Question 1

What is Phenibut?

Accepted Answer

Phenibut (β-phenyl-γ-aminobutyric acid) is a synthetic compound developed in Russia that has central nervous system effects and has been marketed in the U.S. in some products labeled as dietary supplements.

Question 2

What are the common uses of Phenibut?

Accepted Answer

Phenibut is commonly used for Sleep or anxiety support (marketing/consumer use; not an FDA-approved use).

Question 3

How does Phenibut work?

Accepted Answer

Phenibut is a GABA analog with activity at GABA receptors (commonly described as GABA-B–related CNS depressant effects), which can produce sedation and anxiolytic-like effects; effects and risks vary by person and product.

Question 4

What are the side effects of Phenibut?

Accepted Answer

Common side effects of Phenibut may include Sedation/sleepiness, Dizziness, Nausea. Always consult with a healthcare professional before starting any supplement.

Question 5

Are there any warnings or precautions for Phenibut?

Accepted Answer

FDA states phenibut does not meet the statutory definition of a dietary ingredient; products labeled as dietary supplements listing phenibut are considered misbranded. CNS depressant effects can impair driving/operating machinery. Additional precautions may apply.

Question 6

Is Phenibut FDA approved?

Accepted Answer

United States: FDA states phenibut is not a lawful dietary ingredient under the FD&C Act; products labeled as dietary supplements listing phenibut are misbranded.

Question 7

Where can I buy Phenibut?

Accepted Answer

Sold online and in some retail channels despite FDA position; often marketed for mood/sleep.

Phenibut

📋Overview

Common Uses

How It Works

Sources and Forms

Common Side Effects

Warnings and Precautions

Interactions

Regulatory Status

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