Everything here reduces to a sequence: get an honest diagnosis, fix the reversible causes, optimise the free levers, and only then treat medically if it's still needed — matching the treatment to your fertility plans, always with a clinician for anything prescription.
If you're carrying excess fat, under-sleeping, or drinking heavily, start there — fat loss, 7–9 hours of sleep, and less alcohol are the biggest, best-evidenced levers, and often enough on their own to restore a suppressed axis. Correct a vitamin D or zinc deficiency if you have one. Give it a few months and retest properly before concluding anything.
If testosterone is unequivocally low on repeat morning testing, with matching symptoms, and the reversible causes are addressed, it's reasonable to discuss treatment. The fork is fertility: TRT for men who are done having children (or willing to bank sperm and pause), and clomiphene/enclomiphene or hCG for men who want to preserve fertility. The right choice depends on your goals, not a default.
Test properly (two morning draws + LH/FSH) → find and fix the cause → optimise the lifestyle levers → retest → if still low and symptomatic, treat medically with the option that fits your fertility plans, monitored on schedule. The order is the point: skipping to a prescription (or a supplement stack) without the first steps is how men end up over-treated, under-diagnosed, or infertile by surprise. Never self-source hormones.
Order matters
Causes and lifestyle first, then the right treatment for your goals. Most men with low-ish testosterone and something to fix will get meaningful gains from the foundation alone — and the ones who still need treatment will make a far better decision for having done it in the right order.
The Testosterone Guide