Dr Jess says: Ashwagandha root, Latin name Withania somnifera, is a wonderful, rejuvenating Ayurvedic herb.

Safe, gentle and powerful, it is now one of the most commonly used herbs by medical herbalists. Why? Because, like us, they find that it works! I find it a wonderful restorative and strengthener and have seen its benefit in hypothyroid patients. In my experience it works slowly over weeks to months and is best taken daily. 

ashwagandha is used as a strengthening tonic in Ayurvedic medicine for fatigue, fertility, debility and longevity

Dubbed the ‘Indian ginseng’, it is a powerful herb that supports your energy and health, especially when feeling burnt out and exhausted after illness. Its use for these symptoms has been supported in small trials, including a recent study on breast cancer patients who were suffering with fatigue during chemotherapy. Withania somnifera (Ashwagandha root) was given every eight hours throughout chemotherapy treatments, and significantly improved energy and reduced side effects.1 It is also an excellent supportive herb for an underactive thyroid, hypothyroidism (which causes fatigue) particularly if symptoms are in their early stages.2 

it is traditionally used for nervous exhaustion and overstimulation

In Ayurvedic medicine, ashwagandha is considered a tonic for nourishing and strengthening and as a sedative to calm. It’s considered to be a herb which nourishes an exhausted nervous system (adrenal fatigue) and symptoms such as agitation, irritability or feeling stressed and over-emotional. Traditionally thought to be heating and sweet, nourishing the blood, muscle, bones, nerves and the reproductive organs, ashwagandha has been used in India as a traditional herb for pregnancy, to strengthen the uterus and…


  1. Effect of Withania somnifera (Ashwagandha) on the development of chemotherapy-induced fatigue and quality of life in breast cancer patients
  2. Sharma AK, Basu I, Singh S. Efficacy and Safety of Ashwagandha Root Extract in Subclinical Hypothyroid Patients: A Double-Blind, Randomized Placebo-Controlled Trial. J Altern Complement Med. 2018 Mar;24(3):243-248. doi: 10.1089/acm.2017.0183. Epub 2017 Aug 22. PMID: 28829155.