ScoreC

L-Theanine Powder

L-Theanine

Clinical Encyclopedia

SM
Nutri-Score & Health Summary

L-Theanine Powder provides 0 kcal, 0g of protein, 0g of carbohydrates, and 0g of fiber per 100g. With a Nutri-Score grade 'C', it is a highly recommended option for nutrient density.

L-Theanine is an amino acid primarily found in tea leaves, known for its calming effects and ability to promote relaxation without sedation. It is often used as a supplement to enhance cognitive function and reduce stress.

Also known as:
L-Theanine (Global)Tee-Aminosäure (Germany)
Scientific NameL-Theanine
Region of OriginJapan

Macronutrient Ratio

Caloric distribution of primary energy metrics per 100g

Calories0 kcal
Water
0%
Fiber0g
Total0.0g
Protein
0g(0%)
Fats
0g(0%)
Carbohydrates
0g(0%)

Micronutrient DV% Score

Top vitamins and minerals ranked by percentage of Daily Recommended Value

Vitamins (DV%)
Minerals (DV%)

Complete Micronutrient Breakdown

Detailed concentration of essential micronutrients per 100g serving.

Vitamins

Major Source (≥ 2% DV)None registered
Vitamins with less than 2% DV
Vitamin C: 0 mgVitamin D: 0 mgVitamin b1 (thiamine): 0 mgVitamin b2 (riboflavin): 0 mgVitamin b3 (niacin): 0 mgVitamin b5 (pantothenic acid): 0 mgVitamin b6 (pyridoxine): 0 mgFolate: 0 mgVitamin B12: 0 mgCholine: 0 mgVitamin A: 0 mgVitamin E: 0 mgVitamin K: 0 mg

Minerals

Major Source (≥ 2% DV)None registered
Minerals with less than 2% DV
Calcium: 0 mgIron: 0 mgMagnesium: 0 mgPhosphorus: 0 mgPotassium: 0 mgZinc: 0 mgCopper: 0 mgManganese: 0 mgSelenium: 0 mg

Health Benefits

L-Theanine has been shown to improve focus and attention, particularly when combined with caffeine, making it a popular choice for enhancing cognitive performance.
It may help reduce anxiety and promote relaxation by increasing levels of GABA, dopamine, and serotonin in the brain.

Possible Risks & Side Effects

!No clinically significant precautions or contraindications have been documented for this food in standard dietary intake.

How to Prepare & Consume

L-Theanine powder can be mixed with water, tea, or smoothies. It is best taken on an empty stomach for optimal absorption.

Smart Selection & Storage

How to Select

Choose high-quality L-Theanine powder from reputable brands, preferably with third-party testing.

How to Store

Store in a cool, dry place away from direct sunlight to maintain potency.

Medicinal Profile & Bioactive Compounds

Therapeutic properties, key bioactive compounds, and clinical applications of this food.

Medicinal Properties
CalmingCognitive enhancerStress reducer
Main Applications
Anxiety relief
Cognitive enhancement
Bioactive Compounds
L-Theanine

Promotes relaxation and reduces stress without causing drowsiness.

How to Consume
Powdered form mixed in beveragesCapsulesTea infusion
Did you know?

"L-Theanine was first isolated from green tea in 1949 and has been studied for its potential neuroprotective effects."

Myths vs Realities

MythL-Theanine causes drowsiness.
RealityL-Theanine promotes relaxation without sedation.
MythL-Theanine is only found in green tea.
RealityL-Theanine is found in various types of tea and can be taken as a supplement.
MythL-Theanine is addictive.
RealityL-Theanine is non-addictive and safe for regular use.

Healthy Recipes

L-Theanine Infused Green Smoothie

This refreshing green smoothie combines spinach, banana, and L-Theanine powder for a calming yet energizing drink, perfect for starting your day.

Ingredients
  • 1 cup fresh spinach
  • 1 ripe banana
  • 1 cup almond milk
  • 1 teaspoon L-Theanine powder
  • 1 tablespoon chia seeds
Instructions
  1. 1. Blend spinach, banana, and almond milk until smooth.
  2. 2. Add L-Theanine powder and chia seeds, then blend again until well combined.
  3. 3. Pour into a glass and enjoy immediately for a nutritious boost.

L-Theanine Matcha Chia Pudding

This creamy chia pudding is infused with matcha and L-Theanine powder, making it a perfect healthy dessert or breakfast option.

Ingredients
  • 1/4 cup chia seeds
  • 1 cup coconut milk
  • 1 teaspoon matcha powder
  • 1 teaspoon L-Theanine powder
  • 1 tablespoon maple syrup
Instructions
  1. 1. In a bowl, mix chia seeds, coconut milk, matcha powder, L-Theanine powder, and maple syrup.
  2. 2. Stir well and let it sit for 10 minutes, then stir again to prevent clumping.
  3. 3. Refrigerate for at least 2 hours or overnight before serving.

L-Theanine Herbal Tea Blend

A soothing herbal tea blend featuring chamomile and L-Theanine powder, perfect for relaxation and stress relief.

Ingredients
  • 1 teaspoon dried chamomile flowers
  • 1 teaspoon L-Theanine powder
  • 1 cup hot water
  • 1 teaspoon honey (optional)
Instructions
  1. 1. Steep chamomile flowers in hot water for 5 minutes.
  2. 2. Remove the flowers and stir in L-Theanine powder until dissolved.
  3. 3. Sweeten with honey if desired, and enjoy warm.

