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    Research 10 of 1000+

    1. The 5 Alpha-Reductase Isozyme Family: A Review of Basic Biology and Their Role in Human Diseases Advances in Urology · 2011 · 218 citations
    2. Extensive Challenges and Pending Advances in the Study of 5-Alpha-Reductase Isoenzymes. A Literature Review Latin American Journal of Development · 2024
    3. The biochemical and phenotypic characterization of females homozygous for 5 alpha-reductase-2 deficiency. The Journal of Clinical Endocrinology & Metabolism · 1995 · 54 citations
    4. Immunolocalization of 5α-Reductase Isozymes in Acne Lesions and Normal Skin Archives of dermatology · 2000 · 45 citations
    5. Synthesis and Biological Evaluation of 4-(4-(Alkyl-and Phenylaminocarbonyl)benzoyl)benzoic Acid Derivatives as Non-steroidal Inhibitors of Steroid 5α-Reductase Isozymes 1 and 2 Archiv Der Pharmazie · 2002 · 8 citations
    6. Determination of the potency of a novel saw palmetto supercritical CO2 extract (SPSE) for 5α-reductase isoform II inhibition using a cell-free in vitro test system Research and reports in urology · 2016 · 3 citations
    7. Phytochemicals With Anti 5-alpha-reductase Activity: A Prospective For Prostate Cancer Treatment F1000Research · 2021
    8. 5 Alpha-reductase inhibitors: whatʼs new? Current opinion in urology · 2003 · 47 citations
    9. LY191704: a selective, nonsteroidal inhibitor of human steroid 5 alpha-reductase type 1. Proceedings of the National Academy of Sciences of the United States of America · 1993 · 53 citations
    10. Cloning, expression and characterization of rhesus macaque types 1 and 2 5alpha-Reductase: evidence for mechanism-Based inhibition by finasteride The Journal of Steroid Biochemistry and Molecular Biology · 1998 · 25 citations
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    Community 10 of 1000+

    1. 5 alpha reductase type 1 is in brain tissue producing the main endogenous gabaergic allopregnanolone, not 2. How can finasteride as a 5ar2 lower that? Reddit · 3 Oct 2024
    2. Which Saw Palmetto is good for blocking 5 alpha reductase, Serenoa repens or Chamaerops humilis? Reddit · 26 Jun 2020
    3. Does anyone know about the mechanism between creatine and 5-alpha reductase? Reddit · 25 Mar 2019
    4. Does caffeine inhibit 5-α-reductase? Reddit · 27 Dec 2019
    5. 1 year 5-ar. Blood test results Reddit · 29 Jul 2025
    6. 1 year of daily 0,5 mg Dutasteride Reddit · 24 Jun 2024
    7. Did anybody use beta sisterol for hair loss? I saw in many articles in the internet that said that beta sisterol blocks dht by inhibiting 5a reductase type 2 enzyme and some reviews of people who said that it worked better than saw palmetto in terms of stoping hair loss and helping prostate. Reddit · 11 May 2023
    8. Approximately 1 month on oral dut+ oral min Reddit · 16 Jun 2024
    9. If I can’t tolerate 5ari, should I try Pyrilutamide 1%? Reddit · 19 May 2025
    10. FINALLY stopped shedding constantly after 1 year on 5ar inhibitors!! Moral of the story: Just wait Reddit · 15 Oct 2024
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    Learn 6 of 24

    1. Dutasteride 5-alpha reductase inhibitor that blocks both enzyme types, a stronger DHT blocker than finasteride
    2. Finasteride Popular 5-alpha reductase inhibitor that lowers DHT, taken as a pill or used topically
    3. Saw Palmetto Palm-berry extract taken as a supplement
    4. Azelaic Acid Acid used in acne and rosacea creams
    5. Rosemary Herb whose oil is used in hair care
    6. Neem Oil Oil from the neem tree, used in traditional remedies
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