Hormone Optimization, the Clinical Way
Dr. Kyle Gillett's framework builds six foundations, diet, exercise, sleep, stress, sunlight and purpose, on comprehensive lab testing. That testing covers total and free testosterone, LH, FSH, estradiol, SHBG and thyroid. Rather than chasing a number with supplements, he finds and treats the root cause, often sleep or metabolic health, reserving medical therapy for genuine, monitored cases.
Dr. Kyle Gillett's approach is the clinical one. He frames hormone health around six pillars (diet, exercise, sleep, stress, sunlight and purpose) built on a foundation of comprehensive lab testing. Rather than chasing a number with supplements, he looks for the root cause of low testosterone, often sleep, body composition, metabolic health or medication, and treats that first. Medical therapy, including options that preserve fertility, is reserved for genuine, monitored cases.
Why it worksâ–¼
Build the six foundations
Gillett's six pillars come before any pharmacology. Most cases improve substantially when these are genuinely in place.
Get a comprehensive hormone panel
A broad panel distinguishes the cause: primary vs secondary, metabolic, thyroid, prolactin or lifestyle. You cannot treat what you have not measured.
Treat the underlying driver first
Often the fix is upstream: treating sleep apnea, improving metabolic health, or changing a medication can restore testosterone without hormones.
Use supplements only where indicated
Gillett uses targeted supplements to fill gaps, correct deficiencies, and manage stress, not as testosterone boosters in themselves.
Manage cortisol
Chronic stress and high cortisol suppress testosterone. Managing stress, sometimes with an adaptogen like ashwagandha, supports recovery.
Medical therapy when warranted, with fertility in mind
When hypogonadism is real and lifestyle is not enough, a specialist may treat it. Done properly, this includes protecting fertility rather than ignoring it. This is prescribed and monitored, never self-directed, and not sold here.
- Men who suspect genuinely low testosterone
- People who want a doctor's labs-first framework
- Anyone who wants the root cause found, not masked
- Those considering medical treatment who care about fertility
- This is a clinical framework, not a self-treatment plan. Hormone therapy and fertility-preserving medications are prescribed and monitored by a physician; we do not sell or dose them.
- Comprehensive testing should be interpreted by a clinician; patterns matter more than any single number.
- Supplements here correct deficiencies and manage stress; they are not testosterone boosters and are not a substitute for diagnosis.
- If you want to preserve fertility, raise it explicitly with your doctor before starting any hormone therapy.
- Educational only, not medical advice.
Can I raise testosterone with supplements alone?▾
What blood tests should I ask my doctor for?▾
Is TRT the first step for low testosterone?▾
Can I preserve fertility while on hormone therapy?▾
Does ashwagandha directly boost testosterone?▾
- July 9, 2026 Replaced a non-embeddable episode-page link with a direct YouTube video, added a verified Spotify episode and an Instagram post, and added inline safety notes.
- July 3, 2026 Protocol published.
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Not medical advice. This page is for education only and is not a substitute for professional medical care. Consult a qualified clinician before changing your health routine.
Independent curation. YourProtocol.ai is an independent platform. This protocol is based on the publicly available work of Kyle Gillett and is not created, reviewed, endorsed by, or affiliated with Kyle Gillett or MD · Gillett Health.