L-Theanine

L-Theanine – same-day delivery available. Just make sure the product you want is in stock. Choose products to buy from the comfort of your home and have them delivered to your address, to an AlzaBox, or to one of our stores. Learn more about why shop on Alza.cz.

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7 reasons to shop for L-Theanine on Alza.cz

We have a wide network of stores across the Czech Republic, where we follow all hygiene measures, as well as contactless AlzaBoxes (pick-up points).
You can see the availability of each item right away. Don't forget that we deliver on weekends too.
We accept most payment methods, including contactless and cryptocurrency.
You can easily return or exchange your product at any of our AlzaBoxes.
Need assistance? Our customer support is available 24/7.
We complement our range with accessories and additional services.
You'll find all the essential information for each product, and for some, user reviews to help with your selection.

What to consider when choosing L-Theanine?

If you're planning to get L-Theanine, there are a few aspects that can help you choose the right product. In the left menu, you can use the parametric filter to narrow down the selection to match your preferences. We also recommend sorting by popularity or price.

Make your selection easier. Click through our pre-made filters for the category: L-Theanine

Are you looking for the best L-Theanine? View products sorted by the best selling. If you are looking for top items based on price, check out the lowest priced L-Theanine, or choose to sort by price from highest to lowest.

BrainMax Sleep Magnesium 320 mg 100 capsules

96×

699,-

In stock > 5 pcs

10 variants 2 sizes

Magnesium - magnesium bisglycinate combination MagChel Mg +20 (800 mg, of which 160 g elemental magnesium), cherry juice (50 mg) and GABA (40 mg) in 1 capsule, contains...

BrainMax Sleep Kit

1,599,-

In stock > 5 pcs

Food Supplement Set contains: Sleep Faster, Sleep Magnesium, Super Ashwagandha

Beggs Better Sleep Developed with Marek Dvorak 60 capsules

3×

399,- Save 50,-

In stock > 10 pcs

Buy at the price for both existing and new AlzaPlus+ members 339,-

Dietary Supplement - to promote evening well-being, relaxation and restful sleep with a combination of plant extracts including valerian, GABA and vitamin B6 - 6.65 Kč/ks

Flow Focus 3.0 90 capsules

10×

890,-

In stock > 5 pcs

2 variants

Dietary Supplement - L-tyrosine (116 mg), L-theanine (100 mg), citicoline (116 mg), green tea (50 mg), Guarana (50 mg), Ginseng (50 mg), caffeine (117 mg), rosehip (33 mg), B...

BrainMax L-Theanine powder, 90 g

16×

299,-

In stock > 10 pcs

L-theanine - L-theanine extract, 0.2 g in 1 scoop, is classified as a non-essential amino acid and is commonly found in green tea, 450 doses, 90 g

NutriWorks L-Theanine 50 g

4×

519,-

In stock 4 pcs

L-theanine - L-theanine, 300 mg in 1 scoop, an amino acid found, for example, in green tea, in matcha or maté, Nordic quality, clean, instant form, does not contain artificial...

BrainMax Mood Booster, Mood Support Complex, 90 herbal capsules

4×

799,-

In stock > 5 pcs

Dietary Supplement - St. John's wort extract (400 mg), basil sacred (100 mg), Pantothenic acid (18 mg) and other ingredients in 1 dose, vegetable capsules, made without artificial...

GymBeam Sleep & Relax 225 g watermelon

5×

389,-

In stock > 10 pcs

3 variants

Buy at the price for both existing and new AlzaPlus+ members 350,-

Dietary Supplement - combination of 12 functional substances, e.g. magnesium (300 mg), Glycine (1000 mg), GABA (500 mg), L-tryptophan (500 mg) and valerian extract (500 mg) in 1...

Flow Stress free 90 capsules

5×

889,-

In stock 2 pcs

Dietary Supplement - magnesium (14 mg), ashwagandha (100 mg), chaga (100 mg), eleutherococcus barbed (100 mg), St. John's wort (66 mg), Baikal coneflower (66 mg), L-theanine (66...

MOVit Energy Sleep Complex L-Theanine + Magnesium + Herbal Extracts, 90 capsules

4×

579,-

In stock > 5 pcs

L-theanine - magnesium bisglycinate combination (250 mg), L-Theanine (100 mg), valerian extracts (75 mg), hops (62,5 mg), lemon balm (25 mg), passion fruit (25 mg) and vitamin B6...

