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L-Theanine – natural supplement for balance and well-being

64 products

L-theanine from green tea. Relaxation without drowsiness, often with caffeine.

Nutricost L-Glutamine Powder 300g – Nutricost packaging

Nutricost

Nutricost L-Glutamine Powder 300g

€17.36

Backorder · 5–7 business days

Labrada Glutamin Recovery 500g powder – Labrada packaging

Labrada

Labrada Glutamin Recovery 500g powder

€32.89

Backorder · 5–7 business days

Dorian Yates Glutamine - 300g Powder – Dorian Yates packaging

Dorian Yates

Dorian Yates Glutamine - 300g Powder

€19.19

Backorder · 5–7 business days

Doctor's Best - L-Theanine Alphawave 200 mg - 60 Vegetable Capsules – Doctor's Best packaging

Doctor's Best

Doctor's Best - L-Theanine Alphawave 200 mg - 60 Vegetable Capsules

€21.93

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BioTechUSA Glutamine Peptide 180 Mega Caps – BioTechUSA packaging

BioTechUSA

BioTechUSA Glutamine Peptide 180 Mega Caps

€27.41

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Applied Nutrition Glutamine 4K - 120 capsules – Applied Nutrition packaging

Applied Nutrition

Applied Nutrition Glutamine 4K - 120 capsules

€16.45

Backorder · 5–7 business days

5% Nutrition - L-Glutamine 5000 Powder 500 g – 5% Nutrition packaging

5% Nutrition

5% Nutrition - L-Glutamine 5000 Powder 500 g

€25.58

Backorder · 5–7 business days

Nutrend - Glutamine Compressed Caps - 120 capsules – Nutrend packaging
-30%

Nutrend

Nutrend - Glutamine Compressed Caps - 120 capsules

€10.69€15.17

Delivery 1–2 days

MuscleMeds Glutamine Decanate 300g – MuscleMeds packaging

MuscleMeds

MuscleMeds Glutamine Decanate 300g

€21.01

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UNS L-Glutamine powder 200 g – UNS packaging
Out of stock

UNS

UNS L-Glutamine powder 200 g

€16.45

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Forest Vitamin L-Glutamine Powder 500 g – Forest Vitamin packaging
Out of stock

Forest Vitamin

Forest Vitamin L-Glutamine Powder 500 g

€14.62

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Applied Nutrition L-Glutamine Powder Micronized 500 g – Applied Nutrition packaging
Out of stock

Applied Nutrition

Applied Nutrition L-Glutamine Powder Micronized 500 g

€22.84

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Redcon1 Glutamine 300g – Redcon1 packaging
Out of stock

Redcon1

Redcon1 Glutamine 300g

€23.75

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Gaspari Nutrition L-Glutamine 300g – Gaspari Nutrition packaging
Out of stock

Gaspari Nutrition

Gaspari Nutrition L-Glutamine 300g

€19.19

Backorder · 5–7 business days

Solgar L-Glutamine 500 mg 50 Vegan Capsules – Solgar packaging
Out of stock

Solgar

Solgar L-Glutamine 500 mg 50 Vegan Capsules

€16.45

Backorder · 5–7 business days

L-Glutamine, Unflavoured - 150g | Kiki Health – Kiki Health packaging
Out of stock

Kiki Health

L-Glutamine, Unflavoured - 150g | Kiki Health

€20.10

Backorder · 5–7 business days

Amix - Glutamine Micro Powder - 500g – Amix packaging
Out of stock

Amix

Amix - Glutamine Micro Powder - 500g

€25.58

Backorder · 5–7 business days

Trec Nutrition Glutamine High Speed 500 g powder – Trec packaging
2 variants

Trec

Trec Nutrition Glutamine High Speed 500 g powder

from€227.00

Backorder · 5–7 business days

Trec - L-Glutamine Micronized T6 - 240 capsules – Trec packaging
Out of stock

Trec

Trec - L-Glutamine Micronized T6 - 240 capsules

€17.08

Backorder · 5–7 business days

GAT Sport - L-Glutamine - 300g – GAT Sport packaging
Out of stock

GAT Sport

GAT Sport - L-Glutamine - 300g

€24.58

Backorder · 5–7 business days

Skull Labs Glutamine – 300g Powder – Skull Labs packaging
Out of stock

Skull Labs

Skull Labs Glutamine – 300g Powder

€17.08

Backorder · 5–7 business days

Usa Medical L-Theanine Relax – 60 capsules – Usa Medical packaging
Out of stock

Usa Medical

Usa Medical L-Theanine Relax – 60 capsules

€18.27

Backorder · 5–7 business days

Cellucor Performance Glutamine 510g Powder – Cellucor packaging
Out of stock

Cellucor

Cellucor Performance Glutamine 510g Powder

€32.89

Backorder · 5–7 business days

American Supps - Anabolic L-Glutamine - 500g – American Supps packaging
Out of stock

