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    Glossary5α-reductase inhibitory activity

    blocks enzyme converting testosterone to hair-loss-linked DHT

    -reductase inhibitory activity refers to the ability of a substance to block the action of the enzyme -reductase. This enzyme converts testosterone into dihydrotestosterone (DHT), a hormone linked to hair loss and conditions like benign prostatic hyperplasia. By inhibiting -reductase, these substances can help reduce DHT levels, potentially preventing hair loss and treating related conditions.

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      learn Dutasteride

      Heavy duty finasteride that comes with higher risks, but scalp injections seem safe and are gaining popularity

      learn Cyproterone

      a synthetic anti-androgen and weak progestogen that inhibits DHT binding to androgen receptor

      learn RU58841

      a potent but unapproved and potentially problematic topical anti-androgen

      learn Clascoterone

      a novel topical treatment that inhibits DHT on androgen receptors

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      FCE 28260: A Forgotten 5α-Reductase Inhibitor

      community FCE 28260: A Forgotten -Reductase Inhibitor

      in Research  330 upvotes 1 year ago
      FCE 28260 (PNU 156765), an under-explored -reductase inhibitor, showcases promising results in research by Giudici et al., outperforming well-known treatments like Finasteride in reducing the conversion of testosterone to DHT. Its superior efficacy, demonstrated through lower IC50 values in both natural and human recombinant enzyme studies, suggests it could offer more effective management of DHT-related conditions. Additionally, its lower molecular weight hints at better potential for topical application, potentially offering advantages in treating conditions such as androgenic alopecia. Despite its potential, it has not advanced in development, possibly due to financial limitations, leaving its therapeutic prospects and side effect profile largely unexplored.

      community Sugar and Hair loss connections

      in Research/Science  41 upvotes 10 months ago
      High sugar diets may worsen hair loss by increasing -reductase activity and androgen levels, especially in women with PCOS. A low sugar diet might reduce scalp DHT levels, similar to finasteride, but genetics also significantly influence hair loss.

      community Blood DHT Levels – before and after creatine

      in Research/Science  41 upvotes 3 years ago
      The impact of creatine on DHT levels, and whether it could cause accelerated male pattern baldness (MPB). The user taking a 5 alpha reductase inhibitor found that their DHT levels actually reduced despite taking creatine for nine weeks. Replies suggested looking into testosterone levels as well and debating the safety of creatine use in relation to MPB.