14 citations
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September 2017 in “General and comparative endocrinology”
Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.
L-arginine may worsen hair loss by potentially increasing testosterone levels, especially in those with a DHT-sensitive gene. Users discuss the effects of increased nitric oxide on hair loss and consider stopping supplements like zinc and l-arginine to see if hair conditions improve.
Creatine may increase DHT levels, potentially affecting hair loss in some individuals, but opinions vary. Some users report hair loss while on creatine, while others see no effect, especially when using treatments like finasteride, minoxidil, and microneedling.
The conversation discusses the use of topical minoxidil for hair loss and the potential benefits of taking a Minoxidil Response Test to determine enzyme activity related to its effectiveness. Some users have considered or tried alternatives like oral minoxidil or tretinoin, with mixed experiences regarding side effects and effectiveness.
Dutasteride raises scalp testosterone by 99%, which may not be ideal for those sensitive to all androgens. Some argue finasteride's balancing act might be better, while others believe dutasteride is superior for hair regrowth.