36 citations
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November 2020 in “Journal of The European Academy of Dermatology and Venereology” 5-alpha-reductase inhibitors may reduce COVID-19 symptoms in bald males.
35 citations
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June 2018 in “Urology” The review suggests younger men taking 1 mg finasteride report more side effects, including sexual, skin, metabolic, and psychological issues.
35 citations
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April 2013 in “Sexual medicine reviews” 5-alpha reductase inhibitors slightly increase the risk of sexual and mood side effects, and breast growth in men.
34 citations
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February 1992 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride and minoxidil together promote hair growth better than either alone.
33 citations
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January 2016 in “Skin appendage disorders” The document concludes that sexual and psychiatric side effects from 5-alpha-reductase inhibitors are reported, but more high-quality research is needed to understand how often they occur.
29 citations
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July 2012 in “The Journal of Sexual Medicine” Rats had lasting erectile problems after stopping a certain medication.
22 citations
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September 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces dihydrotestosterone, increases testosterone, and may treat hirsutism in women.
19 citations
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April 2020 in “Dermatologic Therapy” Dutasteride works better than finasteride for hair loss, with both being safe to use.
19 citations
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October 2018 in “PLOS ONE” 5 alpha-reductase inhibitors can slightly improve symptoms of enlarged prostate but have a high risk of sexual side effects.
17 citations
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December 2018 in “The World Journal of Men s Health” Long-term use of dutasteride can cause permanent erectile dysfunction in rats.
15 citations
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January 2017 in “Experimental Neurology” Finasteride reduces movement issues in Parkinson's disease rats.
15 citations
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January 1998 in “Journal of Clinical Periodontology” Finasteride helps treat hair loss by blocking enzyme activity.
15 citations
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June 1995 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride doesn't affect erections much, but may decrease libido in men.
14 citations
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April 2021 in “Biology” Thai rice bran extracts, especially from Tubtim Chumphae rice, can significantly reduce the activity of hair loss genes, with x-tocopherol showing potential as an anti-hair loss product.
13 citations
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November 2019 in “Scientific reports” Certain drugs change freshwater snail shells to a "banana" shape.
12 citations
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March 1995 in “Journal of the American Chemical Society” Finasteride modifies 5-alpha-reductases through a two-step process, affecting inhibitor potency and possibly causing side effects.
11 citations
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May 1996 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” The main enzyme found in pubic skin that could be targeted to treat excessive hair growth is 5 alpha-R2.
3 citations
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April 2021 in “Journal of Medicinal Chemistry” Finasteride may affect PNMT, causing side effects.
2 citations
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January 2025 in “Frontiers in Pharmacology” Purple corn extract may help reduce prostate enlargement and inflammation.
2 citations
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May 2019 in “PubMed” Oral finasteride and dutasteride may negatively affect erectile function in rats.
2 citations
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March 2018 in “Current Opinion in Urology” 5-alpha reductase inhibitors can cause sexual, neurologic, endocrine, and cardiovascular side effects, but these are rare and usually stop after ending treatment.
1 citations
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February 2024 in “Pharmacognosy Journal” Fenugreek seed extract boosts testosterone and improves male reproductive health without heart side effects.
1 citations
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April 2019 in “Clinical Breast Cancer” Medicines for enlarged prostate may raise the risk of breast growth and tenderness but not breast cancer.
1 citations
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September 2016 in “Actas Dermo-Sifiliográficas” 5-alpha reductase inhibitors may cause sexual side effects, breast complications, and other health risks in men with hair loss.
1 citations
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November 2015 in “Cochrane library” 5-alpha-reductase inhibitors help treat urinary symptoms from an enlarged prostate.
January 2026 in “Yonsei Medical Journal” Finasteride and dutasteride have little effect on Type 2 Diabetes risk.
63 citations
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November 1999 in “British journal of dermatology/British journal of dermatology, Supplement” Hair sensitivity to androgens is partly controlled by specific enzyme expressions in different hair areas.
53 citations
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June 1993 in “Proceedings of the National Academy of Sciences of the United States of America” LY191704 is a compound that effectively blocks a specific enzyme involved in hormone conversion and could help treat enlarged prostate and hair loss.
37 citations
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September 2018 in “Psychoneuroendocrinology” Finasteride treatment in male rats causes long-lasting effects on depression-like behavior, brain cell growth, inflammation, and gut bacteria composition.
17 citations
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October 2003 in “Brazilian Journal of Medical and Biological Research” The gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.