American Supps

American Supps - Anabolic L-Glutamine - 500g

€26.49

Backorder · 5–7 business days

What is L-Theanine?

L-Theanine is an amino acid primarily found in the leaves of green tea (Camellia sinensis). It has become popular as a dietary supplement due to its unique properties that distinguish it from other amino acids. L-Theanine affects brain activity in a way that can contribute to a sense of calm and focus without causing drowsiness. This amino acid is often taken as a supplement by individuals seeking to support their mental balance in daily life.

L-Theanine is water-soluble and is rapidly absorbed by the body when consumed, either through tea or as a concentrated supplement. Due to its natural occurrence in tea, L-Theanine is a popular choice for those looking for mild and natural methods to complement their health.

Benefits 26amp; Uses

L-Theanine is primarily used to complement a healthy lifestyle and has several appreciated uses. Here are some of the most common reasons many choose L-Theanine as a supplement:

  • Support for mental relaxation: L-Theanine can contribute to a calmer mood without negatively affecting alertness.
  • Promote focus and concentration: Many use L-Theanine to maintain sharpness and presence during workdays or studies.
  • Complement to caffeine: Often combined with caffeine to reduce any anxiety or restlessness that caffeine may cause.
  • Natural origin: Since L-Theanine comes from green tea, it can be an attractive option for those seeking natural supplements.
  • Flexible dosage forms: Available in capsules, tablets, and powder, making it easy to tailor to individual needs.

How to choose the right L-Theanine

Choosing the right L-Theanine supplement can affect both the experience and the effect. Here are some tips to make an informed choice when buying L-Theanine online:

  • Check the dosage: Common doses often range between 100 and 200 mg per serving, but adjust according to your needs and any recommendations.
  • Quality and purity: Choose products free from unnecessary additives and with clear information about ingredients and manufacturing processes.
  • Supplement form: Consider whether you prefer capsules for easy dosing or powder that can be mixed into drinks.
  • Certifications: Products with quality and safety certifications can provide extra assurance.
  • Reviews and feedback: Read customer reviews to get an idea of the product’s effect and user-friendliness.
  • Combination with other supplements: If you use other products, such as caffeine supplements or adaptogens, some L-Theanine products may suit you better than others.

By considering these factors, you can find the best L-Theanine supplement for your specific needs.

Popular variants

L-Theanine is available in several forms and variants that make it easy to find a suitable supplement:

  • Capsules: One of the most popular forms, easy to dose and carry.
  • Tablets: Similar to capsules but may contain different fillers and binders depending on the manufacturer.
  • Powder: L-Theanine in powder form can be mixed into water, juice, or smoothies. Offers flexibility in dosing and use.
  • Combination products: L-Theanine is often combined with caffeine or other amino acids and adaptogens for specific effect profiles.
  • Purity level: Some products offer L-Theanine with extra high purity or organic origin, which may be of interest to the quality-conscious.

Frequently asked questions about L-Theanine

What is the difference between L-Theanine and other amino acids?

L-Theanine differs from other amino acids by its unique ability to influence brain activity and promote relaxation without making you tired. It is not a building block for proteins in the same way as many other amino acids, which makes it particularly popular as a supplement.

Can I take L-Theanine together with caffeine?

Yes, L-Theanine is often taken together with caffeine to mitigate any side effects such as nervousness or palpitations. The combination can provide a more balanced and pleasant effect, making it popular among people who want to maintain focus while feeling calmer.

How quickly does L-Theanine work after intake?

L-Theanine is absorbed relatively quickly in the body and many experience effects within 30 to 60 minutes after intake. The effect can be individual and varies depending on dose and whether you take it on an empty stomach or with food.

For more information about other amino acids, please visit our category Amino Acids or discover more supplements that can complement your health.