In plain words
What's usually going on
From your late thirties muscle slowly gives way to fat, sleep gets shorter, stress gets quieter and appetite shifts. None of it is a character flaw, and none of it is fixed by being told to try harder.
Some men will do well with changes to food, movement and sleep. For others, treatment prescribed and monitored by a clinician is the right next step. The honest answer depends on you.
Wording under reviewClinician sign-off before publishing.
What Zett will offer
When we open, all of this happens online.
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PORTRAIT
Clinically reviewed by
Dr Placeholder Name · GP, Zett clinical lead
GMC number 0000000 · Reviewed on 26 October 2026
Short bio placeholder: a UK-registered GP with a special interest in men's health, who reviews every health page before it is published and again at least once a year.