OstroVit L-Theanine


In stock

200mg L-theanine

90 Capsules

In stock


OstroVit L-Theanine

OstroVit L-Theanine is a vegan dietary supplement, which contains L-Theanine and inulin. Substances are recommended for people who live in constant tension, have problems with learning and concentration.

What is l-theanine and when it is worth reaching for it?

L-theanine is a biologically active non-proteinogenic amino acid which occurs naturally in tea leaves, represents about 1-2,5% of their dry weight and gives the tea infusion a distinctive umami flavor. Thanks to the fact that the chemical structure is very similar to the structure of glutamine, it is able to overcome the blood-brain barrier. In effect it can have a direct influence on your cognitive functions, e.g. may lower anxiety, support learning, as well as reduce physical fatigue after an intensive workout.


  • BRAIN SUPPORT – The product can support cognitive capabilities, which manifests itself with faster memorizing and better concentration.
  • FASTER REGENERATION – L-theanine can reduce physical fatigue so that it is perfect for athletes who want to who want to extend the duration of training and enjoy faster regeneration.
  • STIMULATION OF IMMUNITY – L-theanine metabolite activates gamma delta T cells which serve as a significant element of the immunological system.
  • VEGAN COMPOSITION – The dietary supplement is hidden in a vegan capsule which is free from animal-origin substances. Thanks to this, you can use it even if you lead a vegan lifestyle.

Suggested Use

Take 1 serving (1 capsule) daily with a meal.

Do not exceed the recommended daily dose. Do not use the product as a substitute (replacement) for a varied diet. Recommended are balanced diet and healthy lifestyle. Do not ingest if you are allergic to any of the ingredients. Do not consume the product by children, pregnant or nursing women. Keep out of the reach of children.

Nutritional Information

Active ingredients Per portion
L-theanine 200 mg
Inulin 100 mg


L-theanine, inulin, coating composition (bulking agent: hydroxypropyl methyl cellulose).

Product may contain milk (including lactose), soybeans, peanuts, other nuts, sesame seeds, cereals containing gluten, eggs, crustaceans, fish.

Nutrition Facts
Net weight of product: 32 g
Servings per container: 90
Serving size: 1 capsule

Also check out other OstroVit products here.

Additionally find out more about OstroVit here.