A few studies here, one was brought up in 2014.
5a-Reductase Type 1 (Avodart)
Deficiency or Inhibition
Predisposes to Insulin
Resistance, Hepatic Steatosis,
and Liver Fibrosis in Rodents
5α-Reductase inhibitors alter steroid metabolism and may contribute to insulin resistance, diabetes, metabolic syndrome and vascular disease: a medical hypothesis.
Changes of metabolic profile in men treated for androgenetic alopecia with 1 mg finasteride.
Incidence of type 2 diabetes mellitus in men receiving steroid 5α-reductase inhibitors: population based cohort study
Effect of finasteride on lipid profile in individuals with androgenetic alopecia
edits arent updating
Dual-5α-Reductase Inhibition Promotes Hepatic Lipid Accumulation in Man
https://academic.oup.com/jcem/article/101/1/103/2806602
Long-term treatment with finasteride induces apoptosis and pathological changes in female mice
https://journals.sagepub.com/doi/abs/10.1177/0960327119842195