Gershtein and Dovedova 1999
Most fibroids stabilize or involute after menopause due to the steep decline in ovarian estrogen and progesterone
According to the authors, boosting GSH status beneficially upregulates the genes of VD metabolism and VDR, both of which are needed to increase the bioavailability and blood levels of 25(OH)VD and reduce inflammation levels. They also found that co-supplementation with vitamin D and L-cysteine resulted in the upregulation of vitamin D regulatory genes and boosted vitamin D levels in the blood, as well as reduced inflammation and insulin resistance each with higher success compared to supplementing with vitamin D alone
Furthermore, sex hormone disorders during the onset of GD are likely to affect the normal metabolism of sex hormones, which might lead to or aggravate the depressive state of GD patients
That is a genetic-knockdown study in mice, not a drug trial: it tells you the target is real and metabolically meaningful in an animal model, but it does not test a drug, a dose, or a route
Cignarelli, A