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Glossary Testosterone Levels

measure of testosterone concentration in the bloodstream

Testosterone levels refer to the concentration of testosterone, a key male sex hormone, in the bloodstream. These levels can influence various bodily functions, including muscle mass, bone density, and hair growth. Abnormal testosterone levels, whether too high or too low, can lead to health issues such as alopecia, infertility, and mood disorders. Measurement of testosterone levels is often done through blood tests to diagnose and manage conditions related to hormonal imbalances.

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Research

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research Testosterone levels in healthy men and the relation to behavioural and physical characteristics: facts and constructs

229 citations , March 2001 in “European journal of endocrinology”

This review discusses the complex relationship between testosterone levels and male appearance and behavior, emphasizing the limitations and potential biases in making generalizations from current data.

research Hair removal in hirsute women with normal testosterone levels: a randomized controlled trial of long-pulsed diode laser vs. intense pulsed light

41 citations , September 2010 in “British journal of dermatology/British journal of dermatology, Supplement”

In this study, hirsute women with normal or medically normalized testosterone levels experienced similar, though declining, hair reduction from both intense pulsed light and long-pulsed diode laser treatments over six months.

research Testosterone levels in relation to oral contraceptive use and the androgen receptor CAG and GGC length polymorphisms in healthy young women

25 citations , August 2006 in “Human Reproduction”

This study found that the GGC repeat length significantly influenced testosterone levels in oral contraceptive users from high-risk breast cancer families, and homozygosity for short alleles may be linked to increased breast cancer risk.

research Persistent Poor Metabolic Profile in Postmenopausal Women With Ovarian Hyperandrogenism After Testosterone Level Normalization

8 citations , April 2019 in “Journal of the Endocrine Society”

In this study, long-term normalization of testosterone levels in postmenopausal women with hyperandrogenism did not improve body mass index, glucose, or lipid metabolism.

research Modification of testosterone levels with Piptadeniastrum africanum and Cordia plathytyrsa may influence metabolic parameters in Wistar rats

July 2022 in “Zenodo (CERN European Organization for Nuclear Research)”

In this animal study, methanolic extract of *Cordia plathytyrsa* increased testosterone synthesis in male rats but had limited effects on metabolic parameters, while *Piptadeniastrum africanum* raised triglycerides and both extracts did not cause oxidative stress.

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Community Join

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community Testosterone and Estradiol levels on 1 mg/day dutasteride

43 upvotes 11 months ago

A 30-year-old man experienced significant hair regrowth and improved libido after using finasteride and dutasteride for androgenetic alopecia, with no adverse effects. He plans to reduce dutasteride dosage when trying to conceive and has been using topical minoxidil since 2015.

community My DHT levels on 1400mg testosterone per week and 0.5mg dutasteride daily

346 upvotes 3 months ago

A bodybuilder uses 1400mg testosterone weekly, 400mg equipoise, and GH, with 0.5mg dutasteride daily to stabilize hair loss and manage DHT levels. The user reports no side effects from dutasteride and finds it effective, while also discussing costs and effectiveness of other treatments like RU58841 and minoxidil.

community Is it uncommon to not test for testosterone levels before taking fin?

12 upvotes 2 years ago

Doctors often prescribe finasteride for hair loss without testing testosterone levels. There is no need for such tests before starting the medication.

community Gyno & testoterone level

in Finasteride 282 upvotes 2 years ago

Switching from finasteride to dutasteride and back to finasteride led to gynecomastia and fatigue, likely due to hormonal imbalances. Suggested treatments include Tamoxifen, Raloxifene, or low-dose Anastrozole, with a recommendation to test testosterone and estradiol levels.

community Estradiol (E2), Testosterone and DHT levels after 1 month on Dutasteride

in Research/Science 11 upvotes 1 year ago

Dutasteride and finasteride are used for hair loss, affecting hormone levels like DHT and testosterone. Hormone balance is crucial, as changes can lead to side effects such as increased estradiol and potential hair loss.

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Learn

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learn Cyproterone

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

learn Finasteride

Popular 5-alpha reductase inhibitor that lowers DHT, taken as a pill or used topically

learn Dutasteride

5-alpha reductase inhibitor that blocks both enzyme types, a stronger DHT blocker than finasteride

learn GT20029

Experimental topical drug designed to break down androgen receptors

learn Saw Palmetto

Palm-berry extract taken as a supplement

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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