The status of retinoids in women suffering from hyper- and hypothyroidism: interrelationship between vitamin A, beta-carotene and thyroid hormones.

Retinoid status with reference to beta-carotene and retinol has been studied in women suffering from hyper- and hypothyroid conditions. The interrelationship between the retinoids and triiodothyronine and thyroxine hormones has been established from the cases mentioned after estimation of the respective compounds from the blood serum. It has been found that there is an increase in beta-carotene and retinol in the hypothyroid and a decrease of the same in the hyperthyroid conditions respectively.