Horme

Ashwagandha

Promising but with heterogeneous studies.

  • Tier C — Preliminary or mixed — it might work, it might not
  • Recovery

What it is for

Stress/cortisol management; signs of improved strength and recovery.

How it works

An adaptogen that appears to modulate the stress axis (HPA) and reduce cortisol in stressed people.

Dosing

Extracts and concentrations are not interchangeable; there is no universally validated sports performance dose.

When to take it

With food; some prefer it at night for its relaxing effect.

Safety

Safety data mainly cover up to 3 months; long-term safety is uncertain and rare liver injury cases have been reported.

Side effects

Drowsiness, digestive discomfort; rare cases of liver involvement.

Interactions

Sedatives, thyroid medication and immunosuppressants.

Contraindications

Avoid during pregnancy and breastfeeding. Not recommended with thyroid or autoimmune disorders, before surgery, or with hormone-sensitive prostate cancer; also assess liver disease.

Who it has been studied in

A greater effect in people under high stress.

Frequently asked

Does it raise testosterone?

Modest and heterogeneous signals; do not treat it as a reliable hormonal booster.

Evidence tier
C
Quality
Variable (small studies)
Studies
Several RCTs, many with a conflict of interest
Consensus
No firm consensus
Controversy
Methodological quality and long-term liver safety
Reviewed
2024

Strength of evidence out of 5.

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