Testosterone & Longevity
More than a muscle hormone
Testosterone protects bones, brain, and cardiovascular health. Low T is linked to depression, metabolic syndrome, and increased mortality in both sexes.
Natural testosterone boosters
Swipe left for EVIDENCE-BASED, right for MYTH.
Sleep is testosterone's best friend
Sleeping only 5 hours reduces testosterone by 10-15%. One study showed that men sleeping 4 hours had testosterone levels of a man 15 years older.
Total T is the wrong test
Total testosterone misses the picture. Free testosterone — the unbound, biologically active fraction — and SHBG (the binding protein) tell you what's actually reaching your tissues. Always draw between 7-9am, fasted; T peaks then and declines through the day.
Compare a high-T day vs low-T day
Two men, both 45, same total testosterone on paper. Look at what's actually different.
Key Takeaway
Lift heavy, sleep deep, manage stress, and maintain healthy body fat. These four habits preserve testosterone better than any supplement.