conducted a clinical study examining co‐supplementation effects on PCOS patients, revealing that a 12‐week co‐administration of vitamin D (50,000 IU/per two weeks) and probiotics (8 × 109 CFU/day) had positive effects on serum total testosterone, Hs‐CRP, TAC, and MDA levels (Ostadmohammadi et al. 2019). The gene discussed is MAP3K14; the disease is polycystic ovary syndrome.