L-Theanine Chocolate Energy Bites

These no-bake energy bites are packed with oats, nut butter, and L-Theanine powder for a healthy snack that boosts focus.

Ingredients
  • 1 cup rolled oats
  • 1/2 cup almond butter
  • 1/4 cup honey
  • 1 teaspoon L-Theanine powder
  • 1/4 cup dark chocolate chips
Instructions
  1. 1. In a bowl, mix rolled oats, almond butter, honey, and L-Theanine powder until well combined.
  2. 2. Fold in dark chocolate chips.
  3. 3. Form into small balls and refrigerate for 30 minutes before serving.

L-Theanine Avocado Toast

This nutritious avocado toast is enhanced with L-Theanine powder, offering a delicious and calming breakfast option.

Ingredients
  • 1 ripe avocado
  • 1 teaspoon L-Theanine powder
  • 2 slices whole grain bread
  • Salt and pepper to taste
  • Red pepper flakes (optional)
Instructions
  1. 1. Toast the whole grain bread until golden brown.
  2. 2. In a bowl, mash the avocado and mix in L-Theanine powder, salt, and pepper.
  3. 3. Spread the avocado mixture on the toast and sprinkle with red pepper flakes if desired.

L-Theanine Quinoa Salad

A vibrant quinoa salad featuring fresh vegetables and L-Theanine powder, perfect for a light lunch or dinner.

Ingredients
  • 1 cup cooked quinoa
  • 1/2 cup cherry tomatoes, halved
  • 1/2 cucumber, diced
  • 1 teaspoon L-Theanine powder
  • 2 tablespoons olive oil
  • Juice of 1 lemon
Instructions
  1. 1. In a large bowl, combine cooked quinoa, cherry tomatoes, and cucumber.
  2. 2. In a small bowl, whisk together olive oil, lemon juice, and L-Theanine powder.
  3. 3. Pour the dressing over the salad, toss gently, and serve chilled.

L-Theanine Banana Oatmeal

A warm and comforting bowl of oatmeal enriched with L-Theanine powder and topped with banana slices for a healthy breakfast.

Ingredients
  • 1 cup rolled oats
  • 2 cups water or almond milk
  • 1 ripe banana, sliced
  • 1 teaspoon L-Theanine powder
  • 1 tablespoon almond butter
Instructions
  1. 1. In a saucepan, bring water or almond milk to a boil, then add rolled oats.
  2. 2. Cook for 5 minutes, stirring occasionally, then remove from heat.
  3. 3. Stir in L-Theanine powder and top with banana slices and almond butter before serving.

L-Theanine Berry Smoothie Bowl

This colorful smoothie bowl features mixed berries and L-Theanine powder, topped with granola and seeds for added crunch.

Ingredients
  • 1 cup mixed berries (frozen or fresh)
  • 1 banana
  • 1 cup almond milk
  • 1 teaspoon L-Theanine powder
  • 1/4 cup granola
Instructions
  1. 1. Blend mixed berries, banana, almond milk, and L-Theanine powder until smooth.
  2. 2. Pour into a bowl and top with granola and additional berries if desired.
  3. 3. Serve immediately with a spoon.

L-Theanine Coconut Yogurt Parfait

A delightful parfait layered with coconut yogurt, fruits, and L-Theanine powder, perfect for a healthy snack or breakfast.

Ingredients
  • 1 cup coconut yogurt
  • 1 teaspoon L-Theanine powder
  • 1/2 cup mixed fruits (berries, banana, etc.)
  • 1/4 cup granola
Instructions
  1. 1. In a bowl, mix coconut yogurt with L-Theanine powder until well combined.
  2. 2. In a glass, layer the yogurt mixture, mixed fruits, and granola.
  3. 3. Repeat layers until all ingredients are used, then serve chilled.

L-Theanine Spiced Almond Milk Latte

A warm and comforting spiced almond milk latte infused with L-Theanine powder, perfect for relaxation.

Ingredients
  • 1 cup unsweetened almond milk
  • 1 teaspoon L-Theanine powder
  • 1/2 teaspoon cinnamon
  • 1/2 teaspoon vanilla extract
  • 1 teaspoon honey (optional)
Instructions
  1. 1. In a small saucepan, heat almond milk over medium heat until warm but not boiling.
  2. 2. Whisk in L-Theanine powder, cinnamon, vanilla extract, and honey until well combined.
  3. 3. Pour into a mug and enjoy warm.

Frequently Asked Questions (FAQ)

What is L-Theanine?

L-Theanine is an amino acid found in tea leaves, known for its calming effects.

How does L-Theanine work?

It works by increasing levels of neurotransmitters like GABA, dopamine, and serotonin.

Can L-Theanine help with sleep?

While it promotes relaxation, it is not a sedative and may not directly induce sleep.

Is L-Theanine safe?

Yes, it is generally considered safe with no significant side effects.

Can I take L-Theanine with caffeine?

Yes, it can enhance the positive effects of caffeine while reducing jitters.

How much L-Theanine should I take?

Typical doses range from 100 to 400 mg per day, depending on individual needs.

Are there any side effects?

L-Theanine is well-tolerated, but some may experience mild gastrointestinal discomfort.

Can L-Theanine interact with medications?

Consult with a healthcare provider if you are taking medications, especially for anxiety or depression.