Vitamin A Improves Thyroid Function in Premenopausal Women
Written by Greg Arnold, DC, CSCS. In this study of 84 healthy premenopausal women (aged 17 – 50), those who took 25000 IU of Vitamin A daily for 4 months decreased their thyroid stimulating hormones to normal levels compared to placebo. Researchers suggested that Vitamin A is effective in correcting mild thyroid abnormalities.