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GlossaryFree Testosterone

unbound testosterone available for immediate use by tissues

Free Testosterone refers to the fraction of testosterone in the bloodstream that is not bound to proteins like sex hormone-binding globulin (SHBG) or albumin. This unbound testosterone is biologically active and readily available for tissues to use, playing a crucial role in various bodily functions such as muscle growth, mood regulation, and sexual health.

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community Very high free testosterone on dut…

in Treatment 8 upvotes 4 months ago

The user has high free testosterone and is still experiencing hair loss despite taking dutasteride and oral minoxidil for over three years. They are considering adding a topical anti-androgen like RU58841.

community Does finasteride decrease free testosterone?

in Research/Science 186 upvotes 1 year ago

Finasteride may decrease free testosterone by increasing SHBG, potentially causing side effects like reduced libido and hormonal changes. Some find it effective for hair loss, while others experience negative effects.

community Apparently finasteride lowers Free Testosterone?

in Finasteride 22 upvotes 7 years ago

Finasteride raises total testosterone but lowers free testosterone, which is important for male health. Users report mixed experiences with their fitness levels and blood test results after using finasteride.

community Is it a lot of free testosterone?

in Finasteride/Dutasteride 4 upvotes 1 year ago

The conversation discusses hair loss and the impact of testosterone and DHT levels, with suggestions to monitor these levels and consider vitamin D supplementation. Treatments mentioned include finasteride and possibly minoxidil.

community 13 Years Finasteride, Switched to Dutasteride - 25% increase in Total Testosterone (expected) but 150% increase in Free Testosterone?

in Finasteride/Dutasteride 25 upvotes 8 months ago

After switching from finasteride to dutasteride, the user experienced a 25% increase in total testosterone and a 150% increase in free testosterone, with side effects like brain fog and nipple tingling. The user plans to consult a lab for accuracy and adjust the dutasteride dosage to manage side effects.

community Thoughts on Pre-Finasteride Bloodwork? Normal/high Total and Free Testosterone, Low DHEA-S?

in Finasteride/Dutasteride 4 upvotes 3 years ago

A 23-year-old male is considering starting Finasteride for hair loss after experiencing persistent shedding and hairline recession, with bloodwork showing normal testosterone levels but low DHEA-S and Vitamin D. He plans to discuss DHEA supplementation with his doctor and has already started Vitamin D supplementation.

community Very low free test from 3 months of finasteride?

in Finasteride/Dutasteride 1 upvotes 1 year ago

A user experienced decreased free testosterone levels after three months of using finasteride, despite positive results in hair shedding reduction. They are considering switching to topical finasteride and plan to conduct further blood tests, including checking SHBG levels, to understand the hormonal changes.

community What happens to the excess testosterone after using dut?

in Finasteride/Dutasteride 23 upvotes 1 year ago

Using dutasteride or finasteride can increase free testosterone, which may convert to estradiol, potentially causing side effects like increased estrogen levels. Individual responses vary, and some users report changes in cholesterol, hair texture, and side effects like gyno or increased sex drive.

community Hair regrow idea: High dose Testosterone + RU58841

in Satire 2 upvotes 1 month ago

Using high doses of testosterone with RU58841 to create an androgen-free environment for hair regrowth is suggested, but concerns about heart health and the effectiveness of this approach are raised. Alternatives like topical estrogen, progesterone, and other treatments like finasteride and dutasteride are discussed.

community What hormones/vitamins should I test for?

in General 51 upvotes 11 months ago

The user plans to test for DHT, total testosterone, free testosterone, E2, SHBG, and prolactin while supplementing with vitamin D and monitoring ferritin levels. They are experiencing hairline thinning and are seeking advice on whether their approach is excessive or lacking.

community Just got some test results back.

in Finasteride/Dutasteride 5 upvotes 6 years ago

The user received hormone test results showing normal estradiol and testosterone levels, low SHBG, and normal free androgen index. They are considering starting finasteride but are concerned due to being slightly overweight.

community Blood work results in. Can I start finasteride?

in Finasteride/Dutasteride 1 upvotes 1 year ago

The conversation is about starting finasteride for hair loss, with concerns about high free testosterone and potential side effects like gynecomastia. The user plans to address vitamin deficiencies before beginning the treatment.

community Prolonged shedding over last 15 months

in Update 2 upvotes 4 months ago

The user has been experiencing prolonged hair shedding despite using Dutasteride, Minoxidil, and topical Finasteride, with blood tests showing high free testosterone and low SHBG. Suggestions include adjusting Minoxidil dosage, considering topical anti-androgens like RU58841, and addressing metabolic factors to increase SHBG.

community My (30 M) blood test results after being on fin/dut for 3 years

in Finasteride/Dutasteride 19 upvotes 8 months ago

A 30-year-old male has been on finasteride/dutasteride for 3 years, with stable but still receding hairline, and blood tests showing high total testosterone but normal DHT and free testosterone levels. Despite challenges in gaining muscle, he maintains a good physique with a consistent lifting routine and recently improved results with creatine.

