What Is A Proper Caffeine And L-Theanine Stack Dosage?

Stacking is one of the most popular techniques that allows one to get different cognitive enhancers to work together and provide much more benefits than when they are single substances. This is done in order to attain a nootropic synergy which is just a combination of different substances in order to amplify the benefits.

The Caffeine and L-Theanine stack is a combination of two powerful substances namely caffeine and L-Theanine. Caffeine is a stimulant drug that is widely used as a psychoactive substance and is derived from foods and herbs. Theanine, on the other hand, is a chemical that is commonly found in green tea and helps to relax and sooth an individual.


When they are individual substances, they have several benefits and when stacked together, their benefits amplify even further. Below are the benefits of stacking caffeine and L-Theanine.

Greater visual acuity

When one takes the supplement, one is assured of having improved sight. This means that one will be able to read well, drive well and even watch TV shows better. Improved visual acuity is highly beneficial especially during the night when eyesight is limited.

Increased mental focus with 1-200mg of each nootropic

Thanks to the active ingredients in the substances, the brain’s neurotransmitters are activated therefore allowing one to retain more information and have the ability to pass the studies. What one reads now will be retained in the memory banks of the brain and will be disseminated when required.

Better memory recall

As a nootropics substance, one is assured of improved memory, therefore, they will be able to remember events they had long forgotten in the past with ease. The past events can include music playlist, past TV show, past idea, and even an important event.

Increased alertness

Whether one is a student or an office worker or a driver, the focus is required in order to complete different tasks with ease. Improved alertness allows one to be focused on what they are doing, therefore, avoiding accidents.

Better reaction times

Having better reaction times can be handy in everyday life. For example, athletes will be able to shave off a few seconds when they hear the start gun during a race. Other times, better reaction time can enable one to avoid accidents and other issues.

Reduces anxiety

Anxiety is a common emotion that everyone experiences from time to time. This occurs especially when one is faced by a problem be it at school, home or work. Anxiety can cause distress, therefore, it will interfere with an individual’s ability to lead a normal life.

When one takes the stack, thanks to the active ingredients in it, it will result in the production of serotonin and dopamine, both of which are neurotransmitters in the brain. They are known to help one to stay relaxed therefore reducing anxiety levels greatly.

Recommended Dosage

Each capsule of the caffeine and L-Theanine stack measures around 200 mg, therefore, the recommended dosage of Caffeine and L-Theanine and alike stacks, in order to gain the above benefits and more should be between 50 to 400 mg in a day (in either order of the two.). Taking more than that will affect one’s heartbeat and also interfere with sleep cycles. This may be as a result of the caffeine.

Side Effects

As separate substances, they are known to have their own side effects which affect the health of an individual. For example, caffeine is known to affect sleep cycles as well as result in cardiac arrhythmias. An overdose of the substance will induce nausea as well as diarrhea. On the other hand, L-Theanine is known not to have side effects as it is water soluble.

When it comes to the stack of the two substances, the side effects of caffeine will stand out more than those of L-Theanine. This may be attributed to L-Theanine water solubility property, therefore, it will be washed out of the body.

When it comes to the side effects of the stack, in order to avoid them, all you need to do is start with small doses before increasing them over time. Working with an expert will enable you to avoid the side effects.

Long-Term Use

Using the stack for a long time will ensure that one is able to have improved visual acuity, have greater muscle dexterity, have increased mental focus as well as longer natural attention span. This means that one will be able to retain more information especially if they are involved in academic studies. Students will be able of passing their exams.

Short-Term Use

Using the product on a short term basis will assure one of the benefits such as memory recall, better reaction times, alertness and increased mental focus. When it comes to side effects, one may have interrupted sleep cycles and cardiac arrhythmias especially when one increases the dose.

Legal Status

L-Theanine as a supplement is sold online and it’s a legal nutritional supplement in the US, UK, and Canada. In the US, the supplement is approved by the FDA, therefore, it’s accepted for use and selling in the above countries.

Caffeine is a substance that is found in products like coffee and coffee is sold widely around the world as a beverage. As it is approved in all countries around the world, coffee is a drink that is loved by many. Caffeine, when taken in high doses, can result in several issues such as diarrhea.

The stack of caffeine and L-Theanine is therefore legal and it’s classified by the FDA as GRAS which means generally regarded as safe.

Final Thoughts

The caffeine and L-Theanine stack is considered a combination of two powerful substances that help to improve the health of an individual. While the two substances are known to be powerful, when combined they have several benefits. There is no one caffeine and L-Theanine dosage that works for everyone, and the only way to truly decide what amount is best is with a trial!

The benefits include increased focus, help to promote a calm, focused mindset, increased wakefulness especially with no jitters, reduced anxiety levels, improved mood, improved learning and also creates a feeling of relaxed alertness.

While the stack has several benefits, there are a few side effects that one may experience such as interrupted sleep cycles as well as cardiac arrhythmias. The side effects are attributed to caffeine as L-Theanine is considered to be water soluble therefore it is safely eliminated by the body.

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