How Long After Phenibut Can I Eat (And Why)?

Exact Answer: Up to 1 hour

Phenibut is known to have been developed around the 1960s in Russia as an anti-anxiety drug or medicine. It was known to enhance the cognitive mind and has been in the market ever since. It has also attracted a lot of users because of its memory-boosting properties.

The medicine is used to treat anxiety, PTSD (Post-traumatic stress disorder), balance (vestibular) disorder, and many more such issues. This is the reason why it is very popular amongst many. But there are also certain queries such as how to eat this medicine, how long after phenibut can one eat, and many such questions.

How Long After Phenibut Can I Eat


Test your knowledge about topics related to Health

1 / 10

Which of the following is NOT a symptom of depression?

2 / 10

Vitamin D is sometimes called the:

3 / 10

What is the main cause of hypertension (high blood pressure)?

4 / 10

White blood cells that attack pathogens are called ______________.

5 / 10

What is the main cause of heart disease?

6 / 10

What is the role of vitamin C in the body?

7 / 10

What is the best way to improve sleep quality?

8 / 10

How many hours of sleep is recommended for an adult?

9 / 10

What is the most common type of arthritis?

10 / 10

Many children with asthma experience more severe reactions when they breathe ___________________.

Your score is


How Long After Phenibut Can I Eat?

Phenibut is a type of synthetic, designer drug whose chemical structure is much more similar to that of GABA. For those who don’t know, GABA (Gamma-aminobutyric acid) is a natural amino acid that works as a neurotransmitter in the brain. The same is the work of this drug as well.

According to many of the people who are regular users of phenibut, this drug works best when taken empty stomach and the person should wait for at least 1 hour or so before eating anything else, after having taken this medicine.

It is also important to know about the time till when the medicine shows its effect on the body. The half time of this drug is 5 and a half hours. And if you are wondering about the side effects of this drug, no worries.

This drug is considered safe to use both by doctors as well as the people who have been taking it for a longer time now. But this proves true only if taken in the required quantity and not overdosed. The side effects of this medicine are not many. However, many people have experienced the issue of drowsiness, nausea, headache, etc.

Also, the medicine is already a depressant which means that you should not combine it with other depressants such as alcohol, opioids sedatives, etc.

PhenibutTime (when you can take food)
Phenibut HCL (taken empty stomach)1 hour after taking the medicine
Phenibut FAA (normally)1-2 hours after taking the medicine

Why Does It Take So Long to Eat After Taking Phenibut?

Usually, it is recommended that you eat anything only if it has been 1-2 hours. Eating anything before this time gap may affect the working of the drug. And this is the minimum time that is required for this medicine to work in a better way. Now that you already know the time of when to eat, you should also know about how this medicine works in the body.

The medicine activates the GABA receptors in the brain and calms down the neural activity which in turn gives relaxes one’s mind and body and reduces anxiety as well. Performing so much activity takes almost an hour.

However, many a time, people are mistaken that the drug isn’t working in a proper way and they tend to take more of it which in turn leads to toxicity or overdose of this drug. And if you are still wondering as to how long after phenibut you can eat, the answer is at least 1 hour.


The medicine should be taken empty stomach. The reason for this is that the most common form of this drug- Phenibut HCL is actually water-soluble. This means that it actually works best if taken empty stomach. In a nutshell, it is advisable that you don’t take Phenibut with any food, and also maintain a time gap of 1-2 hours before eating anything till the medicine is fully kicked in for the day.


It is recommended that you take Phenibut empty stomach and don’t eat anything for at least one and a half hours. This would ensure proper digestion and work of the drug.

As per most regular users, phenibut is a wonderful substance that helps them deal with anxiety, depression, and many such issues. However, if taken on a regular, day-to-day basis, it can lead to heightened tolerance addiction.

Hence, it is advised to take the medicine in limited quantity to avoid any kind of overdose and get a positive result.



Last Updated : 23 February, 2024

dot 1
One request?

I’ve put so much effort writing this blog post to provide value to you. It’ll be very helpful for me, if you consider sharing it on social media or with your friends/family. SHARING IS ♥️

Leave a Comment

Your email address will not be published. Required fields are marked *