GymBeam Sleep & Relax 225 g mango and passion fruit

8×

389,-

In stock > 10 pcs

3 variants

Dietary Supplement - combination of 12 functional substances, e.g. magnesium (300 mg), Glycine (1000 mg), GABA (500 mg), L-tryptophan (500 mg) and valerian extract (500 mg) in 1...

GymBeam Sleep & Relax 225 g forest fruit

8×

389,-

In stock > 10 pcs

3 variants

Dietary Supplement - combination of 12 functional substances, e.g. magnesium (300 mg), Glycine (1000 mg), GABA (500 mg), L-tryptophan (500 mg) and valerian extract (500 mg) in 1...

OstroVit Theanine + Tyrosine VEGE, 90 capsules

1×

319,-

In stock > 10 pcs

L-theanine - reduce feelings of stress and improve attention or concentration, may promote weight loss and also eliminate the harmful stimulant effects of caffeine, may improve...

NOW FOODS L-Theanine with decaffeinated green tea, 100 mg + 250 mg, 90 vegetable capsules

1×

369,-

In stock > 5 pcs

Dietary Supplement 100 mg L-Theanine amino acid, 250 mg decaffeinated green tea, 90 vegetable capsules. - 4.10 Kč/ks

NATIOS Mind Focus, 60 vegan capsules

2×

559,- 659,-

In stock > 5 pcs

Dietary Supplement - combination of active ingredients, for example, citicoline (200 mg), N-Acetyl L-Tyrosine (150 mg), L-Theanine (100 mg), ginseng extract (50 mg) and rosehip...

Stada SpiLEEP forte 30 tablets

5×

209,-

In stock > 10 pcs

Dietary Supplement - Combination of hop extract (150 mg), L-theanine (100 mg) and valerian (50 mg) in 1 tablet, 30 tablets - 6.97 Kč/ks

PROM-IN Sleep Help, 60 capsules

2×

239,-

In stock > 5 pcs

Dietary Supplement - combination of dried cherry grass extract (400 mg), valerian (125 mg) and L-Theanine (125 mg) in 1 capsule, can be combined very effectively with...

NutriGums Mind & Focus Complex 60 gummies

3×

369,-

In stock > 5 pcs

Dietary Supplement - a combination of Ashwagandha root extract (50 mg), green tea leaf extract (10 mg), vitamin B5 (3.6 mg), B6 (8.4 mg), B12 (1.5 µg) and D3 (1.5 µg) in 1 candy,...

OlaOla Magnesium Sleep Support, 90 capsules

1×

449,-

In stock > 10 pcs

3 variants

Magnesium - for better falling asleep and deeper rest, highly absorbable magnesium for your evening well-being - 4.99 Kč/ks

Life Extension Theanine XR™ Stress Relief, 30 capsules

1×

649,-

In stock > 5 pcs

L-theanine - L-theanine (Theanine XR™) 400 mg, calcium 50 mg, phosphorus 40 mg in 1 tablet, 30 tablets - 22 Kč/pcs

Fitstream Easy Slim drink day night 90 g 30 pack

1×

878,- 949,-

In stock > 5 pcs

Fibre - two-phase treatment, support metabolism and digestion, increase in energy, regeneration of the organism, a daily lime dose and a nightly peach dose, 30 × servings, suitable...

Powerlogy Upgraded Brain Focus 60 capsules

899,-

In stock > 5 pcs

Dietary Supplement - complex of nootropics for brain nutrition, concentration and memory support

Vilgain Calm Down Lemon Balm 30 ml

249,-

In stock > 5 pcs

Dietary Supplement - herbal drops with lemon balm and lavender for mental well-being and support of normal sleep, supplemented with L-theanine

OlaOla Deep Sleep Support, 60 capsules

299,-

In stock > 10 pcs

Dietary Supplement - to promote deep sleep and nighttime regeneration - 4.98 Kč/ks

L-Theanine

In the category L-Theanine on Alza.cz, we currently have a total of 37 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app. Continue

L-Theanine

7 reasons to shop for L-Theanine on Alza.cz

What to consider when choosing L-Theanine?

Make your selection easier. Click through our pre-made filters for the category: L-Theanine

L-Theanine

L-Theanine – proved brands

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