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    adaptogen
    beginner
    natural

    Ashwagandha (Withania somnifera)

    Ancient Ayurvedic adaptogen primarily used for stress and anxiety reduction. Also supports testosterone, sleep quality, and recovery.

    6h half-life 45min onset fat-soluble budget

    Quick Facts

    Common Dose

    600mg (KSM-66 or Sensoril extract)

    Dose Range

    300–600mg

    Frequency

    1-2x daily

    Half-Life

    6 hours

    Onset

    45 min

    Duration

    8 hours

    Cycling

    Required

    Legal Status

    otc_supplement

    How It Works

    Withanolides modulate GABA-A receptors, reduce cortisol via HPA axis regulation, and exhibit anti-inflammatory properties.

    Neurotransmitter Pathways

    gabacortisolserotoninthyroid

    Effects & Benefits

    anxiety_reduction
    stress_resilience
    sleep_quality
    testosterone_support
    recovery

    Dosing Guide

    Beginner
    300mg (KSM-66 or Sensoril extract)
    Standard
    600mg (KSM-66 or Sensoril extract)
    Advanced
    600mg (KSM-66 or Sensoril extract)

    💡 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

    8 weeks on / 2-4 weeks off. Thyroid function should be monitored.

    Tolerance Risk:
    low

    Side Effects & Safety

    Potential Side Effects

    DrowsinessEmotional blunting/anhedoniaGI upsetThyroid changes

    Contraindications

    Thyroid disordersPregnancyAutoimmune diseasesLiver conditions

    Drug Interactions

    thyroid_medssedativesbenzodiazepinesimmunosuppressants

    What the Community Says

    "One of the most discussed and debated nootropics on Reddit. Many swear by it for anxiety; others report emotional flatness."

    very polarizing
    Community ranking: #3 most discussed

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

    Research & Evidence

    A Prospective, Randomized Double-Blind Study of Ashwagandha Root in Reducing Stress and Anxiety

    2012 — Indian Journal of Psychological Medicine

    Significant reduction in serum cortisol (27.9%) and stress scores vs placebo

    PubMed

    Best Stacked With

    Avoid Pairing With

    Where to Buy

    Estimated cost: $15/month

    Cycling Schedule

    8 weeks on / 2-4 weeks off. Thyroid function should be monitored.

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