Phenibut

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What other names is Phenibut known by?

4-Amino-3-Phenylbutyric Acid, Acide 4-Amino-3-Phenylbutyrique, Acide Bêta-phényl-gamma-aminobutyrique, Agente Gabaérgico, B-Phenyl-Gamma-Aminobutyric Acid, Beta-Phenyl-GABA, Bêta-Phényl-GABA, Beta-phenyl-gamma-aminobutyric acid, Fenibut, Phénibut, Phenyl-GABA, Phényl-GABA.

What is Phenibut?

Phenibut is a chemical similar to a brain chemical called gamma-aminobutyric acid (GABA). It is used as medicine.

Phenibut is used for anxiety, fear, trouble sleeping (insomnia), tension, stress, fatigue, post-traumatic stress disorder (PTSD), depression, alcoholism, and irregular heartbeat. It is also used for improving memory, learning, and thinking.

Insufficient Evidence to Rate Effectiveness for...

More evidence is needed to rate the effectiveness of phenibut for these uses.

Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings).

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How does Phenibut work?

Phenibut is similar to the brain chemical called gamma-aminobutyric acid (GABA). Research in animals shows that it might decrease anxiety and have other effects on the body. But phenibut has not been studied in people, so no one knows whether it might work as a medicine.

Are there safety concerns?

There is not enough information to know if phenibut is safe. It has not been studied in people.

Special Precautions & Warnings:

Pregnancy and breast-feeding: not enough is known about the use of phenibut during pregnancy and breast-feeding. stay on the safe side and avoid use.

Dosing considerations for Phenibut.

The appropriate dose of phenibut depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for phenibut. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.

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Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

Reviewed on 3/29/2011 12:35:40 PM

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