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Can ashwagandha harm your liver? Fortis gastroenterologist explains the science

Ashwagandha has many health benefits, but can it harm your liver? A gastroenterologist cleared the air and also shared who should avoid it and why medical advice should be sought before incorporating it into your diet.
March 18, 2026 / 14:07 IST
Health benefits of ashwagandha: It helps induce sleep, reduce cortisol and stress, and, in some men, it might also improve testosterone levels (Image: Pexels)
Snapshot AI
  • Ashwagandha offers anti-inflammatory and stress-reducing benefits
  • Contaminated supplements may harm liver due to heavy metals.
  • Consult a doctor before using ashwagandha, especially if at risk

Ashwagandha, or Withania somnifera, is one of the most popular ancient Indian herbs. It has several health benefits, but does that mean it is for everyone? With so much speculation about its potential harm to liver health, Fortis gastroenterologist Dr Shubham Vatsya, in his new Instagram post, finally cleared the air.

Health benefits of ashwagandha

Sharing science-based facts, he confirmed that the famous herb has anti-inflammatory, antimicrobial, anti-diabetic, and neuroprotective properties. “It helps induce sleep, reduce cortisol and stress, and, in some men, it might also improve testosterone levels naturally,” he added.

Also read | Best time to take supplements: Doctor suggests when to take Ashwagandha, Omega-3 fatty acids, more

View this post on Instagram
A post shared by Dr. Shubham Vatsya (@dr.shubhamvatsya)

Improve sleep

Studies show that consuming ashwagandha can help improve sleep quality in people with and without insomnia.

Reduce stress and anxiety

Consuming the supplement also leads to noticeable improvements in stress levels, anxiety disorders, and overall quality of life. According to research, it can also lower cortisol and increase serotonin levels.

Also read | Why athletes, and fitness enthusiasts are choosing Ashwagandha for strength, stamina, and recovery?

Anti-inflammatory properties

Inflammation is linked to chronic diseases, and research indicates that the supplement may have anti-inflammatory effects.

Boost testosterone in men

Studies suggest that men who consume ashwagandha regularly have improved testosterone levels.

But is it really safe for the liver?

Dr Vatsya cited research suggesting that ashwagandha can cause liver injury. “Some studies have reported cases of liver injury, especially with poor-quality supplements,” he wrote, explaining that the real problem starts with the way its roots absorb compounds like lead and nickel from the soil while it’s growing.

When used in supplements, it can cause more damage than you might think. “The issue is not the herb itself, but its purity and sourcing. Heavy metals like lead can contaminate it and cause harm to multiple organs,” he added.

Ashwagandha is, thus, not considered suitable for pregnant women or people with thyroid disorders or liver issues. It is safe for consumption only when the preparation is pure and after you have sought medical advice from a qualified doctor. “Natural doesn’t always mean safe; always consult a doctor first,” Dr Vatsya cautioned.

FAQs on Ashwagandha

1. What are the main health benefits of ashwagandha?

Ashwagandha has anti-inflammatory, antimicrobial, anti-diabetic, and neuroprotective properties. It helps induce sleep, reduce cortisol and stress, and may improve testosterone levels in some men.

2. Can ashwagandha improve sleep quality?

Yes, studies indicate that consuming ashwagandha can enhance sleep quality in individuals with and without insomnia.

3. How does ashwagandha affect stress and anxiety?

Ashwagandha consumption leads to noticeable improvements in stress levels, anxiety disorders, and overall life quality by lowering cortisol and increasing serotonin levels.

4. Are there any risks associated with ashwagandha consumption?

Yes, ashwagandha can cause liver injury, particularly due to contamination with heavy metals like lead from poor-quality supplements. Always consult a doctor before use.

5. Who should avoid taking ashwagandha?

Ashwagandha is not suitable for pregnant women or individuals with thyroid disorders or liver issues. It should only be consumed when pure and after seeking medical advice.

Disclaimer: This article, including health and fitness advice, only provides generic information. Don’t treat it as a substitute for qualified medical opinion. Always consult a specialist for specific health diagnosis.

Gursimran Kaur Banga is a Delhi-based content creator, editor and storyteller.
first published: Mar 18, 2026 02:07 pm

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