community Where to get a blood test uk before starting dutasteride ?

in Finasteride/Dutasteride 1 upvotes 1 year ago

A user in England seeks advice on where to get a custom blood test for DHT, PRL, estradiol, SHBG, testosterone, and free testosterone before starting dutasteride. They want a baseline measurement before beginning treatment.

community Should I start fin with these blood tests?

in Finasteride/Dutasteride 2 years ago

A 25-year-old male is concerned about his blood test results, particularly the low percentage of free testosterone, and is questioning whether starting finasteride for hair loss might worsen this issue. He also notes a slight vitamin D deficiency and lack of sleep before the test.

community 26M Baseline blood work done before Finasteride

in Finasteride/Dutasteride 8 upvotes 4 years ago

A person considering finasteride for hair loss checked their hormone levels before starting treatment. They are concerned about the potential increase in estradiol and its effects, as well as the impact on their sex hormone-binding globulin (SHBG) and free testosterone levels.

community High testosterone and diffuse hairloss

in Treatment 6 upvotes 5 years ago

The user is experiencing diffuse hair loss due to high testosterone levels and has tried various treatments including finasteride, minoxidil, nanoxidil, keto/caffeine shampoo, dermarolling, and RU-58841 with limited success. They are seeking advice on safely lowering testosterone levels to manage hair loss.

community High testosterone on 4 months dut, rapidly receding but no actually shed

in Finasteride/Dutasteride 21 upvotes 1 year ago

The user added 0.5mg dutasteride to their regimen of topical finasteride and minoxidil but experienced rapid hairline recession despite reduced hair fall. Suggestions included increasing the dutasteride dosage to 1mg daily to better suppress DHT and potentially adding oral minoxidil.

community Low testosterone and dht. What should I do?

in Finasteride/Dutasteride 8 upvotes 2 years ago

The user has low testosterone and DHT levels and is considering taking finasteride for Norwood 2 hair loss with diffuse thinning. They are seeking advice on whether low DHT indicates high sensitivity to DHT in the scalp and opinions on their lab values.

community Ray Peat: Testosterone Isn’t the Culprit, Prolactin and Cortisol Drive Hair Loss (2016)

in Research/Science 110 upvotes 8 months ago

Prolactin and cortisol are identified as key factors in hair loss, with stress hormones impacting hair shedding. Finasteride and minoxidil are effective treatments, while DHT's role and individual sensitivity are significant factors.

community Should I Start Finasteride at 322 ng/dL Testosterone in Mid-Twenties with Norwood 3?

in General 99 upvotes 5 months ago

A user with low-normal testosterone levels is considering starting finasteride and minoxidil for hair loss but is concerned about hormone imbalance. They are advised that finasteride targets DHT, not testosterone, and could start with minoxidil while making lifestyle changes to naturally increase testosterone.

community Finasteride doubled my testosterone & estrogen

in Chat 265 upvotes 7 months ago

Finasteride increased testosterone and estrogen, stopped hair loss, and promoted regrowth. Users discussed side effects like libido changes and considered adding minoxidil and aromatase inhibitors.

community Testosterone's Role In Androgenetic Alopecia

in Research/Science 1 year ago

DHT is essential for androgenetic alopecia, not testosterone. Treatments like finasteride and dutasteride reduce DHT, halting hair loss.

community Testosterone is 1600, would taking low dose anti-androgens be a viable treatment option for people who’s T spikes on DHT-blockers?

in Treatment 46 upvotes 2 years ago

The post and conversation are about the user's high testosterone levels and their worsening hair loss despite trying various treatments. They are considering using low doses of anti-androgens to lower their testosterone levels as a potential solution.

community Testosterone plummet after starting fin

in Finasteride/Dutasteride 14 upvotes 1 month ago

Finasteride is unlikely to cause a drop in testosterone; it typically increases it by preventing conversion to DHT. The testosterone level drop is likely due to timing of injections or other factors, not finasteride.

community Testosterone and Estradiol levels on 1 mg/day dutasteride

in Finasteride/Dutasteride 43 upvotes 8 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 Testosterone before and after take fin/dut

in Finasteride/Dutasteride 239 upvotes 3 years ago

User experienced 100% testosterone increase after using Finasteride and Dutasteride for hair loss. Some users discuss potential side effects and reasons for the increase.

community My Testosterone results before and after Finasteride

in Update 147 upvotes 4 years ago

Finasteride significantly increased testosterone levels for the user, with no major side effects except watery semen, which was resolved with zinc supplements. The user's hairline stopped receding and slightly improved.

community My Testosterone is less than 1/3rd In 7 Months since I took Finasteride!

in Finasteride/Dutasteride 117 upvotes 3 years ago

A user experienced a significant drop in testosterone levels after taking finasteride, leading to side effects like low libido and muscle mass loss. Despite its effectiveness for hair, the user decided to stop finasteride due to its impact on hormones, preferring to be bald.