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research Testosterone 5.ALPHA.-Reductase Inhibitory Active Constituents of Piper nigrum Leaf

44 citations , January 2007 in “Biological & pharmaceutical bulletin”

This study found that Piper nigrum leaf extract showed in vivo anti-androgenic activity and potent 5α-reductase inhibitory effects, with piperine and (−)-cubebin identified as active components.

Anti-Androgenic and Hair Growth Promoting Activities of Lygodii Spora (Spore of Lygodium Japonicum): Active Constituents Inhibiting Testosterone 5α-Reductase

research Anti-androgenic and Hair Growth Promoting Activities of Lygodii Spora (Spore of Lygodium japonicum) I. Active Constituents Inhibiting Testosterone 5.ALPHA.-Reductase.

38 citations , January 2002 in “Biological & Pharmaceutical Bulletin”

This study reported that the aqueous ethanol extract of Lygodii Spora demonstrated in vitro testosterone 5alpha-reductase inhibition and in vivo anti-androgenic activity, potentially due to oleic, linoleic, and palmitic acids.

research Sexual dimorphism of growth plate prehypertrophic and hypertrophic chondrocytes in response to testosterone requires metabolism to dihydrotestosterone (DHT) by steroid 5‐alpha reductase type 1

27 citations , February 2005 in “Journal of Cellular Biochemistry”

This study found that rat male costochondral chondrocytes, unlike female chondrocytes, respond to testosterone through metabolism to dihydrotestosterone, which shows a maturation-state dependent effect in male growth plate cells.

Changes in Serum Free Testosterone, Sleep Patterns, and 5-Alpha-Reductase Type I Activity Influence Sebum Excretion in Female Subjects

research Changes in serum free testosterone, sleep patterns, and 5‐alpha‐reductase type I activity influence changes in sebum excretion in female subjects

10 citations , August 2014 in “Skin research and technology”

This study found that variations in sleep patterns, free testosterone, and 5-alpha-reductase type 1 activity are associated with changes in sebum excretion in women, which may contribute to variability in acne studies.

The Effect of Finasteride, a 5 Alpha-Reductase Inhibitor, on Scalp Skin Testosterone and Dihydrotestosterone Concentrations in Patients with Male Pattern Baldness

research The effect of finasteride, a 5 alpha-reductase inhibitor, on scalp skin testosterone and dihydrotestosterone concentrations in patients with male pattern baldness.

59 citations , September 1994 in “The Journal of Clinical Endocrinology and Metabolism”

This study found that 4 weeks of finasteride treatment significantly decreased DHT levels in bald scalp to levels similar to hair-containing scalp in men with male pattern baldness.

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community 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?

27 upvotes 1 year ago

Finasteride and dutasteride are discussed for hair loss, with concerns about their effects on neurosteroids and potential side effects like depression. Alternatives like topical estrogen and lifestyle changes are considered, with varying opinions on mental health and hair regrowth.

community 17-alpha-estradiol/Alfatradiol how does it Work for Hair loss?

2 upvotes 1 year ago

17-alpha-estradiol may work for hair loss by inhibiting 5-alpha reductase, similar to finasteride. It might lower testosterone in the scalp, reducing DHT conversion.

community Creatine and Weird Conclusion in a Study?

4 upvotes 2 years ago

Creatine may temporarily increase testosterone but likely has minimal impact on hair loss, especially when using 5-alpha reductase inhibitors like finasteride. Some users stopped creatine due to hair loss concerns, but results are unclear due to concurrent use of treatments like topical finasteride and microneedling.

community 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.

in Research/Science 9 upvotes 3 years ago

Beta-sitosterol may inhibit 5-alpha reductase type 2 enzyme, potentially reducing DHT levels and promoting hair growth, similar to finasteride but possibly with fewer side effects. Its effectiveness and side effects compared to other treatments like saw palmetto and finasteride remain uncertain due to limited research.

community We need actual hair loss studies on Epristeride

in Research/Science 6 upvotes 1 year ago

Epristeride is a selective 5 alpha reductase type 2 inhibitor that may reduce scalp DHT similarly to finasteride, with potentially fewer side effects. It is suggested that combining epristeride with finasteride or dutasteride could enhance hair loss treatment effectiveness.

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6 / 12 results

learn Finasteride

Frontline, gold standard treatment for combatting androgenic alopecia

learn Saw Palmetto

a natural and far less effective alternative to Finasteride

learn Azelaic Acid

acid used for antimicrobial, anti-inflammatory and anti-androgenic properties

learn Rosemary

herb and oil with stimulant, circulatory, anti-inflammatory and antioxidant properties

learn Osteopontin

signaling protein that, when suppressed, may grow hair by reducing inflammation and stem cell loss

learn Bicalutamide

Could bicalutamide help trans women regrow hair lost to testosterone? No study has tested bicalutamide for hair regrowth in trans women. In cisgender women the only randomized trial found it added nothing to minoxidil, and it is an off-label prescription drug that requires liver monitoring.

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