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Additionally, ashwagandha is not recommended for people with thyroid disorders or taking thyroid medications, says Zumpano, as it may increase levels of the thyroid hormone.
In a 2019 study, participants who took 240 mg of ashwagandha extract daily for 60 days had significant reductions in their anxiety levels compared with those who received a placebo. 3. May aid sleep
Ashwagandha can impact thyroid hormones and immune function, so checking with a health care provider first is always wise, especially if you have underlying health concerns.”
Zinc may increase free T 3 levels. [100] A small pilot study found Ashwagandha Root may increase T 3 and T4 levels, however, there's a lack of strong evidence of this benefit and Ashwagandha has a potential to cause adrenal insufficiency. [100]
Withania somnifera, known commonly as ashwagandha, [2] [3] [4] is an evergreen shrub in the Solanaceae or nightshade family that grows in Nepal, India, the Middle East, and parts of Africa. Several other species in the genus Withania are morphologically similar.
After long-term heavy strain, levels of thyroid hormones decrease. [2] This is exacerbated by other stressors such as undernutrition and lack of sleep , such as in a military training setting. During endurance exercise, before exhaustion, elevated thyroid hormone levels may happen due to increased expected energy demand (type 2 allostatic load).
For instance, taking Ashwagandha daily for eight weeks resulted in a significant reducing in stress and cortisol levels, as well as improved sleep compared to a placebo group, according to one ...
The onset of TM requires toxic levels of the thyroxine hormone due to overproduction by the thyroid gland. Documented cases have only been diagnosed in conjunction with patients with hyperthyroidism. While hyperthyroidism is more common in women, the development of TM was more common among men with hyperthyroidism.