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? Browse products sorted by popularity, or consult the reviews from other users.

Cheapest vs. most expensive L-Theanine

If you are looking for products based on price, you can browse the lowest priced L-Theanine, or choose to sort by price from highest to lowest.

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53 Results
4.6 14×
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Clinical Melatonin Forte Magnesium L-Theanine 30 tablets
Melatonin - containing magnesium and l-theanine, 30 tablets
BLACK FRIDAY -23 % 99,- 129,-
Currently Unavailable
Order Code: SPTcli050
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Blendea IQ+ Brain Booster 60 capsules
Guarana -a combination of guarana extract (360mg), bacopa leaf extract (90mg) and rhodiola rosea extract (50mg) in 1 capsule, contains caffeine, vegan, 60 capsules - 5.48 Kč/ks
Discounted -19 % 329,- 409,-
Currently Unavailable
Order Code: SPTble072
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Superionherbs Alphashift Relissa Phytosome + L-theanine 90 capsules
Dietary Supplement - Contains a patented form of Relissa Phytosome lemon balm and L-theanine for high absorption, supports mental well-being, concentration and overall mental balance, helps reduce stress and improve sleep quality without feeling depressed, vegan capsules without preservatives
  849,-
Currently Unavailable
Order Code: SUPdop0045
2.0 1×
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Maxi Vita Essentials RegenSleep, 60 capsules
Dietary Supplement - to promote sleep, L-theanine from green tea, Lemon balm, Goat, hops, magnesium bisglycinate, melatonin, Promoting sleep and relaxation
BLACK FRIDAY -20 % 199,- 249,-
Currently Unavailable
Order Code: SPToth1521
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Clinical Melatonin Forte Magnesium L-Theanine 100+50 tablets + Magnesium chelate + B6 30 capsules
Food Supplement Set - combination of L-theanine (408mg), magnesium in bisglycinate form (112.5mg) and melatonin (0.98mg) in 1 tablet, suitable for vegans, 150 tablets + 30 capsules
  439,-
Currently Unavailable
Order Code: LEK177
In the category L-Theanine on Alza.cz, we currently have a total of 53 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.
Check out products sorted by price starting with the lowest price in the category cheap l-Theanine