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Sleep & StressModerate Evidence3rd Party Tested

Ashwagandha

Also known as: Withania somnifera, Indian Ginseng, Winter Cherry, KSM-66

The ancient adaptogen for stress resilience and recovery

7/10 Evidence Score

Primary Benefit

Stress Reduction & Recovery

Standard Dose

300–600 mg/day (standardized extract)

Evidence

Certifications

Informed Sport

Overview

Ashwagandha is one of the most important herbs in Ayurvedic medicine, classified as an adaptogen: a substance that helps the body resist physical and mental stress. Modern research supports its traditional uses, showing benefits for cortisol, anxiety, strength, and reproductive health.

Benefits & Evidence

  • Significantly reduces cortisol levels and perceived stress
  • May reduce anxiety and depression symptoms
  • Improves physical performance and recovery
  • Supports testosterone levels in men
  • Enhances sleep quality

Clinical Study Summaries

An investigation into the stress-relieving and pharmacological actions of an ashwagandha extract

2019

Medicine

Ashwagandha root extract significantly improved stress-related outcomes including cortisol levels, anxiety, and sleep quality.

View study

Recommended Dosage

Standard Dose300–600 mg/day (standardized extract)
Minimum300 mg/day
Maximum600 mg/day
TimingEvening for sleep; split dosing for stress
Notes: Look for standardized extracts (KSM-66 or Sensoril). These are more concentrated and better researched than raw root powder. Full benefits seen after 4–12 weeks of consistent use.

Side Effects & Interactions

Potential Side Effects
  • May cause sedation (beneficial for sleep)
  • Mild GI upset in some people
  • Rare thyroid effects (monitor if on thyroid medication)
Drug & Nutrient Interactions
  • Sedatives and anxiolytics (additive effects)
  • Thyroid medications (may alter thyroid hormone levels)
  • Immunosuppressants (may stimulate immune system)

Who Should Consider It

Good candidates

  • High-stress individuals
  • Athletes seeking improved recovery
  • People with anxiety
  • Men with suboptimal testosterone levels
  • Those with poor sleep quality

Use caution or avoid

  • Pregnant women (may stimulate uterine contractions)
  • Those with autoimmune conditions
  • Individuals with thyroid disorders (without physician guidance)
Medical Disclaimer

This information is for educational purposes only. It does not constitute medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you have health conditions or take medications.

Third-Party Testing

This supplement has products available with independent quality verification.

Informed Sport
Evidence Breakdown
Overall Score7/10
Popularity8/10

Evidence Level

Moderate

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