Bryan Johnson· Author
SHBG was 76 and Free Testosterone Index is age 40 equivalent. I have no symptoms of low T and muscle mass is in 99th percentile).
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
SHBG was 76 and Free Testosterone Index is age 40 equivalent. I have no symptoms of low T and muscle mass is in 99th percentile).
Every Sunday: the week’s new conflicts and verdict changes — and nothing else.
Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
Full hormone panel: FSH, LH, Testosterone (free and total), SHBG, estradiol, and prolactin.
I've lowered my testosterone to one 4 mg patch a week