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Eternal Formulations: Phenibut (90 Capsules)

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Original price $44.99 - Original price $44.99
Original price
$44.99 - $44.99
Current price $44.99

Enhance mood and relaxation with Phenibut capsules by Eternal Formulations, available online in limited stock—recommended dosage: 1 capsule (250mg) per day.

What is Phenibut by Eternal Formulations?

A Powerful Nootropic that works by supporting mood.


500mg Phenibut Capsules Now Available

White bottle with green and black label of phenibut capsules

Eternal Formulation Phenibut Benefits

  • Mood
  • Relaxation
  • Sleep
Bottle of Core Labs X Pheni-B Ultra nootropic supplement with 100 capsules for cognitive enhancement and sleep support.

Where can I buy Phenibut?

Phenibut is available for purchase online from a variety of retailers. We recommend Eternal Formulations, as they offer high-quality Phenibut capsules at an affordable price.


Phenibut should not be taken with alcohol or other central nervous system depressants. It is also important to speak with a healthcare professional before taking Phenibut if you are taking any medications, as there may be potential interactions.

Phenibut Dosage

Eternal Formulations recommends taking 1 capsule (250mg) per day or as instructed by a healthcare professional.

Phenibut Ingredients

  • Phenibut:
    Phenibut is the main active ingredient in Phenibut capsules. It is a synthetic compound that is derived from the brain neurotransmitter GABA.


Phenibut can interact with other drugs and supplements and should not be used without consulting a healthcare professional.


Phenibut is a powerful nootropic that is used to support mood and sleep. 

Frequently Asked Questions:

1. How long does Phenibut take to work?

Phenibut takes effect within 30-60 minutes after ingestion.

2. How long does Phenibut last?

The effects of Phenibut can last... Read More

-Orders Monday-Friday typically ship the same day when placed before 3PM EST.
-Most orders are received within 4 business days.
-This product ships internationally to any country. However, the customer is responsible for any customs related fees or import issues.

See Shipping Policy:

Q1: What are the benefits of Eternal Formulations Phenibut?

A1: Eternal Formulations Phenibut provides mood, relaxation, and sleep support.

Q2: Where can I buy Phenibut, and why choose Eternal Formulations?

A2: Phenibut is available online; we recommend Eternal Formulations for quality capsules at an affordable price.

Q3: How should I take Phenibut, and are there any interactions or contradictions?

A3: Take 1 capsule (250mg) per day, avoid alcohol, consult a healthcare professional for interactions, and use under supervision.

Serving Size: 1 Capsule
Servings Per Container:90

Phenibut - 250mg

Other Ingredients: Gelatin (Capsule), Rice Flour, Magnesium Sterate, Silicon Dioxide

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Eternal Formulations: Phenibut (90 Capsules)

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Customer Reviews

Based on 1 review
These are the real deal

Really great product. Just be careful they take a while to kick in. I usually take the powder and that has a delayed response as is. The capsules add even more time for it to kick in, so don't exceed your normal dose.

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