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    Glossary Free 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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    1. Very high free testosterone on dut… Reddit · 23 Feb 2026
    2. 13 Years Finasteride, Switched to Dutasteride - 25% increase in Total Testosterone (expected) but 150% increase in Free Testosterone? Reddit · 30 Sept 2025
    3. Does finasteride decrease free testosterone? Reddit · 27 Dec 2024
    4. Is it a lot of free testosterone? Reddit · 24 Sept 2024
    5. Thoughts on Pre-Finasteride Bloodwork? Normal/high Total and Free Testosterone, Low DHEA-S? Reddit · 8 Jul 2022
    6. Very low free test from 3 months of finasteride? Reddit · 20 Jun 2025
    7. Hair regrow idea: High dose Testosterone + RU58841 Reddit · 3 May 2026
    8. Titanium Dioxide Free Finasteride Reddit · 23 Dec 2023
    9. Finasteride Doubled my Total & Free Test but also my Estradiol - 8 months in Reddit · 28 Jul 2026
    10. Hormone test results - anybody else have similar with fin/dut Reddit · 4 Jul 2026
    11. Prolonged shedding over last 15 months Reddit · 30 Jan 2026
    12. Blood work results in. Can I start finasteride? Reddit · 12 Oct 2024
    13. Where to get a blood test uk before starting dutasteride ? Reddit · 3 Aug 2024
    14. Has anyone seen any benefit upgrading from fin to dut? Reddit · 29 Jul 2024
    15. Just found a little hard lump under my left nipple, it’s over Reddit · 14 Jul 2024
    16. 9 months on dut. Loosing ground with 150-250+ hairs everyday. Reddit · 12 Jul 2024
    17. Blood test 3 days after finasteride. Is it ok? Reddit · 30 May 2024
    18. We are manipulating our hormones, surely it's prudent to track bloodwork ? Reddit · 19 Apr 2024
    19. Should I start fin with these blood tests? Reddit · 25 Nov 2023
    20. Anyone have experience with natural DHT blockers? Reddit · 18 Nov 2023
    21. What hormones should I have tested at a minimum before starting a DHT blocker or anti-androgen? Reddit · 14 Nov 2023
    22. Should I start Fin with these blood tests? Reddit · 23 Jul 2023
    23. Blood work after one year of fin/dut Reddit · 25 Nov 2022
    24. Guide To Finasteride and Avoiding Side Effects Reddit · 5 Aug 2022
    25. My blood tests pre-fin (excluding DHT) Reddit · 13 Jun 2022
    26. Got Blood Work Lab Results for hormones. Need some help analyzing hormone values for Fin Reddit · 19 Apr 2022
    27. How many guys on here are doing the low dose topical finasteride (solo without minox)? Reddit · 6 Jan 2022
    28. Derma refused to prescribe finasteride and even tried to scare me about it. Reddit · 10 Nov 2021
    29. Which labs / blood baseline markers to check before beginning treatment? Reddit · 16 Oct 2021
    30. Man, am I glad I'm on Finasteride. I recently hit my two year mark and I'm feeling fortunate. My story! Reddit · 8 Jul 2021