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    racetam
    intermediate
    synthetic

    Phenylpiracetam

    The most potent racetam. Originally developed for Soviet cosmonauts. Provides strong stimulant-like focus, motivation, and physical endurance. Banned by WADA.

    3h half-life 15min onset fat-soluble premium

    Quick Facts

    Common Dose

    100mg

    Dose Range

    50–300mg

    Frequency

    1x daily or as needed

    Half-Life

    3 hours

    Onset

    15 min

    Duration

    5 hours

    Cycling

    Required

    Legal Status

    research_chemical

    How It Works

    Modulates AMPA and NMDA glutamate receptors. Increases dopamine and norepinephrine receptor density. The phenyl group adds psychostimulatory properties.

    Neurotransmitter Pathways

    glutamatedopaminenorepinephrineacetylcholine

    Effects & Benefits

    intense_focus
    motivation
    physical_endurance
    cold_tolerance
    memory

    Dosing Guide

    Beginner
    50mg
    Standard
    100mg
    Advanced
    300mg

    💡 Fat-soluble — take with a fat source (e.g., fish oil, MCT oil) for better absorption.

    ⚠️ Start low and increase gradually. Individual responses vary.

    Cycling Protocol

    STRICT cycling required. 2-3 days on / 4-5 days off. Tolerance develops within 3-5 consecutive days.

    Tolerance Risk:
    high

    Side Effects & Safety

    Potential Side Effects

    Headache (without choline)Insomnia if taken lateIrritabilityAppetite suppression

    Contraindications

    Anxiety disordersInsomniaBipolar disorder

    Drug Interactions

    stimulantsmaois

    What the Community Says

    "One of the most praised nootropics on Reddit for raw cognitive performance. Users consistently compare it to the Limitless pill."

    highly positive_but_supply_issues
    Community ranking: #5 most discussed

    Based on analysis of r/Nootropics, r/StackAdvice, and r/biohackers

    Research & Evidence

    Phenylpiracetam: Pharmacological and Biochemical Mechanisms of Action

    2011 — Annals of Neurosciences

    Demonstrated cognitive enhancement across memory, attention, and psychomotor functions

    PubMed

    Best Stacked With

    Avoid Pairing With

    Where to Buy

    Estimated cost: $35/month

    Cycling Schedule

    STRICT cycling required. 2-3 days on / 4-5 days off. Tolerance develops within 3-5 consecutive days.

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    Frequently Asked Questions

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