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The Six Pillars of Health

Dr. Kyle Gillett's foundational framework: six lifestyle pillars, diet, exercise, sleep, stress, sunlight and spirit, that he argues are more powerful than any medication or supplement, with diet and exercise leading.

🏛️
MD, Family & Obesity Medicine
Not endorsed · Based on the published work of Kyle Gillett
Daily time
Ongoing
Steps
7
Difficulty
Beginner
Sources
3
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What it is

Before any hormone or supplement talk, Kyle Gillett (a physician dual board-certified in family and obesity medicine) anchors health on six lifestyle pillars: diet, exercise, sleep, stress optimization, sunlight, and spirit. He is clear that diet and exercise are the two most powerful, and that these foundations outperform any pill. His other key idea is the law of diminishing returns: a little, done consistently over years, beats a lot done briefly then abandoned. It is a deliberately unglamorous, foundations-first framework, with annual bloodwork to track how you are actually doing.

Why it works
Hormones and health are downstream of daily inputs, so the highest-leverage moves are lifestyle, not supplements. Resistance training and a sensible diet drive the largest effects on body composition, metabolic health and hormones; sleep and stress regulate cortisol and recovery; sunlight supports circadian rhythm, vitamin D and time outdoors; and a sense of purpose or spirit (which Gillett frames broadly, beyond any specific religion) ties mind and body together. Consistency over years is what compounds.
The evidence
Sources
Published work by Kyle Gillett, cited straight to the source: long-form episodes, clips, peer-reviewed papers and their own writing. Select any to view it here.
1
The 6 pillars of health: diet, exercise, sleep, stress, sunlight, spirit (Dr. Kyle Gillett)
Article
2
How to optimize your hormones for health & vitality (Huberman Lab with Dr. Kyle Gillett)
Video
3
Kyle Gillett, MD: hormones & holistic health habits (Rich Roll Podcast)
Article
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The protocol
Clinical strong human trials Mixed some or emerging evidence Commercial weak or unproven, sold widely Equipment / Test not an evidence claim How we grade →
Diet

Eat a whole-food diet that fits you

Individualised whole-food eating; for many, managing total intake and metabolic health matters most (not everyone needs to restrict)

Diet is one of the two most powerful pillars for hormones and health.

Dr. Kyle Gillett
For this step
No product needed
Exercise

Train, with resistance work as a priority

Regular exercise including resistance training; build strength and muscle as the foundation

Resistance training is especially powerful for hormone and metabolic health.

Dr. Kyle Gillett
For this step
No product needed
Sleep

Protect consistent, quality sleep

Regular schedule and good sleep habits; see the dedicated sleep protocols

Sleep underpins hormones, recovery and mitochondrial function.

Dr. Kyle Gillett
For this step
No product needed
Stress

Optimise (not eliminate) stress

Daily down-regulation and managing load; this governs cortisol and mental health

Chronic stress disrupts hormones and wellbeing.

Dr. Kyle Gillett
For this step
No product needed
Sunlight

Get outdoors and natural light

Daily outdoor light, especially earlier in the day; supports circadian rhythm and vitamin D

Light and time outdoors support sleep, mood and hormones.

Dr. Kyle Gillett
For this step
No product needed
Spirit

Cultivate purpose and meaning

A sense of purpose, connection or faith (framed broadly); whatever ties mind, body and community for you

Gillett considers purpose and meaning integral to whole-person health.

Dr. Kyle Gillett
For this step
No product needed
Measure and stay consistent

Track bloodwork; favour consistency

Consider annual bloodwork; remember a little done consistently beats a lot done briefly

Tracking guides adjustments, and consistency is what compounds.

Dr. Kyle Gillett
For this step
No product needed
Is this for you?
Good fit if
  • Anyone wanting a foundations-first framework
  • People tempted to chase supplements before basics
  • Those optimising hormones naturally
  • Anyone who values consistency over intensity
Cautions
  • These are general lifestyle foundations, not a substitute for medical care; bloodwork should be interpreted with a clinician, not self-diagnosed
  • Individualise it: not everyone needs caloric restriction, and the right diet and training vary by person
  • The 'spirit' pillar is framed broadly as purpose and meaning; take what fits your own life and beliefs
  • Educational only, not medical advice
Related protocols
Update history
  • 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, Family & Obesity Medicine.

The Six Pillars of Health
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